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HP Compaq dx7200 MT Reference Manual

Business pc 1st edition
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Table of Contents
service reference guide
HP Compaq Business PC dx7200 Series
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.
Document Part Number 390812-001

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Table of Contents
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  Summary of Contents for HP Compaq dx7200 MT

  • Page 1 HP Compaq Business PC dx7200 Series 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 Business PC dx7200 Series 1st Edition Document Part Number: 390812-001 July 2005...
  • Page 4 UNIX is a registered trademark of The Open Group. The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. HP shall not be liable for technical or editorial errors or omissions contained herein.
  • Page 5: Table Of Contents

    3.3.3 HP Client Management Solutions using Altiris ....... . . 3–4...
  • Page 6 3.5.6 Cable Lock Provision ........... . 3–24 3.5.7 TPM Embedded Security Chip and HP ProtectTools Security Manager... . . 3–24 3.6 Fault Notification and Recovery .
  • Page 7 5.4 Routine Care ..............5–5 5.4.1 General Cleaning Safety Precautions .
  • Page 8 Contents 7 Removal and Replacement Procedures— Slim Tower (ST) Chassis 7.1 Preparation for Disassembly ........... . 7–1 7.2 Unlocking the Smart Cover Lock .
  • Page 9: Installing The Operating System

    If the computer has an optical CD-RW drive, install the appropriate application to be able to write to the drive. To install the application, double-click the Setup Software icon on the desktop or the application launcher and select the Easy CD Creator and Direct CD option when prompted.
  • Page 10: Transferring Files And Settings

    HP Software The Microsoft Windows XP Professional operating system is preinstalled on the computer and will be configured automatically the first time the computer is turned on. The following HP software may also be installed at that time on selected models: ■...
  • Page 11 ■ Support Software CD www.hp.com ■ HP Web site at ■ Restore Plus! CD, which is supplied with many HP models ✎ Additional HP software may be required in certain situations. Service Reference Guide, dx7200 Installing the Operating System 390812-001...
  • Page 12 Installing the Operating System 1–4 390812-001 Service Reference Guide, dx7200...
  • Page 13: Setup Utilities And Diagnostics Features

    Establish and manage energy-saving timeouts. ✎ All features identified in this chapter may not be available on all HP products. Power-On Self-Test (POST) POST is a series of diagnostic tests that runs automatically when the system is turned on. POST checks the following items to ensure that the computer system is functioning properly: ■...
  • 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

    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 File System Information About Set Time and Date Flash System ROM Replicated Setup Default Setup Apply Defaults and Exit Ignore Changes and Exit Save Changes and Exit ✎ Support for specific Computer Setup options may vary depending on the hardware configuration. 2–4 Description Lists:...
  • Page 17 Heading Option Storage Device Configuration ✎ Support for specific Computer Setup options may vary depending on the hardware configuration. Service Reference Guide, dx7200 Description Lists all installed BIOS-controlled storage devices. When a device is selected, detailed information and options are displayed.
  • Page 18 Setup Utilities and Diagnostics Features Heading Option Storage Device (continued) Configuration (continued) Storage Options ✎ Support for specific Computer Setup options may vary depending on the hardware configuration. 2–6 Description Default Values IDE/SATA If selected, this option allows you to specify the default values for the Multisector Transfers, Transfer Mode, and Translation Mode for ATA devices.
  • Page 19 Heading Option Storage Storage Options (continued) (continued) DPS Self-Test ✎ Support for specific Computer Setup options may vary depending on the hardware configuration. Service Reference Guide, dx7200 Description BIOS DMA Data Transfers Allows you to control how BIOS device I/O requests are serviced. When “Enable”...
  • Page 20 Setup Utilities and Diagnostics Features Heading Option Storage Boot Order (continued) Security Smart Card Options Setup Password Power-On Password Password Options (This selection will appear only if a power-on password is set.) Smart Cover ✎ Support for specific Computer Setup options may vary depending on the hardware configuration. 2–8 Description Allows you to:...
  • Page 21 Heading Option Security Embedded (continued) Security Device Security Network Service Boot System IDs DriveLock Security OS Security ✎ Support for specific Computer Setup options may vary depending on the hardware configuration. Service Reference Guide, dx7200 Description Allows you to: • Enable/disable the Embedded Security device. •...
  • Page 22 Setup Utilities and Diagnostics Features Heading Option Security Data Execution Prevention (continued) Power OS Power Management Hardware Power Management Thermal ✎ Support for specific Computer Setup options may vary depending on the hardware configuration. 2–10 Description Enable/Disable. Data Execution Prevention Mode help prevent OS security breaches. ✎...
  • Page 23 Heading Option Advanced* Power-On Options *For advanced users only ✎ Support for specific Computer Setup options may vary depending on the hardware configuration. Service Reference Guide, dx7200 Description Allows you to set: • POST mode (QuickBoot, FullBoot, or FullBoot every 1-30 days). •...
  • Page 24 Setup Utilities and Diagnostics Features Heading Option Advanced* Power-On Options (continued) (continued) *For advanced users only Execute Memory Test BIOS Power-On Onboard Devices PCI Devices PCI VGA Configuration Bus Options ✎ Support for specific Computer Setup options may vary depending on the hardware configuration. 2–12 Description Allows you to set: (continued)
  • Page 25 Heading Option Advanced* Device options (continued) *For advanced users only PCI VGA Configuration ✎ Support for specific Computer Setup options may vary depending on the hardware configuration. Service Reference Guide, dx7200 Description Allows you to set: • Printer mode (bi-directional, EPP & ECP, output only). •...
  • Page 26: Recovering The Configuration Settings

