Page 1 HP Compaq dc7700 Business PC 1st Edition This document provides information on the removal and replacement of all parts as well as information on troubleshooting, Desktop Management, setup utilities, PATA and SATA drives, safety, routine care, connector pin assignments, POST error messages, and diagnostic indicator lights.
Page 3 Service Reference Guide HP Compaq dc7700 Business PC dc7700 1st Edition Document Part Number: 433612-001 September 2006...
Page 4 CAUTION: Text set off in this manner indicates that failure to follow directions could result in damage to Ä equipment or loss of information. Service Reference Guide HP Compaq dc7700 Business PC First Edition (September 2006) Document Part Number: 433612-001...
Page 5: Table Of Contents
Contents 1 Installing the Operating System 1.1 Installing or Upgrading Device Drivers ......... . . 1–1 1.2 Transferring Files and Settings .
Page 6 Contents 3.4 ROM Flash ..............3–9 3.4.1 Remote ROM Flash .
Page 7 Contents 5.5 Service Considerations ............5–7 5.5.1 Power Supply Fan .
Page 8 Contents 7 Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.1 Preparation for Disassembly ........... . 7–1 7.2 Unlocking the Smart Cover Lock .
Page 9 Contents 8.7 Chassis Fan ..............8–9 8.8 Speaker .
Page 10 Contents viii 433612-001 Service Reference Guide, dc7700...
Page 11: Installing The Operating System
Installing the Operating System CAUTION: Do not add optional hardware or third-party devices to your computer until the operating Ä system is successfully installed. Doing so may cause errors and may prevent the operating system from installing properly. Once the automatic installation has begun, DO NOT TURN OFF THE COMPUTER UNTIL THE PROCESS IS COMPLETE.
Page 12: Transferring Files And Settings
Installing the Operating System Transferring Files and Settings Use the Microsoft Windows XP Files and Settings Transfer Wizard to move files and settings from an old computer to a new one. Click Start > All Programs > Accessories > System Tools >...
Page 13: Setup Utilities And Diagnostics Features
Setup Utilities and Diagnostics Features Setup Utilities (F10) and diagnostic features provide information needed about the computer system when contacting Customer Support. These tools can also be used to: ■ Change factory default settings and to set or change the system configuration, which may be necessary when you add or remove hardware.
Page 14: Computer Setup Utilities
Setup Utilities and Diagnostics Features 2.2 Computer Setup Utilities Use Computer Setup Utilities (F10) to: ■ Change factory default settings. ■ Set the system date and time. ■ Set, view, change, or verify the system configuration, including settings for processor, graphics, memory, audio, storage, communications, and input devices.
Page 15: Using Computer Setup (F10) Utilities
Setup Utilities and Diagnostics Features 2.2.1 Using Computer Setup (F10) Utilities Computer Setup can be accessed only by turning on the computer or restarting the system. To access the Computer Setup Utilities menu, complete the following steps: 1. Turn on or restart the computer. If you are in Windows, click Start >Shut Down >Restart. 2.
Page 16: Computer Setup Menu
Setup Utilities and Diagnostics Features 2.2.2 Computer Setup Menu Heading Option Description File System Information Lists: • Product name • SKU number (some models) • Processor type/speed/stepping • Cache size (L1/L2) (dual core processors have this listed twice) • Installed memory size/speed and number of channels (single or dual) (if applicable) •...
Page 17 Setup Utilities and Diagnostics Features Heading Option Description Storage Device Lists all installed BIOS-controlled storage devices. Configuration When a device is selected, detailed information and options are displayed. The following options may be presented. Diskette Type (Legacy Diskettes only) Identifies the highest capacity media type accepted by the diskette drive.
Page 18 Setup Utilities and Diagnostics Features Heading Option Description Storage Device Multisector Transfers (ATA disks only) (continued) Configuration Specifies how many sectors are transferred per multi-sector PIO (continued) operation. Options (subject to device capabilities) are Disabled, 8, and 16. Transfer Mode (IDE devices only) Specifies the active data transfer mode.
Page 19 Setup Utilities and Diagnostics Features Heading Option Description Storage Storage Options SATA Emulation (continued) (continued) Allows you to choose how the SATA controller and devices are accessed by the operating system. There are up to three supported options: IDE, RAID, and AHCI. IDE is the default option.
Page 20 Setup Utilities and Diagnostics Features Heading Option Description Storage Boot Order Allows you to: (continued) • Specify the order in which attached devices (such as a USB flash media device, diskette drive, hard drive, optical drive, or network interface card) are checked for a bootable operating system image.
Page 21 Setup Utilities and Diagnostics Features Heading Option Description Security Smart Cover Allows you to: (continued) (some models) • Lock/unlock the Cover Lock. • Set the Cover Removal Sensor to Disable/Notify User/Setup Password. ✎ Notify User alerts the user that the sensor has detected that the cover has been removed.
Page 22 Setup Utilities and Diagnostics Features Heading Option Description ✎ Security OS Security This selection is in effect only if the processor and operating system being used comprehend and utilize this feature. (continued) • Data Execution Prevention (some models) (enable/disable). Helps prevent OS security breaches. •...
Page 23 Setup Utilities and Diagnostics Features Heading Option Description Advanced* Power-On Options Allows you to set: *For • POST mode (QuickBoot, FullBoot, or FullBoot every 1-30 days). advanced • POST messages (enable/disable). users only • MEBx Setup Prompt (enable/disable or hidden/displayed). Enabling this feature displays the text CTRL+P=MEBx during POST.
Page 24 Setup Utilities and Diagnostics Features Heading Option Description Advanced* Power-On Options Allows you to set: (continued) (continued) (continued) • I/O APIC Mode (enable/disable). Enabling this feature will *For allow Microsoft Windows Operating Systems to run optimally. advanced This feature must be disabled for certain non-Microsoft users only Operating Systems to work properly.
Page 25 Setup Utilities and Diagnostics Features Heading Option Description Advanced* Bus Options* On some models, allows you to enable or disable: (continued) • PCI SERR# Generation. *For • PCI VGA palette snooping, which sets the VGA palette advanced snooping bit in PCI configuration space; only needed when users only more than one graphics controller is installed.
Page 26: Recovering The Configuration Settings
Setup Utilities and Diagnostics Features Heading Option Description Advanced* Device option • NIC PXE Option ROM Download (enable/disable). The BIOS (continued) (continued) contains an embedded NIC option ROM to allow the unit to boot through the network to a PXE server. This is typically used *For to download a corporate image to a hard drive.
Page 27: Accessing Hp Insight Diagnostics
Setup Utilities and Diagnostics Features 2.3.1 Accessing HP Insight Diagnostics You must boot to the Documentation and Diagnostics CD, as described in the steps below, to access HP Insight Diagnostics. 1. While the computer is on, insert the Documentation and Diagnostics CD into an optical drive on the computer.
Page 28: Test Tab
Setup Utilities and Diagnostics Features Miscellaneous—Shows information obtained from the computer configuration memory (CMOS), system management BIOS data, system board data, and diagnostics component information. Storage—Shows information about storage media connected to the computer. This list includes all fixed disks, diskette drives, and optical drives. System—Shows information about the system board, processor, chassis, and BIOS, plus internal speaker and PCI bus information.
Page 29: Status Tab
Setup Utilities and Diagnostics Features 2.3.4 Status Tab The Status tab displays the status of the selected tests. The type of test executed (Quick, Complete, or Custom) is also displayed. The main progress bar displays the percent complete of the current set of tests. While testing is in progress, a Cancel Testing button is displayed for use if you want to cancel the test.
Page 30: Saving And Printing Information In Hp Insight Diagnostics
Setup Utilities and Diagnostics Features 2.3.7 Saving and Printing Information in HP Insight Diagnostics You can save the information displayed in the HP Insight Diagnostics Status and Log tabs to a diskette or a USB 2.0 HP Drive Key (64MB or higher). You can not save to the hard drive. The system will automatically create an html file that has the same appearance as the information displayed on the screen.
Page 31: Desktop Management
Desktop Management HP Client Management Solutions provides standards-based solutions for managing and controlling desktops, workstations, and notebook PCs in a networked environment. The key capabilities and features of desktop management are: ■ Initial configuration and deployment ■ Remote system installation ■...
Page 32: Hp Openview Agent
Desktop Management 3.1.1 HP OpenView Agent The Radia Management Agent (RMA) used by both HP OpenView Client Configuration Manager and HP OpenView PC Configuration Management Solutions (Radia) is pre-loaded on the computer. When installed, it enables communication with the HP OpenView management console.
Page 33: Remote System Installation
Desktop Management 3.2 Remote System Installation Remote System Installation allows you to start and set up your system using the software and configuration information located on a network server by initiating the Preboot Execution Environment (PXE). The Remote System Installation feature is usually used as a system setup and configuration tool, and can be used for the following tasks: ■...
Page 34: Hp System Software Manager
Desktop Management ■ Receive health status information - Subscribe for a wide range of client hardware alerts (such as over-temperature, fan stall, and hardware configuration changes) to be sent to the system management console, application, or to the local client computer. Alerts are sent real-time when triggered by hardware events.
Page 35: Hp Protecttools Security Manager
Desktop Management ■ Report basic inventory information for non-HP clients www.hp.com/go/clientmanager For more information on HP Client Manager, visit 3.3.4 HP ProtectTools Security Manager ProtectTools Security Manager software provides security features that help protect against unauthorized access to the computer, networks, and critical data. Enhanced security functionality is provided by the following modules: ■...
Page 36: Hp Openview Client Configuration Manager
Desktop Management 3.3.7 HP OpenView Client Configuration Manager HP OpenView Client Configuration Manager is a simplified, out-of-the-box, and easy-to-use solution that solves immediate PC software configuration management needs. ■ Integrated software management ❏ Inventory collection ❏ Operating system deployment and settings migration ❏...