    The utility simplifies the process of effectively identifying, diagnosing, and isolating hardware issues. The Survey tab is displayed when you invoke HP Insight Diagnostics. This tab shows the current configuration of the computer. From the Survey tab, there is access to several categories of information about the computer.
  • Page 27: Survey Tab

    It is recommended that you accept the assigned default keyboard for your language unless you want to test your specific keyboard. 6. In the End User License Agreement page, click Agree if you agree with the terms. The HP Insight Diagnostics utility launches with the Survey tab displayed.
  • Page 28: Test Tab

    Setup Utilities and Diagnostics Features 2.3.3 Test Tab The Test tab allows you to choose various parts of the system to test. You can also choose the type of test and testing mode. There are two test modes to choose from: ■...
  • Page 29: Status Tab

    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 30: Downloading The Latest Version Of Hp Insight Diagnostics

    5. Print the information from the storage device used to save it. ✎ To exit HP Insight Diagnostics, click Exit in the upper right corner of the screen then remove the Documentation and Diagnostics CD from the optical drive. 2.3.7 Downloading the Latest Version of HP Insight Diagnostics www.hp.com...
  • Page 31: Desktop Management

    Support for specific features described in this guide may vary by model or software version. Initial Configuration and Deployment HP computers come with a preinstalled system software image. After a brief software “unbundling” process, the computer is ready to be used.
  • Page 32: Altiris Deployment Solution Agent

    Configuring the system BIOS settings. To initiate Remote System Installation, press message appears in the lower-right corner of the HP logo screen. Follow the instructions on the screen to continue the process. The default boot order is a BIOS configuration setting that can be changed to always attempt to PXE boot.
  • Page 33: Software Updating And Management

    HP System Software Manager (SSM) is a free utility that automates remote deployment of device drivers and BIOS updates for networked HP business PCs. When SSM runs, it silently (without user interaction) determines the revision levels of drivers and BIOS installed on each networked client system and compares this inventory against system software SoftPaqs that have been tested and stored in a central file store.
  • Page 34: Hp Client Management Solutions Using Altiris

    For more information on HP Client Management Solutions using Altiris, visit www.hp.com/go/easydeploy HP and Altiris have a unique alliance that extends beyond sales and marketing to include joint development and technology sharing that spans HP Client, Server, OpenView, and Services groups to provide best-of-breed solutions for HP partners and customers.
  • Page 35: Hp Local Recovery

    System backup and disaster recovery is now easy for all users regardless of connectivity. Local Recovery is available for free with HP business PCs. Two additional client recovery products are also available. Upgrading to these products provides you with additional recovery features: ■...
  • Page 36: Proactive Change Notification

    HP Client Management Solutions, HP Systems Insight Manager, and Microsoft's implementation of CIM, known as Windows Management Instrumentation (WMI), the HP Insight Management Agent is no longer being provided on new HP commercial desktop, workstation, and notebook models introduced after January 1, 2004.
  • Page 37: Rom Flash

    Enabling the system administrator to perform this task remotely on multiple computers results in a consistent deployment of, and greater control over, HP PC BIOS images over the network. It also results in greater productivity and lower total cost of ownership.
  • Page 38: Replicating The Setup

    For more information on HP Client Manger and SSM, visit ✎ Both procedures require a diskette drive or a supported USB flash media device, such as an HP Drive Key. Copying to Single Computer CAUTION: A setup configuration is model-specific.
  • Page 39: Copying To Multiple Computers

    For example, do not copy the setup configuration from a dc7nnn Ultra-Slim Desktop to a dx6nnn Slim Tower. This method takes a little longer to prepare the configuration diskette or USB flash media device, but copying the configuration to target computers is significantly faster.
  • Page 40: 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 41: Unsupported Usb Flash Media Device

    CAUTION: The power cord MUST be unplugged. Ä 2. Open the computer and remove the PCI cards. Service Reference Guide, dx7200 SYS x: where x represents the drive letter noted above. FORMAT /S X: where X represents the drive letter noted before. 390812-001 Desktop Management 3–11...
  • Page 42 Desktop Management 3. Insert the USB flash media device into one of the computer's USB ports and remove all other USB storage devices except USB diskette drives. Close the computer cover. 4. Plug in the power cord and turn on the computer.
  • Page 43: Dual-State Power Button

    HP has made the task of locating, accessing, evaluating, and installing the latest support software easier. You can download the software from the latest device drivers, utilities, and flashable ROM images needed to run the latest Microsoft Windows operating system on the HP computer.
  • Page 44: Asset Tracking And Security

    (For more information, refer to the HP ProtectTools Security Manager Guide at features such as HP Embedded Security for ProtectTools, the Smart Cover Sensor and the Smart Cover Lock, available on some models, help to prevent unauthorized access to the internal components of the personal computer.
  • Page 45 (These ID numbers are normally set in the factory and are used to uniquely identify the system.) • Keyboard locale setting (for example, English or German) for System ID entry. 390812-001 Desktop Management 3–15...
  • Page 46 Desktop Management Computer Setup Utilities (F10) Security Features (Continued) Feature DriveLock (some models) OS Security (some models) Data Execution Prevention (some models) ✎ For more information about Computer Setup, see the Computer Setup (F10) Utility Guide. Support for security features may vary depending on your specific computer configuration.
  • Page 47: Password Security

    3.5.2 Establishing a Setup Password Using Computer Setup If the system is equipped with an embedded security device, refer to the HP ProtectTools Security Manager Guide at prevents modification of the computer (use of the Computer Setup (F10) utility) until the password is entered.
  • Page 48: Establishing A Power-On Password Using Computer Setup