Page 37: Intel Vpro-Branded Pcs With Active Management Technology
Desktop Management 3.3.9 Intel vPro-branded PCs with Active Management Technology Intel Active Management Technology (AMT) allows better discovery, healing, and protection of networked computing assets. With AMT, PCs can be managed whether the system is on, off, or the operating system is hung. Intel vPro features include: ■...
Page 38: Proactive Change Notification
Desktop Management This hot-key enters the Intel Management Engine BIOS Execution (ME Bx) setup utility. This utility allows the user to configure various aspects of the management technology. Configuration options include: ■ ME Platform Configuration ❏ ME Platform State Control—enable/disable management engine ❏...
Page 39: Subscriber's Choice
Desktop Management 3.3.1 1 Subscriber’s Choice Subscriber’s Choice is a client-based service from HP. Based on your profile, HP will supply you with personalized product tips, feature articles, and/or driver and support alerts/notifications. Subscriber’s Choice Driver and Support Alerts/Notifications will deliver e-mails notifying you that the information you subscribed to in your profile is available for review and retrieval.
Page 40: Hpqflash
Desktop Management 3.4.2 HPQFlash The HPQFlash utility is used to locally update or restore the system BIOS on individual PCs through a Windows operating system. http://www.hp.com/support/files For more information on HPQFlash, visit and enter the product name/number of the computer when prompted. 3.4.3 Boot Block Emergency Recovery Mode Boot Block Emergency Recovery Mode permits system recovery in the unlikely event of a ROM flash failure.
Page 41: Replicating The Setup
Desktop Management 3.4.4 Replicating the Setup The following procedures give an administrator the ability to easily copy one setup configuration to other computers of the same model. This allows for faster, more consistent configuration of multiple computers. ✎ Both procedures require a diskette drive or a supported USB flash media device, such as an HP Drive Key.
Page 42: Copying To Multiple Computers
Desktop Management Copying to Multiple Computers CAUTION: A setup configuration is model-specific. File system corruption may result if source and target Ä computers are not the same model. For example, do not copy the setup configuration from a dc7nnn PC to a dx7nnn PC.
Page 43: Creating A Bootable Device
Supported devices have a preinstalled image to simplify the process of making them bootable. All HP or Compaq and most other USB flash media devices have this preinstalled image. If the USB flash media device being used does not have this image, use the procedure later in this section (see “Unsupported USB Flash Media...
Page 44: Unsupported Usb Flash Media Device
Desktop Management FORMAT /S X: 10. At the A:\ prompt, enter where X represents the drive letter noted before. Ä CAUTION: Be sure that you have entered the correct drive letter for the USB flash media device. FORMAT will display one or more warnings and ask you each time whether you want to proceed.
Page 45: Dual-State Power Button
Desktop Management 6. Go to Advanced > PCI Devices to disable both the PATA and SATA controllers. When disabling the SATA controller, note the IRQ to which the controller is assigned. You will need to reassign the IRQ later. Exit setup, confirming the changes. SATA IRQ: __________ 7.
Page 46: Hp Web Site Support
Desktop Management After configuring the power button to function as a standby button, press the power button to put the system in a very low power state (standby). Press the button again to quickly bring the system out of standby to full power status. To completely turn off all power to the system, press and hold the power button for four seconds.
Page 47 Desktop Management removable media boot capability, you can protect valuable data assets. Memory Change and Smart Cover Sensor alerts can be automatically forwarded to system management applications to deliver proactive notification of tampering with a computer’s internal components. ✎ HP Embedded Security for ProtectTools, the Smart Cover Sensor, and the Smart Cover Lock are available as options on some systems.
Page 48 Desktop Management Security Features Overview (Continued) Option Description Device Security Enables/disables serial ports, parallel port, front USB ports, system audio, network controllers (some models), and SCSI controllers (some models). Network Service Boot Enables/disables the computer’s ability to boot from an operating system installed on a network server.
Page 49: Password Security
Desktop Management Mechanical Security Features Feature Purpose How It Is Established Memory Change Alerts Detects when memory modules This feature is automatic. have been added, moved, or removed; notifies user and system administrator. Cable Lock Provision Inhibits access to the interior of Install a cable lock to secure the computer to prevent the computer to a fixed...
Page 50: Establishing A Power-On Password Using Computer Setup
Desktop Management 3.5.3 Establishing a Power-On Password Using Computer Setup Establishing a power-on password through Computer Setup prevents access to the computer when power is turned on, unless the password is entered. When a power-on password is set, Computer Setup presents Password Options under the Security menu. Password options include Password Prompt on Warm Boot.
Page 51: Changing A Power-On Or Setup Password
Desktop Management Changing a Power-On or Setup Password If the system is equipped with an embedded security device, refer to the HP ProtectTools www.hp.com Security Manager Guide at 1. Turn on or restart the computer. If you are in Windows, click Start > Shut Down > Restart. 2.
Page 52: Drivelock
Desktop Management National Keyboard Delimiter Characters Each keyboard is designed to meet country-specific requirements. The syntax and keys that you use for changing or deleting your password depend on the keyboard that came with your computer. National Keyboard Delimiter Characters Arabic Greek Russian...
Page 53: Using Drivelock
Desktop Management Using DriveLock When one or more hard drives that support the ATA Security command set are detected, the DriveLock option appears under the Security menu in Computer Setup. The user is presented with options to set the master password or to enable DriveLock. A user password must be provided in order to enable DriveLock.
Page 54: Smart Cover Sensor
Desktop Management 3.5.5 Smart Cover Sensor Cover Removal Sensor, available on some models, is a combination of hardware and software technology that can alert you when the computer cover or side panel has been removed. There are three levels of protection, as described in the following table. Smart Cover Sensor Protection Levels Level Setting...
Page 55: Cable Lock Provision
Desktop Management Locking the Smart Cover Lock To activate and lock the Smart Cover Lock, complete the following steps: 1. Turn on or restart the computer. If you are in Windows, click Start > Shut Down > Restart. 2. As soon as the computer is turned on, press when the monitor light turns green to enter Enter Computer Setup.
Page 56: Fingerprint Identification Technology
Desktop Management 3.5.7 Fingerprint Identification Technology Eliminating the need to enter user passwords, HP Fingerprint Identification Technology tightens network security, simplifies the login process, and reduces the costs associated with managing corporate networks. Affordably priced, it is not just for high-tech, high-security organizations anymore.
Page 57: Sata Hard Drives
Serial and Parallel ATA Drive Guidelines and Features ✎ Serial ATA = SATA Parallel ATA = PATA HP only supports the use of SATA hard drives on these models of computer. The USDT model is the only product that supports a PATA optical drive. No PATA drives are supported on any other model.
Page 58: Sata Hard Drive Cables
Serial and Parallel ATA Drive Guidelines and Features 4.2 SATA Hard Drive Cables 4.2.1 SATA Data Cable Always use an HP approved SATA 3.0 Gb/s cable as it is fully backwards compatible with the SATA 1.5 Gb/s drives. Current HP desktop products ship with SATA 3.0 Gb/s hard drives. SATA data cables are susceptible to damage if overflexed.
Page 59: Pata Device Information
Serial and Parallel ATA Drive Guidelines and Features 4.3 PATA Device Information The USDT model is the only product that supports a PATA optical drive. No PATA drives are supported on any other model. 4.4 ATA SMART Drives The Self Monitoring Analysis and Recording Technology (SMART) ATA drives for the HP Personal Computers have built-in drive failure prediction that warns the user or network administrator of an impending failure or crash of the hard drive.
Page 60 Serial and Parallel ATA Drive Guidelines and Features 4–4 433612-001 Service Reference Guide, dc7700...
Page 61: Identifying The Chassis, Routine Care, And Disassembly Preparation
Identifying the Chassis, Routine Care, and Disassembly Preparation This chapter provides general service information for the computer. Adherence to the procedures and precautions described in this chapter is essential for proper service. CAUTION: When the computer is plugged into an AC power source, voltage is always applied to the Ä...
Page 62: Small Form Factor (Sff)
Identifying the Chassis, Routine Care, and Disassembly Preparation 5.1.2 Small Form Factor (SFF) 5.1.3 Ultra-Slim Desktop (USDT) 5–2 433612-001 Service Reference Guide, dc7700...
Page 63: Electrostatic Discharge Information
Identifying the Chassis, Routine Care, and Disassembly Preparation 5.2 Electrostatic Discharge Information A sudden discharge of static electricity from your finger or other conductor can destroy static-sensitive devices or microcircuitry. Often the spark is neither felt nor heard, but damage occurs.
Page 64: Personal Grounding Methods And Equipment
Identifying the Chassis, Routine Care, and Disassembly Preparation 5.2.3 Personal Grounding Methods and Equipment Use the following equipment to prevent static electricity damage to equipment: ■ Wrist straps are flexible straps with a maximum of one-megohm ± 10% resistance in the ground cords.
Page 65: Operating Guidelines
Identifying the Chassis, Routine Care, and Disassembly Preparation ■ Static awareness labels ■ Wrist straps and footwear straps providing one-megohm +/- 10% resistance ■ Material handling packages ■ Conductive plastic bags ■ Conductive plastic tubes ■ Conductive tote boxes ■ Opaque shielding bags ■...
Page 66: Routine Care
Identifying the Chassis, Routine Care, and Disassembly Preparation 5.4 Routine Care 5.4.1 General Cleaning Safety Precautions 1. Never use solvents or flammable solutions to clean the computer. 2. Never immerse any parts in water or cleaning solutions; apply any liquids to a clean cloth and then use the cloth on the component.
Page 67: Cleaning The Monitor