    Entering a Setup Password If the system is equipped with an embedded security device, refer to the HP ProtectTools Security Manager Guide at If a setup password has been established on the computer, you will be prompted to enter it each time you run Computer Setup.
  • Page 49: Changing A Power-On Or Setup Password

    Changing a Power-On or Setup Password If the system is equipped with an embedded security device, refer to the HP ProtectTools Security Manager Guide at 1.
  • Page 50: Drivelock

    If you forget the password, you cannot access the computer. Refer to the Troubleshooting Guide on the Documentation and Diagnostics CD for instructions on clearing passwords. If the system is equiped with an embedded security device, refer to the HP ProtectTools Security www.hp.com Manager Guide at 3.5.4 DriveLock...
  • Page 51: Using Drivelock

    DriveLock. Since the initial configuration of DriveLock is typically performed by a system administrator, a master password should be set first. HP encourages system administrators to set a master password whether they plan to enable DriveLock or keep it disabled.
  • Page 52: Smart Cover Sensor

    4. Before exiting, select File > Save Changes and Exit. Smart Cover Lock The Smart Cover Lock is a software-controllable cover lock featured on some HP computers. This lock prevents unauthorized access to the internal components. Computers ship with the Smart Cover Lock in the unlocked position.
  • Page 53: Locking The Smart Cover Lock

    PC component failure (such as processor or power supply) ■ Forgotten password CAUTION: The Smart Cover FailSafe Key is a specialized tool available from HP. Be prepared; order Ä this key before you need one (Tamper-resistant wrench PN 166527-001 or tamper-resistant bits PN 166527-002).
  • Page 54: Cable Lock Provision

    If the computer is connected to a network managed by HP Client Manager, the computer sends a fault notice to the network management application. With HP Client Manager, you can also remotely schedule diagnostics to automatically run on all managed PCs and create a summary report of failed tests.
  • Page 55: Sata 1.5 And 3.0 Hard Drives

    ✎ Serial ATA = SATA Parallel ATA = PATA HP only supports the use of a MultiBay PATA (IDE) hard drive on this model of computer. 3.5-inch PATA hard drives are not supported. SATA 1.5 and 3.0 Hard Drives Serial ATA Hard Drive Characteristics...
  • Page 56: Sata Hard Drive Cables

    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 1.5 Gb/s or 3.0 Gb/s hard drives.
  • Page 57: Pata Device Information

    4.3 PATA Device Information This information applies to optical drives in a computer having one or two SATA drive controllers and a single PATA drive controller. Only a MultiBay PATA hard drive is supported on these computers. No other PATA hard drives are supported on these models.
  • Page 58: Pata Power Cable

    Serial and Parallel ATA Drive Guidelines and Features 4.4.2 PATA Power Cable Usage +12 V Ground Ground +5 V 4.5 PATA Drive Installation Guidelines The computer system boards for these products have one Parallel ATA (PATA) channel with a single connector. The channel can have up to two devices attached to it. All drives are connected to the channel using an industry-standard 80-conductor cable.
  • Page 59: Sata Smart Drives

    4.6 SATA SMART Drives The Self Monitoring Analysis and Recording Technology (SMART) SATA 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. The SMART drive tracks fault prediction and failure indication parameters such as reallocated sector count, spin retry count, and calibration retry count.
  • Page 60: Legacy Mode

    Serial and Parallel ATA Drive Guidelines and Features 4.8.1 Legacy Mode The Legacy mode is used to access devices attached to an embedded ATA controller. Each channel of the controller requires two fixed I/O address ranges and an IRQ. ■ Primary Channel ❏...
  • Page 61: Mixed Devices Boot And Drive Letter Ordering

    4.9 Mixed Devices Boot and Drive Letter Ordering SATA Emulation Separate IDE Controller (default). Used with Windows 2000 and XP. Separate IDE Controller. Used with Windows 2000 and XP. Combined with IDE Controller. Used with Windows 9x, NT, and Linux. Combined with IDE Controller.
  • Page 62 Serial and Parallel ATA Drive Guidelines and Features 4–8 390812-001 Service Reference Guide, dx7200...
  • Page 63: Identifying The Chassis, Routine Care, And Disassembly Preparation

    Identifying the Chassis, Routine Care, and 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 64: Slim Tower (St)

    Identifying the Chassis, Routine Care, and Disassembly Preparation 5.1.2 Slim Tower (ST) 5–2 390812-001 Service Reference Guide, dx7200...
  • Page 65: Electrostatic Discharge Information

    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. An electronic device exposed to electrostatic discharge (ESD) may not appear to be affected at all and can work perfectly throughout a normal cycle.
  • Page 66: 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 67: Operating Guidelines

    ■ Never restrict the airflow into the computer by blocking any vents or air intakes. Do not place the keyboard, with the keyboard feet down, directly against the front of the desktop unit as this also restricts airflow. ■...
  • Page 68: Cleaning The Computer Case

    Identifying the Chassis, Routine Care, and Disassembly Preparation 4. Always unplug the computer before cleaning the keyboard, mouse, or air vents. 5. Disconnect the keyboard before cleaning it. 6. Wear safety glasses equipped with side shields when cleaning the keyboard. 5.4.2 Cleaning the Computer Case Follow all safety precautions in To clean the computer case, follow the procedures described below:...
  • Page 69: Cleaning The Monitor

    Phillips #2 screwdriver ■ Diagnostics software ■ HP tamper-resistant T-15 wrench (Smart Cover FailSafe Key, PN 166527-001) or HP tamper-resistant bits (Smart Cover FailSafe Key, PN 166527-002) Service Reference Guide, dx7200 Identifying the Chassis, Routine Care, and Disassembly Preparation Section 5.4.2.
  • Page 70: Screws