Identifying the Chassis, Routine Care, and Disassembly Preparation ■ Cleaning under a key may be done with a swab moistened with isopropyl alcohol and squeezed out. Be careful not to wipe away lubricants necessary for proper key functions. Use tweezers to remove any fibers or dirt in confined areas. Allow the parts to air dry before reassembly.
Page 68: Screws
Identifying the Chassis, Routine Care, and Disassembly Preparation 5.5.3 Screws The screws used in the computer are not interchangeable. They may have standard or metric threads and may be of different lengths. If an incorrect screw is used during the reassembly process, it can damage the unit.
Page 69: Lithium Coin Cell Battery
Identifying the Chassis, Routine Care, and Disassembly Preparation 5.5.6 Lithium Coin Cell Battery The battery that comes with the computer provides power to the real-time clock and has a minimum lifetime of about three years. See the appropriate removal and replacement chapter for the chassis you are working on in this guide for instructions on the replacement procedures.
Page 70 Identifying the Chassis, Routine Care, and Disassembly Preparation 5–10 433612-001 Service Reference Guide, dc7700...
Page 71: Removal And Replacement Procedures - Convertible Minitower (Cmt) Chassis
Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis Adherence to the procedures and precautions described in this chapter is essential for proper service. After completing all necessary removal and replacement procedures, run the diagnostics utility to verify that all components operate properly. ✎...
Page 72: Unlocking The Smart Cover Lock
Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis 6.2 Unlocking the Smart Cover Lock If you have locked the Smart Cover Lock use Computer Setup to unlock the lock. Refer to the Desktop Management Guide on the Documentation and Diagnostics CD for more information about the Smart Cover Lock.
Page 73: Hood Sensor
Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis 6.3 Hood Sensor 1. Prepare the computer for disassembly (Section 6.1). 2. Remove the access panel (Section 6.5). 3. Disconnect the hood sensor cable from the system board. 4. Slide the hood sensor switch towards the front of the computer 1 and lower it down through the slot 2.
Page 74: External Security Devices
Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis 6.4 External Security Devices 6.4.1 Cable Lock The cable lock may be used to secure the computer access panel to the chassis and, at the same time, secure the computer to a fixed object. 6.4.2 Padlock A padlock may be used by itself to secure the access panel to the computer chassis.
Page 75: Computer Access Panel
Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis 6.5 Computer Access Panel 1. Prepare the computer for disassembly (Section 6.1). Ä CAUTION: Before removing the computer access panel, ensure that the computer is turned off and that the power cord is disconnected from the electrical outlet. 2.
Page 76: Front Bezel
Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis 6.6 Front Bezel 1. Prepare the computer for disassembly (Section 6.1). 2. Remove the computer access panel (Section 6.5). 3. Push up on the two release tabs 1, then rotate the front bezel away from the chassis to release it 2.
Page 77: Front Drive Bezels
Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis 6.7 Front Drive Bezels 1. Prepare the computer for disassembly (Section 6.1). 2. Remove the access panel (Section 6.5). 3. Remove the front bezel (Section 6.6). 6.7.1 5.25” Drive Bezel Blank Gently pull the subpanel, with the bezel blanks secured in it, away from the front bezel, then remove the desired bezel blank.
Page 78: Diskette Drive Bezel Or Bezel Blank
Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis 6.7.2 Diskette Drive Bezel or Bezel Blank Press up on the two small retaining clips 1 on the bottom of the bezel insert, press down on the two small retaining clips 2 on the top of the insert, and push the cover out of the front bezel 3. To install a bezel or a bezel blank, reverse the removal procedure.
Page 79: Cable Management
Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis 6.8 Cable Management Always follow good cable management practices when working inside the computer. ■ Keep cables away from major heat sources like the heatsink. ■ Do not jam cables on top of expansion cards or memory modules. Printed circuit cards like these are not designed to take excessive pressure on them.
Page 80: Cable Connections
Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis 6.8.1 Cable Connections All cable connectors on the system board are color-coded for ease of installation. System Board Connections System Board Connector, Name, Description and Connector Color P10, FLOPPY, black Diskette drive P70, CPU FAN Heatsink fan P8, CHASSIS FAN...
Page 81: Memory
Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis 6.9 Memory CAUTION: The memory module sockets have gold metal contacts. When upgrading the memory, it is important to use memory modules with gold metal contacts to prevent corrosion and/or oxidation resulting from having incompatible metals in contact with each other.
Page 82: Expansion Cards
Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis ✎ The computer automatically recognizes the additional memory when the computer is turned on. To reassemble the computer, reverse the removal procedure. ✎ If you normally lock the Smart Cover Lock, use Computer Setup to relock the lock and enable the Smart Cover Sensor.
Page 83 Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis 5. If you are installing an expansion card in a vacant socket, remove the appropriate expansion slot cover on the back of the chassis. Pull the slot cover straight up to release it from the chassis frame.
Page 84 Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis 7. If you are removing a PCI Express card from a x16 PCI Express socket with a retention mechanism, pull the retention arm away from the socket then carefully rock the card back and forth until the connectors pull free from the socket.
Page 85 Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis 10. Slide the bracket on the end of the expansion card down into the slot on the back of the chassis and press the card down firmly into the socket on the system board. ✎...
Page 86: Pci Retainer Latch
Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis 6.1 1 PCI Retainer Latch 1. Prepare the computer for disassembly (Section 6.1). 2. Remove the computer access panel (Section 6.5). 3. Locate the correct vacant expansion socket on the system board and the corresponding expansion slot on the back of the computer chassis.
Page 87 Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis 6. Slide the pivoting bar to the right 1, then lift the left end 2 to remove it from the chassis. To replace the bar, slide it into the socket on the right 1, lower it into position 3, and slide it to the left 4 to secure it in place.
Page 88: Expansion Card Guide
Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis 6.12 Expansion Card Guide 1. Prepare the computer for disassembly (Section 6.1). 2. Remove the computer access panel (Section 6.5). 3. Remove any expansion cards that might be in the way (Section 6.10). 4.
Page 89: Drives
Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis 6.13 Drives The computer supports up to six drives that may be installed in various configurations. This Section describes the procedure for replacing or upgrading the storage drives. A Torx T-15 screwdriver is needed to remove and install the guide screws on a drive.
Page 90: 2Hard Drive
Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis 6.13.2 Hard Drive CAUTION: To prevent loss of work and damage to the computer or drive: Ä ■ If you are inserting or removing a hard drive, shut down the operating system properly, then turn off the computer.
Page 91 Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis 5. Pull up on the green hard drive drivelock mechanism 1 for that drive and slide the drive from the drive bay 2 . 6. Remove the four guide screws (two on each side) from the old drive and install them in the replacement drive.
Page 92: 3Optical Drive
Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis 6.13.3 Optical Drive ✎ An optical drive is a CD-ROM, CD-R/RW, DVD-ROM, DVD-R/RW, or CD-RW/DVD Combo drive. 1. Prepare the computer for disassembly (Section 6.1). 2. Remove the computer access panel (Section 6.5).
Page 93 Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis 7. In the minitower mode, pull up on the green drivelock mechanism 1 for that specific drive and slide the drive from the drive bay 2. 8. Remove the four guide screws (two on each side) from the old drive and install them in the lower set of holes on the optical drive.
Page 94 Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis 9. After installing the M3 metric guide screws 1, install the drive by sliding it into the appropriate drive bay on the front of the chassis 2. The drivelock automatically secures the drive in the bay.
Page 95: 4Diskette Drive
Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis 6.13.4 Diskette Drive 1. Prepare the computer for disassembly (Section 6.1). 2. Remove the computer access panel (Section 6.5). 3. Remove the front bezel (Section 6.6). 4. Pull up on the green hard drive drivelock mechanism 1 and slide the drive from the bay 2. 5.
Page 96: Front I/O Device
Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis 6.14 Front I/O Device 1. Prepare the computer for disassembly (Section 6.1). 2. Remove the computer access panel (Section 6.5). 3. Remove the front bezel (Section 6.6). 4. Disconnect the two I/O device cables from the system board: the front USB cable pair and the front audio cable.
Page 97: Power Switch Assembly
Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis 6.15 Power Switch Assembly 1. Prepare the computer for disassembly (Section 6.1). 2. Remove the computer access panel (Section 6.5). 3. Remove the front bezel (Section 6.6). 4. Disconnect the power switch/LED cable from the system board. 5.
Page 98: System Board
Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis 6.16 System Board 1. Prepare the computer for disassembly (Section 6.1). 2. Remove the computer access panel (Section 6.5). 3. Remove all PCI expansion boards (Section 6.10). 4. Remove the x16 PCI Express graphics card (Section 6.10).
Page 99: Battery
Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis 6.17 Battery The 3-volt lithium coin cell battery that comes with this computer provides power to the real-time clock and has a lifetime of about three years. When replacing the battery, use a battery equivalent to the battery originally installed on the computer.
Page 100: 1Type 1 Battery Holder
Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis 6.17.1 Type 1 Battery Holder 1. Lift the battery out of its holder. 2. Slide the replacement battery into position, positive side up. 3. The battery holder automatically secures the battery in the proper position. 4.
Page 101: 2Type 2 Battery Holder
Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis 6.17.2 Type 2 Battery Holder 1. To release the battery from its holder, squeeze the metal clamp 1 that extends above one edge of the battery. When the battery pops up, lift it out. 2.
Page 102: 3Type 3 Battery Holder
Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis 6.17.3 Type 3 Battery Holder 1. Pull back on the clip 1 that holds the battery in place, then remove the battery 2. 2. Insert the new battery and position the clip back in place. 3.
Page 103: Heatsink
Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis 6.18 Heatsink 1. Prepare the computer for disassembly (Section 6.1). 2. Remove the computer access panel (Section 6.5). 3. Disconnect the heatsink control cable from the system board. 4. Uncrew the four captive screws 1 that secure the heatsink to the system board. CAUTION: Heatsink retaining screws should be removed in diagonally opposite pairs (as in an X) to Ä...
Page 104: Processor
Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis 6.19 Processor 1. Prepare the computer for disassembly (Section 6.1). 2. Remove the computer access panel (Section 6.5). 3. Disconnect the heatsink control cable from the system board and remove the heatsink (Section 6.18).
Page 105: Speaker
Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis 6. Secure the heatsink to the system board and system board tray with the 4 captive screws and attach the heatsink control cable to the system board. CAUTION: Heatsink retaining screws should be tightened in diagonally opposite pairs (as in an X) to Ä...
Page 106: Chassis Fan
Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis 6.21 Chassis Fan 1. Prepare the computer for disassembly (Section 6.1). 2. Remove the computer access panel (Section 6.5). 3. Disconnect the fan control cable from the system board. 4. Remove the four screws that secure the fan assembly to the chassis and then remove the fan assembly.
Page 107: Power Supply
Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis 6.22 Power Supply Å WARNING: Voltage is always present on the system board when the computer is plugged into an active AC outlet. To avoid possible personal injury and damage to the equipment the power cord should be disconnected from the computer and/or the AC outlet before opening the computer.
Page 108 Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis 4. With the power supply stopped by the retaining clips 1, lift the power supply to raise it over the clips then slide the power supply forward 2 to remove it from the computer. To install the power supply, reverse the removal procedure.
Page 109: Changing From Desktop To Minitower
Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis 6.23 Changing from Desktop to Minitower 1. Prepare the computer for disassembly (Section 6.1). 2. Remove the computer access panel (Section 6.5). 3. Remove the front bezel (Section 6.6). 4. Disconnect all power and data cables from the back of the drives in the 5.25-inch drive bays. 5.
Page 110 Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis 6. Before you reinstall each drive into the chassis, turn it so that it is in the same orientation as the internal 3.5-inch drive. The bottom of the drive should be parallel to the yellow drivelock. 7.
Page 111 Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis 11. Reposition the subpanel (rotate it 90°) with the logo at the bottom, then snap it back into the bezel. 12. Replace the front bezel and computer access panel. 13. Reconnect the external equipment. 14.
Page 112: Changing From Minitower To Desktop
Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis 6.24 Changing from Minitower to Desktop 1. Prepare the computer for disassembly (Section 6.1). 2. Remove the computer access panel (Section 6.5). 3. Remove the front bezel (Section 6.6). 4. Disconnect all power and data cables from the back of the drives in the 5.25-inch drive bays. 5.
Page 113 Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis 6. Before reinstalling each drive into the chassis, turn the drive so that it is perpendicular to the internal 3.5-inch drive. The drive should be parallel to the green latch drive bracket. 7.
Page 114 Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis 11. Reposition the subpanel (rotate it 90°) with the logo at the bottom, then snap it back into the bezel. 12. Replace the front bezel and computer access panel. 13. Reconnect the external equipment. 14.
Page 115: Removal And Replacement Procedures-Small Form Factor (Sff) Chassis
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis Adherence to the procedures and precautions described in this chapter is essential for proper service. After completing all necessary removal and replacement procedures, run the Diagnostics utility to verify that all components operate properly. ✎...
Page 116: Unlocking The Smart Cover Lock
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis Unlocking the Smart Cover Lock If you have locked the Smart Cover Lock use Computer Setup to unlock the lock. Refer to the Desktop Management Guide on the Documentation and Diagnostics CD for more information about the Smart Cover Lock.
Page 117 Removal and Replacement Procedures— Small Form Factor (SFF) Chassis To reattach the Smart Cover Lock: 1. Install the Smart Cover Lock assembly on the inside of the rear panel with the metal arm 1 wrapped around the air vent grid on the back of the chassis. 2.
Page 118: Hood Sensor
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis Hood Sensor 1. Prepare the computer for disassembly. 2. Remove the computer cover. 3. Remove the special security clip (Section 7.4.1) from the top corner of the power supply cage. 4. Raise the power supply to its full upright position. 5.
Page 119: External Security Devices
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis External Security Devices 7.4.1 Security Clip A special clip is required to secure the computer from intrusion. This clip must be installed before installing the computer cover. 7.4.2 Cable Lock The cable lock may be used to secure the computer cover to the chassis and, at the same time, secure the computer to a fixed object.
Page 120: Padlock
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.4.3 Padlock A padlock may be used by itself to secure the computer cover to the computer chassis. A padlock may also be used with a security cable to secure the computer to a fixed object. 7–6 433612-001 Service Reference Guide, dc7700...
Page 121: Computer Cover
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis Computer Cover 1. Prepare the computer for disassembly (Section 7.1). Ä CAUTION: Before removing the computer cover, ensure that the computer is turned off and that the power cord is disconnected from the electrical outlet. 1.
Page 122: Front Drive Bezels
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis Front Drive Bezels 1. Prepare the computer for disassembly (Section 7.1). 2. Remove the computer cover (Section 7.5). 3. Remove the drive bezel by pushing the top tab on the right side of the larger front bezel as shown 1 and rotating the drive bezel away from the larger front bezel 2.
Page 123 Removal and Replacement Procedures— Small Form Factor (SFF) Chassis There are three drive bezel inserts that are available. Item Description Diskette drive bezel Hard drive bezel 3.5” drive bezel Service Reference Guide, dc7700 433612-001 7–9...
Page 124: Cable Management
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis Cable Management The Small Form Factor chassis is a very compact computer and proper routing of the internal cables is critical to the operation of the computer. Follow good cable management practices when working inside the computer.
Page 125: Cable Connections
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.7.1 Cable Connections System board connectors are color-coded to make it easier to find the proper connection. Cable Cable Designator Power Supply System board, 24-pin Power Supply Diskette drive Power Supply CPU power, 6-pin Power Supply 1st SATA Hard drive...
Page 126: Memory
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis Memory Ä CAUTION: The memory module sockets have gold metal contacts. When upgrading the memory, it is important to use memory modules with gold metal contacts to prevent corrosion and/or oxidation resulting from having incompatible metals in contact with each other.
Page 127: Vertically Oriented Expansion Card
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis ✎ The computer automatically recognizes the additional memory when the computer is turned on. To reassemble the computer, reverse the removal procedure. ✎ If you normally lock the Smart Cover Lock, use Computer Setup to relock the lock and enable the Smart Cover Sensor.
Page 128: Pci Expansion Card
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.9.2 PCI Expansion Card 1. If you have locked the Smart Cover Lock, restart the computer and enter Computer Setup to unlock the lock. 2. Turn off the computer properly through the operating system, then turn off any external devices.
Page 129 Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 8. Install the expansion card by sliding the card under the slot cover retention latch then pressing the card down into the slot on the system board. ✎ Be sure not to scrape other components in the chassis when installing an expansion card. 9.
Page 130: Pci Express Expansion Card
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.9.3 PCI Express Expansion Card To remove a PCI Express expansion card: 1. If you have locked the Smart Cover Lock, restart the computer and enter Computer Setup to unlock the lock. 2.
Page 131: Pci Riser Card Assembly And Backwall
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.10 PCI Riser Card Assembly and Backwall 1. If you have locked the Smart Cover Lock, use Computer Setup to unlock the lock (Section 7.2). 2. Prepare the computer for disassembly (Section 7.1).
Page 132 Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7. Remove the SmartCover lock from the backwall of the chassis using the special security wrench and disconnect its cable from the system board. (Section 7.2) 8. Disconnect the data and power cables from the system board. 9.
Page 133 Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 12. Remove the long mounting screw that secures the system board tray to the chassis. 13. Slide the system board tray assembly towards the front of the chassis about 6 cm (1/4 inch) and lift the system board up and out of the chassis.
Page 134 Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 14. Remove the three screws that secure the backwall assembly to the chassis 1, then slide the backwall assembly a few millimeters/inches toward the space vacated by the power supply and lift out(2. 15.
Page 135 Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 16. Install the serial connector into the new backwall using the two screws that were removed from the serial connector in a previous step. Reconnect the “Serial A” cable to the system board.
Page 136: Drives