    If an incorrect screw is used during the reassembly process, it can damage the unit. HP strongly recommends that all screws removed during disassembly be kept with the part that was removed, then returned to their proper locations.
  • Page 71: Lithium Coin Cell Battery

    Batteries, battery packs, and accumulators should not be disposed of together with the general household waste. In order to forward them to recycling or proper disposal, please use the public collection system or return them to HP, their authorized partners, or their agents. Service Reference Guide, dx7200...
  • Page 72 Identifying the Chassis, Routine Care, and Disassembly Preparation 5–10 390812-001 Service Reference Guide, dx7200...
  • Page 73: Removal And Replacement Procedures-Microtower (Mt) Chassis

    Removal and Replacement Procedures— 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. ✎ Not all features listed in this guide are available on all computers. Preparation for Disassembly Chapter 5, “Identifying the Chassis, Routine Care, and Disassembly Preparation”...
  • Page 74: External Security Devices

    Removal and Replacement Procedures— Microtower (MT) Chassis 6.2 External Security Devices 6.2.1 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. Insert the cable lock in the location shown below.
  • Page 75: Installing A Padlock

    6.2.2 Installing a Padlock A padlock may be used by itself to secure the access panel to the computer chassis. A padlock may also be used with a security cable to secure the computer to a fixed object. Service Reference Guide, dx7200 Removal and Replacement Procedures—...
  • Page 76: Access Panel

    Removal and Replacement Procedures— Microtower (MT) Chassis 6.3 Access Panel 1. Prepare the computer for disassembly 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 77: Front Bezel

    6.4 Front Bezel 1. Prepare the computer for disassembly 2. Remove the access panel 3. To remove the front bezel, press in on the two bottom tabs on the left side of the bezel 1 so that they release from the chassis. Then press in on the upper tab on the left side of the bezel so that it releases from the chassis.
  • Page 78 Removal and Replacement Procedures— Microtower (MT) Chassis To reinstall the front bezel: 1. Position the chassis in the upright position. 2. Insert the hooks on the right side of the bezel into the rectangular holes on the chassis 1 then rotate the bezel into place 2 so that the three tabs on the left side of the bezel and the single tab on the upper right corner of the bezel snap into the slots on the chassis.
  • Page 79: Front Drive Bezels

    6.5 Front Drive Bezels Follow these steps before removing or installing a front drive bezel. 1. Prepare the computer for disassembly 2. Remove the access panel 3. Remove the front bezel 6.5.1 5.25" Drive Bezel Blank Press the two retaining tabs on the inside of the large bezel towards the outside of the bezel to release the bezel blank 1.
  • Page 80: Diskette Drive Bezel

    Removal and Replacement Procedures— Microtower (MT) Chassis 6.5.2 Diskette Drive Bezel Press the two upper 1 or the two lower 2 tabs for the diskette drive bezel towards the center of the drive bezel and push the bezel out to remove it from the front bezel. To install a bezel or a bezel blank, reverse the removal procedure.
  • Page 81: Cable Management

    6.6 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 82: Memory

    Removal and Replacement Procedures— Microtower (MT) Chassis 6.7 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. CAUTION: Static electricity can damage the electronic components of the computer or optional cards.
  • Page 83: Expansion Cards

    ✎ The computer automatically recognizes the additional memory when the computer is turned on. To reassemble the computer, reverse the removal procedure. 6.8 Expansion Cards 1. Prepare the computer for disassembly 2. Remove the access panel and rotate the computer so the system board is parallel to the table to make it easier to work on 3.
  • Page 84: Expansion Cards

    Removal and Replacement Procedures— Microtower (MT) Chassis 4. Before installing an expansion card, remove the expansion slot cover or the existing expansion card. ✎ Before removing an installed expansion card, disconnect any cables that may be attached to the expansion card. a.
  • Page 85 c. If removing a PCI Express x16 card, pull the retention arm on the back of the expansion socket away from the card and carefully rock the card back and forth until the connectors pull free from the socket. Pull the expansion card straight up from the socket then away from the inside of the chassis to release it from the chassis frame.
  • Page 86 Removal and Replacement Procedures— Microtower (MT) Chassis 6. If replacing or adding a new expansion card, hold the card just above the expansion slot on the system board then move the card toward the rear of the chassis 1 so that the bracket on the card is aligned with the open slot on the rear of the chassis.
  • Page 87: Drives

    CAUTION: Make sure personal files on the hard drive are backed up to an external storage device before removing the hard drive. Failure to do so will result in data loss. After replacing the primary hard drive, you will need to run the Restore Plus! CD to load the HP factory-installed files. 6.9.1 Drive Positions...
  • Page 88: Removing A Drive

    Removal and Replacement Procedures— Microtower (MT) Chassis 6.9.2 Removing a Drive 1. Remove any removable media, such as a compact disc or diskette, from the drive. 2. Prepare the computer for disassembly 3. Remove the access panel and rotate the computer so the system board is parallel to the table to make it easier to work on 4.
  • Page 89: Releasing The Drives

    Disconnecting Hard Drive Cables ✎ Some products use straight cable connectors while others use right angle connectors. Releasing the Drives 6. A latch drive bracket with release tabs secures the drives in the drive bay. Lift the release tab on the latch drive bracket 1 for the drive you want to remove, then slide the drive from its drive bay 2.
  • Page 90: Installing A Drive