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 23. Rotate the drive cage back down to its normal position. Be sure to use proper cable handling and placement precautions. Ä CAUTION: Cables are very sensitive. Overbending, creasing, or pinching can damage cables. 24.
Page 137: 2Optical Drive
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.1 1.2 Optical Drive CAUTION: All removable media should be taken out of the drives before removing the drive from the Ä computer. ✎ An optical drive is a CD-ROM, CD-R/RW, DVD-ROM, DVD+R/RW, or CD-RW/DVD Combo drive.
Page 138 Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 6. Rotate the drive cage down to its normal position before trying to remove the drive. 7. Press the green drive retainer latch and slide the drive forward and lift it from the drive cage. 8.
Page 139: 3External 3.5-Inch Drive
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.1 1.3 External 3.5-inch Drive 1. If you have locked the Smart Cover Lock, use Computer Setup to unlock the lock (Section 7.2). 2. Prepare the computer for disassembly (Section 7.1). 3.
Page 140 Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 8. Press the green drive retention latch 1 located on the side of the diskette drive to disengage the drive from the drive cage and slide the diskette drive forward approximately 6mm (1/4 inch) 2.
Page 141: 4Primary Hard Drive
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.1 1.4 Primary Hard Drive A Torx T-15 screwdriver is needed to remove and install the guide screws on a hard drive. CAUTION: Make sure personal files on the hard drive are backed up to an external storage device Ä...
Page 142 Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 5. Remove the security clip that secures the backwall to the power supply. 6. Rotate the power supply to its full upright position. 7–28 433612-001 Service Reference Guide, dc7700...
Page 143 Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7. Disconnect the power and data cables from the back of the hard drive. 8. Pull the tab that locks the drive in place away from the drive 1, slide the hard drive toward the front of the computer, then lift it up and out of the bay 2.
Page 144: Fan Shroud
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis ✎ When replacing the hard drive, transfer the four screws from the old drive to the new one. The screws take the place of drive rails. You will need a Torx T-15 screwdriver to remove and re-install the guide screws.
Page 145: Front I/O Devices
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.13 Front I/O Devices 1. Prepare the computer for disassembly (Section 7.1). 2. Remove the computer cover (Section 7.5). 3. Remove the two screws that secure the front I/O device to the chassis 1. 4.
Page 146: Heatsink
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.14 Heatsink 1. Prepare the computer for disassembly (Section 7.1). 2. Remove the computer cover (Section 7.5). 3. Remove the fan shroud (Section 7.12). 4. Disconnect the fan control cable from the system board. 5.
Page 147: Processor
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.15 Processor 1. Prepare the computer for disassembly (Section 7.1). 2. Remove the computer cover (Section 7.5). 3. Remove the fan shroud (Section 7.12). 4. Disconnect the heatsink control cable from the system board and remove the heatsink (Section 7.14).
Page 148 Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 3. If reusing the existing heatsink, clean the bottom of the heatsink with the alcohol pad provided in the spares kit. CAUTION: Before reinstalling the heatsink you must clean the top of the processor and the bottom of the Ä...
Page 149: Speaker
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.16 Speaker 1. Prepare the computer for disassembly (Section 7.1). 2. Remove the computer cover (Section 7.5). 3. Remove the fan shroud (Section 7.12). 4. Remove any memory modules that might interfere with the screwdriver used for removing the speaker.
Page 150: Power Supply
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.17 Power Supply Å WARNING: Voltage is always present on the system board when the computer is plugged into an active AC outlet. To avoid possible personal injury and damage to the equipment the power cord should be disconnected from the computer and/or the AC outlet before opening the computer.
Page 151 Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 8. Rotate the power supply to its full upright position 1, then lift the power supply straight up and out of the chassis 2. To install the power supply, reverse the removal procedure. CAUTION: When installing the power supply cables, make sure they are properly positioned so they Ä...
Page 152: Chassis Fan
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.18 Chassis Fan 1. Prepare the computer for disassembly (Section 7.1). 2. Remove the computer cover (Section 7.5). 3. Remove the fan shroud (Section 7.12). 4. Disconnect the chassis fan cable from the system board. 5.
Page 153: System Board
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.19 System Board 1. Prepare the computer for disassembly (Section 7.1). 2. Remove the computer cover (Section 7.5). 3. Remove all PCI and PCI Express expansion boards (Section 7.9). 4. Remove the fan shroud from the chassis (Section 7.11).
Page 154 Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 9. Disconnect the serial port from the system board. 10. Disconnect the balance of the cables from the system board. 11. Remove the long mounting screw that secures the system board tray to the chassis. 7–40 433612-001 Service Reference Guide, dc7700...
Page 155 Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 12. Slide the system board tray assembly towards the front of the chassis, about 6 mm (1/4 inch) and lift the system board up and out of the chassis. 13. Remove the heatsink from the system board and the system board tray (Section 7.14).
Page 156: Drive Clutch Components
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.20 Drive Clutch Components 1. Prepare the computer for disassembly (Section 7.1). 2. Remove the computer cover (Section 7.5). 3. Remove the optical drive and any other drive in the rotating drive cage (Section 7.11.2 Section 7.11.3).
Page 157 Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 8. Hold the drive cage in the upright position while removing the two screws that secure the clutch finger assembly to the drive cage. ✎ The clutch finger assembly doe not have to be removed to remove the power switch. To replace the drive clutch components, reverse the removal procedure.
Page 158: Power Switch Assembly
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.21 Power Switch Assembly 1. Prepare the computer for disassembly (Section 7.1). 2. Remove the computer cover (Section 7.5). 3. Remove all drives from the rotating drive cage (Section 7.11.2 Section 7.11.3).
Page 159: Battery
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.22 Battery The battery that comes with this computer provides power to the real-time clock and has a lifetime of about three years. When replacing the battery, use a battery equivalent to the battery originally installed on the computer.
Page 160: 1Type 1 Battery Holder
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.22.1 Type 1 Battery Holder 1. Lift the battery out of its holder. 2. Slide the replacement battery into position, positive side up. 3. The battery holder automatically secures the battery in the proper position. 4.
Page 161: 2Type 2 Battery Holder
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.22.2 Type 2 Battery Holder 1. To release the battery from its holder, squeeze the metal clamp that extends above one edge of the battery. When the battery pops up, lift it out 2.
Page 162: 3Type 3 Battery Holder
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.22.3 Type 3 Battery Holder 1. Pull back on the clip 1 that holds the battery in place, then remove the battery 2. 2. Insert the new battery and position the clip back in place. 3.
Page 163: Removal And Replacement Procedures - Ultra-Slim Desktop (Usdt) Chassis
Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis Adherence to the procedures and precautions described in this chapter is essential for proper service. After completing all necessary removal and replacement procedures, run the diagnostics utility to verify that all components operate properly. ✎...
Page 164 Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis 8. If the PC is mounted in the accessory mounting stand, loosen the thumbscrew that secures the computer to the stand 1. 9. Slide the computer forward until it is disengaged from the hooks on the front of the tower stand, then lift the computer off the stand 2 and lay the computer down on its rubber feet.
Page 165: External Security Devices
Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis 8.2 External Security Devices 8.2.1 Installing a Cable Lock The cable lock may be used to secure the computer access panel to the chassis and, at the same time, secure the computer to a fixed object. 8.2.2 Installing a Padlock A padlock may be used by itself to secure the access panel to the computer chassis.
Page 166: Computer Access Panel
Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis 8.3 Computer Access Panel 1. Prepare the computer for disassembly (Section 8.1). Ä CAUTION: Before removing the computer access panel, ensure that the computer is turned off and that the power cord is disconnected from the electrical outlet. 2.
Page 167: Optical Drive
Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis 8.4 Optical Drive Ä CAUTION: The flat ribbon cable at the back of the optical drive must be disconnected before either the front panel assembly or the optical drive are removed. Failure to remove the cable will result in destroying the cable.
Page 168 Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis Before the new optical drive can be used, the release latch must be attached. 1. Peel the backing off the adhesive on the release latch. 2. Without allowing the release latch to touch the optical drive, carefully align the holes on the release latch with the pins on the side of the optical drive.
Page 169: Front Panel Assembly
Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis 8.5 Front Panel Assembly 1. Prepare the computer for disassembly (Section 8.1). 2. Remove the computer access panel (Section 8.3). 3. Lift up on the two green locking levers on the left and right sides of the chassis. This will unlatch the front panel assembly and push it about 1.3 cm (1/2 inch) out of the chassis.
Page 170: Front Bezel
Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis 8.6 Front Bezel 1. Prepare the computer for disassembly (Section 8.1). 2. Remove the computer access panel (Section 8.3). 3. Remove the optical drive (Section 8.4). 4. Disconnect the fan and speaker cables from the system board. 5.
Page 171: Chassis Fan
Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis 8.7 Chassis Fan 1. Prepare the computer for disassembly (Section 8.1). 2. Remove the computer access panel (Section 8.3). 3. Remove the optical drive (Section 8.4). 4. Disconnect the fan and speaker cables from the system board. 5.