    Removal and Replacement Procedures— Microtower (MT) Chassis 6.9.3 Installing a 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— Microtower (MT) Chassis 3. Reconnect the power and data cables to the drive as shown in the following illustrations. ✎ Refer to Chapter 4, “Serial and Parallel ATA Drive Guidelines and Features” for information on attaching the cabling to get optimum performance. Connecting Optical Drive Cables Connecting Diskette Drive Cables Service Reference Guide, dx7200...
  • Page 92 Removal and Replacement Procedures— Microtower (MT) Chassis Connecting Hard Drive Cables ✎ Some products use straight cable connectors while others use right angle connectors. 4. Install the front bezel 5. Install the access panel 6. Turn on the computer. ✎ If you replaced the primary hard drive, the Restore Plus! CD may be used to restore the operating system, software drivers, and/or any software applications that were preinstalled on the computer.
  • Page 93: Chassis Fan

    6.10 Chassis Fan 1. Prepare the computer for disassembly 2. Remove the access panel and rotate the computer so the system board is parallel to the table to make it easier to work on 3. Disconnect the power cable that connects the chassis fan to the system board 1. 4.
  • Page 94: Front I/O Panel Housing Assembly

    Removal and Replacement Procedures— Microtower (MT) Chassis 6.11 Front I/O Panel Housing Assembly 1. Prepare the computer for disassembly 2. Remove the access panel and rotate the computer so the system board is parallel to the table to make it easier to work on 3.
  • Page 95: Front I/O Devices

    6.12 Front I/O Devices 1. Prepare the computer for disassembly 2. Remove the access panel and rotate the computer so the system board is parallel to the table to make it easier to work on 3. Remove the front I/O panel assembly 4.
  • Page 96: Power Switch Assembly

    Removal and Replacement Procedures— Microtower (MT) Chassis 6.13 Power Switch Assembly 1. Prepare the computer for disassembly 2. Remove the access panel and rotate the computer so the system board is parallel to the table to make it easier to work on 3.
  • Page 97: Heatsink

    6.14 Heatsink 1. Prepare the computer for disassembly 2. Remove the access panel and rotate the computer so the system board is parallel to the table to make it easier to work on 3. Disconnect the heatsink fan cable from the system board. 4.
  • Page 98: Processor

    Removal and Replacement Procedures— Microtower (MT) Chassis 6.15 Processor 1. Prepare the computer for disassembly 2. Remove the computer cover 3. Disconnect the heatsink control cable from the system board and remove the heatsink (Section 6.14). 4. Rotate the locking lever to its full open position 1. 5.
  • Page 99 After installing a new processor onto the system board, always update the system ROM to ensure that the latest version of the BIOS is being used on the computer. The latest system BIOS can be http://h18000.www1.hp.com/support/files found on the Web at: Service Reference Guide, dx7200 Removal and Replacement Procedures—...
  • Page 100: Speaker

    Removal and Replacement Procedures— Microtower (MT) Chassis 6.16 Speaker 1. Prepare the computer for disassembly 2. Remove the access panel and rotate the computer so the system board is parallel to the table to make it easier to work on 3.
  • Page 101: Power Supply

    6.17 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. 1.
  • Page 102 Removal and Replacement Procedures— Microtower (MT) Chassis 5. Pull the power supply towards the front of the chassis while depressing the two sets of retaining clips 1 to allow the power supply to move far enough to lift it from the chassis 2. To install the power supply, reverse the removal procedure.
  • Page 103: System Board

    6.18 System Board 1. Prepare the computer for disassembly 2. Remove the access panel and rotate the computer so the system board is parallel to the table to make it easier to work on 3. Remove all PCI and PCI Express expansion boards 4.
  • Page 104: Battery

    In order to forward them to recycling or proper disposal, please use the public collection system or return them to HP, their authorized partners, or their agents. CAUTION: Static electricity can damage the electronic components of the computer or optional Ä...
  • Page 105: 1Type 1 Battery Holder

    6.19.1 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. Replace the computer access panel 5.
  • Page 106: 2Type 2 Battery Holder

    Removal and Replacement Procedures— Microtower (MT) Chassis 6.19.2 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 1. 2.
  • Page 107: Type 3 Battery Holder

    6.19.3 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. Replace the computer access panel 4.
  • Page 108 Removal and Replacement Procedures— Microtower (MT) Chassis 6–36 390812-001 Service Reference Guide, dx7200...
  • Page 109: Preparation For Disassembly

    Removal and Replacement Procedures— 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. ✎ Not all features listed in this guide are available on all computers. Preparation for Disassembly Chapter 5, “Identifying the Chassis, Routine Care, and Disassembly safety procedures.
  • Page 110 Removal and Replacement Procedures— Slim Tower (ST) Chassis 8. Lift the computer off the stand. 9. Lay the computer on its side (with the computer cover facing up) before removing the computer cover and installing hardware. 7–2 390812-001 Service Reference Guide, dx7200...
  • Page 111: Unlocking The Smart Cover Lock

    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 112 Removal and Replacement Procedures— Slim Tower (ST) 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 113: Hood Sensor

    Hood Sensor 1. Prepare the computer for disassembly 2. Remove the computer cover 3. Remove the special security clip cage. 4. Raise the power supply to its full upright position. 5. Disconnect the hood sensor cable from the system board. 6.
  • Page 114: External Security Devices

    Removal and Replacement Procedures— Slim Tower (ST) 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 115: Padlock

    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. Service Reference Guide, dx7200 Removal and Replacement Procedures—...
  • Page 116: Computer Cover

    Removal and Replacement Procedures— Slim Tower (ST) Chassis Computer Cover 1. Prepare the computer for disassembly 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 117: Front Drive Bezels

    Front Drive Bezels 1. Prepare the computer for disassembly 2. Remove the computer cover 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 118 Removal and Replacement Procedures— Slim Tower (ST) Chassis There are three drive bezel inserts that are available. 7–10 Item Description Diskette drive bezel Hard drive bezel 3.5” drive bezel 390812-001 Service Reference Guide, dx7200...
  • Page 119: Cable Management