Page 172: Speaker
Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis 8.8 Speaker 1. Prepare the computer for disassembly (Section 8.1). 2. Remove the computer access panel (Section 8.3). 3. Remove the optical drive (Section 8.4). 4. Disconnect the fan and speaker cables from the system board. 5.
Page 173: Cable Management
Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis 8.9 Cable Management Always follow good cable management practices when working inside the computer. ■ Keep cables away from major heat sources like the heatsink. ■ Do not jam cables on top of expansion cards or memory modules. Printed circuit cards like these are not designed to take excessive pressure on them.
Page 174: Cable Connections
Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis 8.9.1 Cable Connections All cable connectors on the system board are color-coded for ease of installation. System Board Connections System Board Connector Description Optical data/power P21, SECONDARY Heatsink fan P8, CPU FAN Chassis fan P9, CH FAN Front LED/Power button...
Page 175: Memory
Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis 8.10 Memory Ä CAUTION: The memory module sockets have gold metal contacts. When upgrading the memory, it is important to use memory modules with gold metal contacts to prevent corrosion and/or oxidation resulting from having incompatible metals in contact with each other.
Page 176: Expansion Card Cage
Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis ✎ The computer automatically recognizes the additional memory when the computer is turned on. To reassemble the computer, reverse the removal procedure. 8.1 1 Expansion Card Cage The computer supports two different expansion card cages: ■...
Page 177: Expansion Card
Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis 8.12 Expansion Card 1. Prepare the computer for disassembly (Section 8.1). 2. Remove the computer access panel (Section 8.3). 3. Remove the expansion card cage (Section 8.11). 4. Open the latch 1 by squeezing the retainer fingers together and rotate the latch out of the way 2.
Page 178 Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis 7. For a PCI Express expansion card, lay the card cage on its edge and hold it firmly in place. Pull the retention arm on the back if the PCI Express expansion socket away from the card and carefully rock it back and forth until the connectors pull free from the card cage.
Page 179: Expansion Card Retaining Latch
Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis 8.13 Expansion Card Retaining Latch 1. Prepare the computer for disassembly (Section 8.1). 2. Remove the computer access panel (Section 8.3). 3. Remove the expansion card cage (Section 8.11). 4. Open the latch 1 by squeezing the retainer fingers together, then rotate the latch out of the way 2.
Page 180: Hard Drive
Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis 8.14 Hard Drive A Torx T-15 screwdriver is needed to remove and install the guide screws on a hard drive. Ä CAUTION: Make sure personal files on the hard drive are backed up to an external storage device before removing the hard drive.
Page 181 Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis 7. Pull the drive release lever away from the hard drive 1, then lift the cable-end of the drive up 2 and pull it towards the center of the chassis 3 to remove it from the drive cage. Follow proper cable management techniques when handling all cables (Section 8.9).
Page 182: Front I/O Device
Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis 8.15 Front I/O Device 1. Prepare the computer for disassembly (Section 8.1). 2. Remove the computer access panel (Section 8.3). 3. Remove the optical drive (Section 8.4). 4. Remove the front panel assembly (Section 8.5).
Page 183: Heatsink Assembly
Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis 8.16 Heatsink Assembly 1. Prepare the computer for disassembly (Section 8.1). 2. Remove the computer access panel (Section 8.3). 3. Remove the optical drive (Section 8.4). 4. Disconnect the three front I/O, fan, and speaker cables from the system board. 5.
Page 184: Processor
Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis CAUTION: Heatsink retaining screws should be tightened in diagonally opposite pairs (as in an X) to Ä evenly seat the heatsink on the processor. This is especially important as the pins on the socket are very fragile and any damage to them may require replacing the system board.
Page 185 Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis 3. If reusing the existing heatsink, clean bottom of the heatsink and apply the thermal grease provided in the spares kit to the top of the processor. 4. Position the heatsink atop the processor. 5.
Page 186: Power Supply
Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis 8.18 Power Supply Å WARNING: Voltage is always present on the system board when the computer is plugged into an active AC outlet. To avoid possible personal injury and damage to the equipment, the power cord should be disconnected from the computer and/or the AC outlet before opening the computer.
Page 187: System Board
Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis 8.19 System Board 1. Prepare the computer for disassembly (Section 8.1). 2. Remove the computer access panel (Section 8.3). 3. Remove the optical drive (Section 8.4). 4. Disconnect the three front I/O, fan, and speaker cables from the system board. 5.
Page 188: Battery
Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis 8.20 Battery The battery that comes with this computer provides power to the real-time clock and has a lifetime of about three years. When replacing the battery, use a battery equivalent to the battery originally installed on the computer.
Page 189: 1Type 1 Battery Holder
Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis 8.20.1 Type 1 Battery Holder 1. Lift the battery out of its holder. 2. Slide the replacement battery into position, positive side up. 3. The battery holder automatically secures the battery in the proper position. 4.
Page 190: 2Type 2 Battery Holder
Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis 8.20.2 Type 2 Battery Holder 1. To release the battery from its holder, squeeze the metal clamp 1 that extends above one edge of the battery. When the battery pops up, lift it out. 2.
Page 191: Type 3 Battery Holder
Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis 8.20.3 Type 3 Battery Holder 1. Pull back on the clip 1 that holds the battery in place, then remove the battery 2. 2. Insert the new battery and position the clip back in place. 3.
Page 192 Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis 8–30 433612-001 Service Reference Guide, dc7700...
Page 193: Connector Pin Assignments
Connector Pin Assignments This appendix contains the pin assignments for many computer and workstation connectors. Some of these connectors may not be used on the product being serviced. Keyboard Connector and Icon Signal Data Unused Ground +5 VDC Clock Unused Mouse Connector and Icon Signal...
Page 194: Ethernet Aui
Connector Pin Assignments Ethernet RJ-45 Connector and Icon Signal (+) Transmit Data (-) Transmit Data (+) Receive Data Unused Unused (-) Receive Data Unused Unused Ethernet AUI Connector and Icon Signal Signal Ground Positive AUI Differential Receive Negative AUI Differential Collision +12V Positive AUI Differential Collision Ground...
Page 195 Connector Pin Assignments Serial Interface, Powered and Non-Powered Connector and Icon Signal Carrier Detect (12V if powered) Receive Data Transmit Data Data Terminal Ready Signal Ground Data Set Ready Request to Send Clear to Send Ring Indicator (5V if powered) Connector and Icon Signal +5 VDC...
Page 196: External Infrared Transceiver
Connector Pin Assignments Line-Out Audio Connector and Icon (1/8” miniphone) Signal 1 (Tip) Audio_Out_Left 1 2 3 2 (Ring) Audio_Out_Right 3 (Shield) Ground External Infrared Transceiver Connector and Icon Signal Signal Signal Transmit Not Used Receive Mode Not Used Ground Not Used Monitor Connector and Icon...
Page 197 Connector Pin Assignments ATA/ATAPI (IDE) Standard Drive Cable Connector Signal Signal Signal Reset DMAK Ground DD14 Ground INTRQ DD15 IOCS16 Ground (Key) PDIAG (cable detect) DMARQ DD10 Ground DIOW CS1FX DD1 1 Ground CS3FX DIOR DASP DD12 Ground Ground IORDY DD13 CSEL CD-ROM 50-Pin Connector...
Page 198 Connector Pin Assignments 24-Pin Power (CMT and MT models) Connector Signal Signal Signal Signal +3.3 V +3.3 V +3.3 V - 1 2 V open +5 Vaux +5 V +5 V +12 V PSON +5 V +12 V +5 V +5 V +3.3 V 24-Pin MicroFit Power (USDT, SFF, and ST models)
Page 199 Connector Pin Assignments 6-Pin Power (for CPU) (USDT, SFF, and ST models) Connector and Icon Signal 12 V CPU 12 V CPU +12 V SATA Data and Power Drive Connector Signal Signal Signal Signal Ground Ground Ground V 3.3 V 3.3 V 3.3 Ground Ground...
Page 200 Connector Pin Assignments PCI Express x1, x4, x8, and x16 PCI Express Connector Pin A Signal Signal Signal Signal Signal PRSNT1# JTAG3 PERST# PERp0 PERp1 +12V JTAG4 PERn0 PERn1 +12V JTAG5 REFCLK+ +3.3v REFCLK- RSVD JTAG2 +3.3v PERp2 PERn(2) PERn4 RSVD PERp7 RSVD...
Page 201 Connector Pin Assignments PCI Express x1, x4, x8, and x16 PCI Express Connector Pin B Signal Signal Signal Signal Signal +12V SMDAT WAKE# +12V RSVD PRSNT2# RSVD +3.3v PETp2 JTAG1 PETp0 PETp1 PETn2 SMCLK 3.3vAux PETn0 PETn1 PRSNT2# PETp6 PETn7 PETp3 PETp5 PRTn6...
Page 202: Dvi Connector
Connector Pin Assignments DVI Connector Connector and Icon Signal Signal T.M.D.S. Data2- T.M.D.S. Data3+ T.M.D.S. Data2+ +5V Power T.M.D.S. Data2/4 Shield Ground (for +5V) T.M.D.S. Data4- Hot Plug Detect T.M.D.S. Data4+ T.M.D.S. Data0- T.M.D.S. Data0+ DDC Clock T.M.D.S. Data0/5 Shield DDC Data T.M.D.S.
Page 203: General Requirements
Power Cord Set Requirements The power supplies on some computers have external power switches. The voltage select switch feature on the computer permits it to operate from any line voltage between 100-120 or 220-240 volts AC. Power supplies on those computers that do not have external power switches are equipped with internal switches that sense the incoming voltage and automatically switch to the proper voltage.
Page 204 Power Cord Set Requirements Country-Specific Requirements Additional requirements specific to a country are shown in parentheses and explained below. Accrediting Accrediting Country Agency Country Agency Australia (1) EANSW Italy (1) Austria (1) Japan (3) METI Belgium (1) CEBC Norway (1) NEMKO Canada (2) Sweden (1)
Page 205: Post Error Messages
POST Error Messages POST Error Messages An error message results if the Power-On Self-Test (POST) encounters a problem. This test runs when the system is turned on, checking assemblies within the computer and reporting any errors found. Not all computers use all of the codes listed. POST Error Messages Screen Message Probable Cause...
Page 206: Onboard Devices
POST Error Messages POST Error Messages (Continued) Screen Message Probable Cause Recommended Action 162-System Options Not Configuration incorrect. Run Computer Setup and check configuration in Advanced > RTC (real-time clock) Onboard Devices. battery may need to be Reset the date and time under Control replaced.