    Cable Management The Slim Tower 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. ■ Keep cables away from major heat sources like the heatsink. ■...
  • Page 120: Memory

    Removal and Replacement Procedures— Slim Tower (ST) 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. CAUTION: Static electricity can damage the electronic components of the computer or optional cards.
  • Page 121: Vertically Oriented Expansion Card

    ✎ 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 122: Pci Expansion Card

    Removal and Replacement Procedures— Slim Tower (ST) Chassis 7.9.2 PCI Expansion Card 1. Prepare the computer for disassembly 2. Remove the computer cover 3. Identify the slot into which you want to insert the expansion card. 4. Release the slot cover retention latch that secures the PCI slot covers by lifting the green tab on the latch and rotating the latch to the full open position 1.
  • Page 123 6. 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. 7.
  • Page 124: Pci Express Expansion Card

    Removal and Replacement Procedures— Slim Tower (ST) Chassis 7.9.3 PCI Express Expansion Card To remove a PCI Express expansion card: 1. Prepare the computer for disassembly 2. Remove the computer cover 3. Release the slot cover retention latch on the back of the computer that secures the PCI slot covers by lifting the green tab on the latch and rotating the latch to the open position.
  • Page 125: Drives

    CAUTION: Make sure personal files on the hard drive are backed up to an external storage device before removing the hard drive. Failure to do so will result in data loss. After replacing the primary hard drive, you will need to run the Restore Plus! CD to load the HP factory-installed files. 7.10.1 Drive Positions...
  • Page 126: 2Optical Drive

    Removal and Replacement Procedures— Slim Tower (ST) Chassis 7.10.2 Optical Drive ✎ An optical drive is a CD-ROM, CD-R/RW, DVD-ROM, DVD+R/RW, or CD-RW/DVD Combo drive. 1. Remove any removable media, such as a CD or DVD, from the drive. 2. Prepare the computer for disassembly 3.
  • Page 127 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. To replace the drive, reverse the removal procedure. ✎...
  • Page 128: 3External 3.5-Inch Drive

    Removal and Replacement Procedures— Slim Tower (ST) Chassis 7.10.3 External 3.5-inch Drive 1. Remove any removable media, such as a diskette, from the drive. 2. Prepare the computer for disassembly 3. Remove the computer cover 4. Remove the optical drive 5.
  • Page 129 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. 9. Lift the rear of the drive up so that the rear guide screws clear the top of the drive cage 1. As the drive rises it automatically slides forward until it is free from the drive cage 2.
  • Page 130: 4Primary Hard Drive

    Ä before removing the hard drive. Failure to do so will result in data loss. After replacing the primary hard drive, you will need to run the Restore Plus! CD to load the HP factory-installed files. Ä CAUTION: To prevent loss of work and damage to the computer or drive: ■...
  • Page 131 Removal and Replacement Procedures— Slim Tower (ST) Chassis 4. Remove the security clip that secures the backwall to the power supply. 5. Rotate the power supply to its full upright position. Service Reference Guide, dx7200 390812-001 7–23...
  • Page 132 Removal and Replacement Procedures— Slim Tower (ST) Chassis 6. Disconnect the power 1 and data 2 cables from the back of the hard drive. 7. 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 133 You will need a Torx T-15 screwdriver to remove and re-install the guide screws. HP has provided four extra 6-32 standard guide screws on the front of the chassis, under the computer cover. The 6-32 standard guide screws are silver and are used only for the hard drive.
  • Page 134: Fan Shroud

    Removal and Replacement Procedures— Slim Tower (ST) Chassis 7.11 Fan Shroud 1. Prepare the computer for disassembly 2. Remove the computer cover 3. Lift up on the fan shroud to remove it from the computer. When replacing the shroud, make sure that it does not get caught on the wires from either the fan or the speaker.
  • Page 135: Chassis Fan

    7.12 Chassis Fan 1. Prepare the computer for disassembly 2. Remove the computer cover 3. Remove the fan shroud 4. Disconnect the chassis fan cable from the system board. 5. Remove the four screws that secure the fan to the chassis, then remove the fan from the chassis.
  • Page 136: Front I/O Devices

    Removal and Replacement Procedures— Slim Tower (ST) Chassis 7.13 Front I/O Devices 1. Prepare the computer for disassembly 2. Remove the computer cover 3. Remove the two screws that secure the front I/O device to the chassis 1. 4. Rotate the drive cage to its full upright position. 5.
  • Page 137: Power Switch Assembly

    7.14 Power Switch Assembly 1. Prepare the computer for disassembly 2. Remove the computer cover 3. Disconnect the power switch/LED cable from the system board. 4. Squeeze the switch holder retaining clips together at the front of the chassis 1 and push the switch assembly out of the chassis 2.
  • Page 138: Heatsink

    Removal and Replacement Procedures— Slim Tower (ST) Chassis 7.15 Heatsink 1. Prepare the computer for disassembly 2. Remove the computer cover 3. Remove the fan shroud 4. Disconnect the fan control cable from the system board. 5. Loosen the four captive screws that secure the heatsink to the system board tray. CAUTION: Heatsink retaining screws should be removed in diagonally opposite pairs (as in an X) to Ä...
  • Page 139: Processor

    7.16 Processor 1. Prepare the computer for disassembly 2. Remove the computer cover 3. Remove the fan shroud 4. Disconnect the heatsink control cable from the system board and remove the heatsink (Section 7.15). 5. Rotate the locking lever to its full open position 1. 6.
  • Page 140 After installing a new processor onto the system board, always update the system ROM to ensure that the latest version of the BIOS is being used on the computer. The latest system BIOS can be http://h18000.www1.hp.com/support/files found on the Web at: 7–32...
  • Page 141: Speaker

    7.17 Speaker 1. Prepare the computer for disassembly 2. Remove the computer cover 3. Remove the fan shroud 4. Remove the heatsink control cable and the heatsink from the system board 5. Remove any memory modules that might interfere with the screwdriver used for removing the speaker.
  • Page 142: Power Supply

    Removal and Replacement Procedures— Slim Tower (ST) Chassis 7.18 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 143 Removal and Replacement Procedures— Slim Tower (ST) 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 144: System Board

    Removal and Replacement Procedures— Slim Tower (ST) Chassis 7.19 System Board 1. Prepare the computer for disassembly 2. Remove the computer cover 3. Remove all PCI and PCI Express expansion boards 4. Remove the fan shroud from the chassis 5. Rotate the drive cage to its full upright position. 6.
  • Page 145 Removal and Replacement Procedures— Slim Tower (ST) Chassis 8. Disconnect the serial port from the system board. 9. Disconnect the balance of the cables from the system board. 10. Remove the long mounting screw that secures the system board tray to the chassis. Service Reference Guide, dx7200 390812-001 7–37...
  • Page 146 Removal and Replacement Procedures— Slim Tower (ST) Chassis 11. Slide the system board tray assembly towards the front of the chassis, about 1/4 inch and lift the system board up and out of the chassis. 12. Remove the heatsink from the system board and the system board tray To install the system board, reverse the removal procedure.
  • Page 147: Battery

    In order to forward them to recycling or proper disposal, please use the public collection system or return them to HP, their authorized partners, or their agents. CAUTION: Static electricity can damage the electronic components of the computer or optional Ä...
  • Page 148: 1Type 1 Battery Holder

    Removal and Replacement Procedures— Slim Tower (ST) Chassis 7.20.1 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 149: 2Type 2 Battery Holder

    7.20.2 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 1. 2. To insert the new battery, slide one edge of the replacement battery under the holder’s lip with the positive side up 2.
  • Page 150: 3Type 3 Battery Holder

    Removal and Replacement Procedures— Slim Tower (ST) Chassis 7.20.3 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 151: 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 Mouse Connector and Icon Ethernet BNC Connector and Icon Service Reference Guide, dx7200 Connector Pin Assignments Signal Data...
  • Page 152: Ethernet Aui

    Connector Pin Assignments Ethernet RJ-45 Connector and Icon Ethernet AUI Signal Ground Negative AUI Differential Collision Positive AUI Differential Collision Negative AUI Differential Transmit Positive AUI Differential Transmit Ground Ground Negative AUI Differential Receive A–2 Signal (+) Transmit Data (-) Transmit Data (+) Receive Data Unused Unused...
  • Page 153: Parallel Interface

    Parallel Interface Signal Strobe Data Bit 0 Data Bit 1 Data Bit 2 Data Bit 3 Data Bit 4 Serial Interface, Powered and Non-Powered Connector and Icon Connector and Icon Microphone Connector and Icon (1/8” miniphone) 1 2 3 1 2 3 Service Reference Guide, dx7200 Connector and Icon Signal...
  • Page 154 Connector Pin Assignments Headphone Connector and Icon (1/8” miniphone) 1 2 3 Line-In Audio Connector and Icon (1/8” miniphone) 1 2 3 Line-Out Audio Connector and Icon (1/8” miniphone) 1 2 3 SCSI Low Voltage Differential/Single Ended (LVD/SE) Signal 1-16 Ground 17-18 TERMPWR...
  • Page 155: External Infrared Transceiver

    Ultra SCSI Signal 1-11 Ground Reserved Open Reserved 15-25 Ground External Infrared Transceiver Signal Transmit Receive Ground Monitor Signal Red Analog Green Analog Blue Analog Not used Ground Service Reference Guide, dx7200 Connector and Icon Signal Signal Reserved TERMPWR Reserved Ground ATN # Ground...
  • Page 156 Connector Pin Assignments ATA/ATAPI (IDE) Standard Drive Cable Signal Reset Ground DD10 DD11 DD12 DD13 MultiBay CD-ROM Adapter Signal RESDRV_ GROUND A–6 Connector Signal DD14 DD15 Ground (Key) DMARQ Ground DIOW Ground DIOR Ground IORDY CSEL Connector Signal Signal GROUND (key) CS1FX CS3FX...
  • Page 157: Pin Power

    24-Pin Power Signal +3.3 V +3.3 V +5 V +5 V 24-Pin MicroFit Power Signal +5 Vaux +5 V +5 V PS_ON 4-Pin Power (for CPU) Connector and Icon Service Reference Guide, dx7200 Connector Signal Signal +3.3 V -12 V +5 Vaux +12 V PSON...
  • Page 158 Connector Pin Assignments 6-Pin Power (for CPU) Connector and Icon SATA Data and Power Signal Ground V 3.3 Ground V 12 *S = Data, P = Power A–8 Signal 12 V CPU 12 V CPU +12 V Drive Connector Signal Signal Ground V 3.3...
  • Page 159 PCI Express x1, x4, x8, and x16 PCI Express Connector Pin A Signal Signal PRSNT1# JTAG3 +12V JTAG4 +12V JTAG5 +3.3v JTAG2 +3.3v PERn(2) RSVD RSVD PERp3 PERn3 PERp4 PERp9 PERp8 PERn9 PERn8 PERp10 PERp14 PERn15 PERn14 PERp15 Pin B information is on the next page Notes: x1 PCI Express uses pins 1-18 x4 PCI Express uses pins 1-32...
  • Page 160 Connector Pin Assignments PCI Express x1, x4, x8, and x16 PCI Express Connector Pin B Signal Signal +12V SMDAT +12V RSVD +3.3v JTAG1 SMCLK 3.3vAux PRSNT2# PETp3 PETn3 PETp4 PETn4 RSVD PETn8 PETp10 PETp9 PETn10 PETn9 PRSNT2# RSVD PETp15 PETn15 Notes: x1 PCI Express uses pins 1-18 x4 PCI Express uses pins 1-32...
  • Page 161: Dvi Connector