Page 207 POST Error Messages POST Error Messages (Continued) Screen Message Probable Cause Recommended Action 219-ECC Memory Recently added memory 1. If additional memory was recently Module Detected. ECC module(s) support ECC added, remove it to see if the Modules not supported memory error correction.
Page 208 POST Error Messages POST Error Messages (Continued) Screen Message Probable Cause Recommended Action 51 1-CPU, CPUA, or CPU fan is not connected 1. Reseat the CPU fan. CPUB Fan not detected or may have 2. Reseat fan cable. malfunctioned. 3. Replace the CPU fan. 512-Chassis, rear Chassis, rear chassis, or 1.
Page 209 POST Error Messages POST Error Messages (Continued) Screen Message Probable Cause Recommended Action 918-Front USB Not Front USB harness has Reconnect or replace front USB harness. Connected been detached or unseated from system board. 921-Device in PCI There is an Try rebooting the system.
Page 210 POST Error Messages POST Error Messages (Continued) Screen Message Probable Cause Recommended Action 1720-SMART Hard Hard drive is about to 1. Determine if hard drive is giving Drive Detects Imminent fail. (Some hard drives correct error message. Enter Failure have a firmware patch Computer Setup and run the Drive that will fix an erroneous Protection System test under...
Page 211 POST Error Messages POST Error Messages (Continued) Screen Message Probable Cause Recommended Action 2201-MEBx Module did Memory error during 1. Reboot the computer. not checksum correctly POST execution of the 2. Unplug the power cord, re-seat the Management Engine memory modules, and reboot the (ME) BIOS Extensions computer.
Page 212 POST Error Messages POST Error Messages (Continued) Screen Message Probable Cause Recommended Action 2205-Interface error MEBx operation 1. Reboot the computer. during MEBx execution experienced a hardware 2. If the error persists, update to the error during latest BIOS version. communication with ME.
Page 213: Post Diagnostic Front Panel Leds And Audible Codes
POST Error Messages POST Diagnostic Front Panel LEDs and Audible Codes This section covers the front panel LED codes as well as the audible codes that may occur before or during POST that do not necessarily have an error code or text message associated with them. WARNING: When the computer is plugged into an AC power source, voltage is always applied to the Å...
Page 214 POST Error Messages POST Diagnostic Front Panel LEDs and Audible Codes (Continued) Activity Beeps Possible Cause Recommended Action Red Power LED Processor not 1. Check to see that the processor is flashes three times, installed (not an present. once every indicator of bad 2.
Page 215 POST Error Messages POST Diagnostic Front Panel LEDs and Audible Codes (Continued) Activity Beeps Possible Cause Recommended Action Red Power LED Pre-video For systems with a graphics card: flashes six times, graphics error. 1. Reseat the graphics card. once every 2.
Page 216 POST Error Messages POST Diagnostic Front Panel LEDs and Audible Codes (Continued) Activity Beeps Possible Cause Recommended Action Red Power LED System powers on 1. Check that the voltage selector, flashes nine times, but is unable to located on the rear of the power once every boot.
Page 217 POST Error Messages POST Diagnostic Front Panel LEDs and Audible Codes (Continued) Activity Beeps Possible Cause Recommended Action System does not None System unable to Press and hold the power button for less power on and power on. than 4 seconds. If the hard drive LED turns LEDs are not green, the power button is working flashing.
Page 218 POST Error Messages C–14 433612-001 Service Reference Guide, dc7700...
Page 219: Preliminary Checklist
Troubleshooting Without Diagnostics Preliminary Checklist This section describes some simple, preliminary tests and guidelines for troubleshooting the computer without using the diagnostics. ■ Are the computer and monitor connected to a working electrical outlet? ■ Is the voltage select switch is set to the appropriate voltage for your region (115V or 230V)? ■...
Page 220: Solving Minor Problems
Troubleshooting Without Diagnostics Solving Minor Problems Solving Minor Problems Problem Cause Possible Solution Computer appears Software control of the 1. Press and hold the power button locked up and will not power switch is not for at least four seconds until the turn off when the power functional.
Page 221 Troubleshooting Without Diagnostics Solving Minor Problems (Continued) Problem Cause Possible Solution Cannot remove Smart Cover Lock, 1. Unlock the Smart Cover Lock computer cover or featured on some using Computer Setup. access panel. computers, is locked. 2. Use the Smart Cover FailSafe Key in case of forgotten password, power loss, or computer malfunction.
Page 222 Troubleshooting Without Diagnostics Solving Minor Problems (Continued) Problem Cause Possible Solution Computer powered off Processor thermal 1. Ensure computer air vents are not automatically and the protection activated: blocked and the cooling fan is Power LED flashes Red running. A fan may be blocked or two times, once every not turning.
Page 223: Solving Power Supply Problems
Troubleshooting Without Diagnostics Solving Power Supply Problems Solving Power Supply Problems Problem Cause Solution Power supply shuts down Voltage selector switch Select the proper AC voltage using intermittently. on rear of computer the selector switch. chassis (some models) is not switched to correct line voltage (1 15V or 230V).
Page 224 Troubleshooting Without Diagnostics Solving Power Supply Problems (Continued) Problem Cause Solution Power LED flashes Red, four Power failure (power 1. Check that the voltage selector times, once every second, supply is overloaded). (some models), is set to the followed by a two second appropriate voltage.
Page 225: Solving Diskette Problems
Troubleshooting Without Diagnostics Solving Diskette Problems Solving Diskette Problems Problem Cause Solution Diskette drive light stays on. Diskette is damaged. In Microsoft Windows XP, right-click Start, click Explore, and select a drive. Select File > Properties > Tools. Under Error-checking, click Check Now.
Page 226 Troubleshooting Without Diagnostics Solving Diskette Problems (Continued) Problem Cause Solution Cannot format diskette. Legacy diskette writes Enter Computer Setup and enable (continued) are disabled in Legacy Diskette Write in Storage > Storage Options. Computer Setup. A problem has occurred The directory structure is In Windows XP, right-click Start, click Explore, and select a drive.
Page 227: Solving Hard Drive Problems
Troubleshooting Without Diagnostics Solving Hard Drive Problems Solving Hard Drive Problems Problem Cause Solution Hard drive error occurs. Hard disk has bad Use a utility to locate and block sectors or has failed. usage of bad sectors. If necessary, reformat the hard disk. In Windows XP, right-click Start, click Explore, and select a drive.
Page 228 Troubleshooting Without Diagnostics Solving Hard Drive Problems (Continued) Problem Cause Solution Nonsystem disk/NTLDR System is trying to start 1. Insert a bootable diskette into missing message from the hard drive, but the diskette drive and restart the (continued) the hard drive may have computer.
Page 229: Solving Media Card Reader Problems
Troubleshooting Without Diagnostics Solving Hard Drive Problems (Continued) Problem Cause Solution Computer will not boot The device is attached Run the Computer Setup utility and from hard drive. to a SATA port that has ensure the device's SATA port is enabled in Storage >...
Page 230 Troubleshooting Without Diagnostics Solving Media Card Reader Problems Unable to access data on The media card is not Ensure that the card is inserted the media card after inserted properly, is properly with the gold contact on inserting it into a slot. inserted in the wrong the correct side.
Page 231: Solving Display Problems
Troubleshooting Without Diagnostics Solving Display Problems Solving Display Problems Problem Cause Solution Blank screen (no video). Monitor is not turned on Turn on the monitor and check that and monitor light is not the monitor light is on. Bad monitor. Try a different monitor.
Page 232 Troubleshooting Without Diagnostics Solving Display Problems (Continued) Problem Cause Solution Blank screen (no video). Monitor settings in the 1. Restart the computer and press (continued) computer are not F8 during startup when you see compatible with the “Press F8” in the bottom right monitor.
Page 233 Troubleshooting Without Diagnostics Solving Display Problems (Continued) Problem Cause Solution Blank screen and the System board failure Replace the system board. power LED flashes Red (ROM detected failure seven times, once every prior to video.) second, followed by a two second pause, and the computer beeps seven times.
Page 234 Troubleshooting Without Diagnostics Solving Display Problems (Continued) Problem Cause Solution Image is not centered. Position may need Press the Menu button to access the adjustment. OSD menu. Select ImageControl/Horizontal Position or VerticalPosition to adjust the horizontal or vertical position of the image. “No Connection, Check Monitor video cable is Connect the video cable between...
Page 235: Solving Audio Problems
Troubleshooting Without Diagnostics Solving Display Problems (Continued) Problem Cause Solution Certain typed symbols do The font you are using Use the Character Map to locate the not appear correct. does not support that and select the appropriate symbol. Click Start > All Programs > particular symbol.
Page 236 Troubleshooting Without Diagnostics Solving Audio Problems (Continued) Problem Cause Solution Sound does not come External speakers See the sound card documentation out of the speaker or plugged into the wrong for proper speaker connection. headphones. audio jack. (continued) Digital CD audio is not Enable digital CD audio: enabled.
Page 237: Solving Printer Problems
Troubleshooting Without Diagnostics Solving Audio Problems (Continued) Problem Cause Solution Computer appears to be The hard disk may be Before recording, make sure there is locked up while recording full. enough free space on the hard disk. audio. You can also try recording the audio file in a compressed format.
Page 238: Solving Keyboard And Mouse Problems
Troubleshooting Without Diagnostics Solving Keyboard and Mouse Problems Solving Keyboard and Mouse Problems Problem Cause Solution Keyboard commands and Keyboard connector 1. On the Windows Desktop, click Start. typing are not recognized is not properly by the computer. connected. 2. Click Shut Down. The Shut Down Windows dialog box is displayed.
Page 239 Troubleshooting Without Diagnostics Solving Keyboard and Mouse Problems (Continued) Problem Cause Solution 1. Press Ctrl and Esc at the same Mouse does not respond to Mouse connector is movement or is too slow. not properly plugged time (or press the Windows logo key) to display the Start into the back of the computer.
Page 240: Solving Hardware Installation Problems
Troubleshooting Without Diagnostics Solving Hardware Installation Problems You may need to reconfigure the computer when you add or remove hardware, such as an additional diskette drive. If you install a plug and play device, Windows XP automatically recognizes the device and configures the computer. If you install a non–plug and play device, you must reconfigure the computer after completing installation of the new hardware.
Page 241 Troubleshooting Without Diagnostics Solving Hardware Installation Problems (Continued) Problem Cause Solution Computer will not start. Wrong memory 1. Review the documentation that modules were used in came with the system to the upgrade or memory determine if you are using the modules were installed correct memory modules and to in the wrong location.
Page 242: Solving Network Problems
Troubleshooting Without Diagnostics Solving Network Problems These guidelines do not discuss the process of debugging the network cabling. Solving Network Problems Problem Cause Solution Wake-on-LAN feature is Wake-on-LAN is not Enable Wake-on-LAN. not functioning. enabled. 1. Select Start > Control Panel.
Page 243 Troubleshooting Without Diagnostics Solving Network Problems (Continued) Problem Cause Solution Diagnostics reports a The cable is not securely Ensure that the cable is securely failure. connected. attached to the network connector and that the other end of the cable is securely attached to the correct device.
Page 244 Troubleshooting Without Diagnostics Solving Network Problems (Continued) Problem Cause Solution Network controller stops The network controller is Replace the system board. working without apparent defective. cause. (continued) New network card will New network card may be Install a working, industry-standard not boot.
Page 245: Solving Memory Problems
Troubleshooting Without Diagnostics Solving Memory Problems Ä CAUTION: Power may still be supplied to the DIMMs when the computer is turned off (depending on the Management Engine (ME) settings). To avoid damage to the DIMMs or the system board, you must unplug the computer power cord before attempting to reseat, install, or remove a DIMM module.
Page 246: Solving Processor Problems
Troubleshooting Without Diagnostics Solving Memory Problems (Continued) Problem Cause Solution Power LED flashes Red five Memory is installed 1. Reseat DIMMs. Power on the times, once every second, incorrectly or is bad. system. followed by a two second 2. Replace DIMMs one at a time to pause, and the computer isolate the faulty module.
Page 247: Solving Cd-Rom And Dvd Problems
Troubleshooting Without Diagnostics Solving CD-ROM and DVD Problems Solving CD-ROM and DVD Problems Problem Cause Solution System will not boot from The device is attached Run the Computer Setup utility and CD-ROM or DVD drive. to a SATA port that has ensure the device's SATA port is enabled in Storage >...
Page 248 Troubleshooting Without Diagnostics Solving CD-ROM and DVD Problems (Continued) Problem Cause Solution Movie will not play in the Movie may be See the documentation that came DVD drive. regionalized for a with the DVD drive. different country. Decoder software is not Install decoder software.
Page 249: Solving Drive Key Problems
Troubleshooting Without Diagnostics Solving Drive Key Problems Solving Drive Key Problems Problem Cause Solution Drive Key is not seen as a The drive letter after the Change the default drive letter for drive letter in Windows XP. last physical drive is not the Drive Key in Windows XP.
Page 250: Solving Front Panel Component Problems
Troubleshooting Without Diagnostics Solving Front Panel Component Problems Solving Front Panel Component Problems Problem Cause Solution A USB device, headphone, It is not properly 1. Turn off the computer. or microphone is not connected. 2. Reconnect the device to the front of recognized by the the computer and restart the computer.
Page 251: Solving Internet Access Problems
Troubleshooting Without Diagnostics Solving Internet Access Problems Solving Internet Access Problems Problem Cause Solution Unable to connect to the Internet Service Provider Verify Internet settings or contact the Internet. (ISP) account is not set ISP for assistance. up properly. Modem is not set up Reconnect the modem.
Page 252 Troubleshooting Without Diagnostics Solving Internet Access Problems (Continued) Problem Cause Solution Internet takes too long to Modem is not set up Verify that the correct modem speed download Web sites. properly. and COM port are selected. For Windows XP 1. Select Start > Control Panel.
Page 253: Solving Software Problems
Troubleshooting Without Diagnostics Solving Internet Access Problems (Continued) Problem Cause Solution 8. Under Device usage, verify Internet takes too long to Modem is not set up download Web sites. properly. the modem is enabled. (continued) (continued) 9. If there are further problems, click the Troubleshoot button and follow the on-screen instructions.
Page 254 Troubleshooting Without Diagnostics D–36 433612-001 Service Reference Guide, dc7700...
Page 255 System Board and Riser Board Reference Designators These reference designators are used on most but not all HP system and riser boards. Designator Component Battery socket/Battery LED - 5V_Aux (on) Health-LED UID LED Power LED CR35 Hard drive activity LED Boot block header/jumper Boot block recovery header ROM recovery header...
Page 256 System Board and Riser Board Reference Designators Designator Component (Continued) Stacked mouse (Top)/keyboard (Bottom) connector Video connector, VGA Primary single USB connector Secondary single USB port Microphone jack Line-in jack Line-out jack Headphone jack Volume control Double-stacked headphone (Bottom)/microphone (Top) connector Double-stacked line-in (Top)/line-out (Bottom) connector Stacked serial/audio connector Primary double-stack USB, Top = Port 2, Bottom = Port 1...
Page 257 System Board and Riser Board Reference Designators Designator Component (Continued) Header for front panel audio Header for front panel USB Internal USB connector 1 Internal USB connector 2 MultiBay header SCSI LED connector PCI extender slot (female) Blade PC graphics connector (outboard) Blade PC graphics connector (inboard) Second serial port Primary serial port...
Page 258 System Board and Riser Board Reference Designators Designator Component (Continued) Clock chip 64 bit Bridge LOM1 U1 1 LOM1 EEPROM LOM1 PHY Audio Codec Audio amplifier LOM2 LOM2 EEPROM LOM2 PHY SPI ROM - SOIC-8 footprint Fan controller SPI ROM - SO16 footprint TMDS controller Parallel port diode array First serial port transceiver...
Page 259: Dimm Sockets
Memory The dx7300 and dc7700 series computers with Intel-based processors come with double data rate 2 synchronous dynamic random access memory (DDR2-SDRAM) dual inline memory modules (DIMMs). Ä CAUTION: DDR and DDR2 memory modules are not interchangeable. DDR2-SDRAM DIMMs The memory sockets on the system board can be populated with up to four industry-standard DIMMs.
Page 260 Memory The system board shown may differ from the one in your product. Item Description Socket Color DIMM socket XMM1, Channel A Black DIMM socket XMM2, Channel A White DIMM socket XMM3, Channel B White DIMM socket XMM4, Channel B White The system will automatically operate in single channel mode, dual channel mode, or flex mode, depending on how the DIMMs are installed.
Page 261 Index 4-pin power pin assignments A–6 SFF 7–10 24-pin MicroFit power pin assignments A–6 USDT 8–11 24-pin power pin assignments A–6 cable pinouts 6-pin power pin assignments A–7 SATA data 4–2 SATA power 4–2 cautions access panel AC power 5–1 CMT removal and replacement 6–5 adding devices 1–1 USDT removal and replacement 8–4...
Page 262 Index cable lock removal and replacement 6–4 overview 2–2 cable management 6–9 Security menu 2–8 chassis fan removal and replacement 6–36 Storage menu 2–5 chassis, illustrated 5–1 configuration settings, recovering 2–14 desktop to minitower conversion 6–39 configuring power button 3–15 disassembly preparation 6–1 connections diskette drive bezel removal and replacement...
Page 263 Index SFF, external, removal and replacement 7–25 USDT hard drive removal and replacement FailSafe key 3–25 8–18 CMT 6–2 USDT optical drive removal and replacement SFF 7–2 8–5 fan shroud, SFF removal and replacement 7–30 drive bezel fan, power supply 5–7 CMT removal and replacement 6–7 Fault Notification and Recovery 3–26 SFF removal and replacement 7–8...
Page 264 Index USDT removal and replacement 8–5 overheating, prevention 5–5 image deployment methods 3–1 infrared (IR) transceiver, external, pin assignments A–4 padlock initial configuration 3–1 CMT 6–4 Insight Diagnostics 2–14 2–18 SFF 7–6 Intel Active Management Technology 3–7 USDT 8–3 parallel interface pin assignments A–2 partition, hard drive 4–3 key, FailSafe 3–25 password...
Page 265 Index problems, solving CMT expansion slot cover 6–13 6–16 audio D–17 CMT front bezel 6–6 CD-ROM and DVD drives D–29 CMT front I/O device 6–26 diskette D–7 CMT hard drive 6–20 display D–13 CMT hard drive cable 6–20 drive key D–31 CMT heatsink 6–33 front panel components D–32 CMT hood sensor 6–3...
Page 266 Index USDT front bezel 8–7 setting 3–19 USDT front I/O device 8–20 setup, Windows 1–1 USDT hard drive 8–18 USDT heatsink assembly 8–21 backwall removal and replacement 7–17 USDT memory 8–13 battery removal and replacement 7–45 USDT optical drive 8–5 bezel insert removal and replacement 7–8 USDT padlock 8–3 cable connections 7–11...
Page 267 Index SFF removal and replacement 7–2 unlocking 3–25 tamper-proof screws Smart Cover Sensor CMT 6–2 protection levels 3–24 SFF 7–2 setting 3–24 tool 5–7 software temperature control 5–5 Altiris Deployment Solution Agent 3–2 thermal sensor 3–26 asset tracking 3–16 tools, servicing 5–7 Boot Block Emergency Recovery Mode 3–10 Torx T-15 screwdriver 5–7 Computer Setup Utilities 2–1...
Page 268 Index Proactive Change Notification (PCN) 3–8 Remote ROM BIOS Flash 3–9 ventilation, proper 5–5 replicating setup 3–12 replicating setup, BIOS utility 3–12 Wake-on-LAN feature D–24 Restore Plus! CD 1–2 Web sites ROM BIOS Flash 3–9 HP Client Foundation Suite 3–5 Subscriber’s Choice 3–9 HP Client Management Premium Suite 3–5 support software 3–16...

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Dc72 - blade workstation client

Compaq dc7700 - Convertible Minitower PC Service & Reference Manual

1 Installing the Operating System

2 Setup Utilities and Diagnostics Features

3 Desktop Management

4 Serial and Parallel ATA Drive Guidelines and Features

5 Identifying the Chassis, Routine Care, and Disassembly Preparation

6 Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis

7 Removal and Replacement Procedures-Small Form Factor (SFF) Chassis

8 Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis

Connector Pin Assignments

B Power Cord Set Requirements

POST Error Messages

Quick Links

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Summary of Contents for Compaq dc7700 - Convertible Minitower PC