    DVI Connector Signal T.M.D.S. Data2- T.M.D.S. Data2+ T.M.D.S. Data2/4 Shield T.M.D.S. Data4- T.M.D.S. Data4+ DDC Clock DDC Data No Connect T.M.D.S. Data1- T.M.D.S. Data1+ T.M.D.S. Data1/3 Shield T.M.D.S. Data3- Service Reference Guide, dx7200 Connector and Icon Signal T.M.D.S. Data3+ +5V Power Ground (for +5V) Hot Plug Detect T.M.D.S.
  • Page 162 Connector Pin Assignments A–12 390812-001 Service Reference Guide, dx7200...
  • Page 163: General 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 164 Power Cord Set Requirements Country-Specific Requirements Additional requirements specific to a country are shown in parentheses and explained below. Country Australia (1) Austria (1) Belgium (1) Canada (2) Denmark (1) Finland (1) France (1) Germany (1) 1. The flexible cord must be <HAR> Type HO5VV-F, 3-conductor, 0.75mm Power cord set fittings (appliance coupler and wall plug) must bear the certification mark of the agency responsible for evaluation in the country where it will be used.
  • Page 165: 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 101-Option ROM...
  • Page 166 Run Computer Setup (F10 Setup). incorrect. Make sure memory module(s) (if any) are installed properly. If third party memory has been added, test using HP-only memory. Verify proper memory module type. RAM failure. Run Computer Setup (F10 Setup) or Windows utilities.
  • Page 167 POST Error Messages (Continued) Screen Message 207-ECC Corrected Single Bit Errors in DIMM slot(s) 213-Incompatible memory Module in memory Socket(s) X,X, X 214-DIMM Configuration Warning 216-Memory Size Exceeds Maximum Supported 219-ECC Memory Module Detected. ECC Modules not supported on this platform 301-Keyboard Error 303-Keyboard Controller Error...
  • Page 168 POST Error Messages POST Error Messages (Continued) Screen Message 304-Keyboard or System Unit Error 404-Parallel Port Address Conflict Detected 410-Audio Interrupt Conflict 411-Network Interface Card Interrupt Conflict 501-Display Adapter Failure 510-Splash Screen image corrupted 511-CPU, CPUA, or CPUB Fan not detected 512-Chassis, rear chassis, or front chassis fan not detected...
  • Page 169: Onboard Devices

    POST Error Messages (Continued) Screen Message 605-Diskette Drive Type Error 610-External Storage Device Failure 611-Primary Floppy Port Address Assignment Conflict 660-Display cache is detected unreliable 912-Computer Cover Has Been Removed Since Last System Start 914-Hood Lock Coil is NOT connected 917-Front Audio not Detected 918-Front USB Not...
  • Page 170 System test if applicable. that will fix an erroneous Apply firmware patch if applicable. (visit error message.) www.hp.com/support) Back up contents and replace hard drive. (for integrated MultiBay/ Ensure the MultiBay device is fully USDT systems) inserted.
  • Page 171 Run Computer Setup. If Setup already has become corrupted. has data in the field or will not allow the serial number to be entered, download from http://www.hp.com SP5572.EXE (SNZERO.EXE). Run Computer Setup and try to enter serial number under Security, System ID, then save changes.
  • Page 172 POST Error Messages POST Error Messages (Continued) Screen Message Network Server Mode Active and No Keyboard Attached Parity Check 2 System will not boot without fan. C–8 Probable Cause Keyboard failure while Reconnect keyboard with computer Network Server Mode turned off. enabled.
  • Page 173: Post Diagnostic Front Panel Leds And Audible Codes

    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. ✎...
  • Page 174 Replace the system board. Pre-video memory Reseat DIMMs. Power on the system. error. Replace DIMMs one at a time to isolate the faulty module. Replace third-party memory with HP memory. Replace the system board. Pre-video For systems with a graphics card: graphics error.
  • Page 175 POST Diagnostic Front Panel LEDs and Audible Codes (Continued) Activity Beeps Red Power LED flashes nine times, once every second, followed by a two second pause. Red Power LED flashes ten times, once every second, followed by a two second pause.
  • Page 176 POST Error Messages C–12 390812-001 Service Reference Guide, dx7200...
  • Page 177: D Troubleshooting Without Diagnostics

    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 178: Solving Minor Problems

    Troubleshooting Without Diagnostics Solving Minor Problems Solving Minor Problems Problem Computer appears locked up and will not turn off when the power button is pressed. Computer will not respond to USB keyboard or mouse. CAUTION: When attempting to resume from standby mode, do not hold down the power Ä...
  • Page 179 Solving Minor Problems (Continued) Problem Poor performance is experienced. (continued) Computer powered off automatically and the Power LED flashes Red two times, once every second, followed by a two second pause, and the computer beeps two times. Beeps continue for five iterations after which the LED flashes will continue until the problem is resolved.
  • Page 180 Troubleshooting Without Diagnostics Solving Minor Problems (Continued) Problem System does not power on and the LEDs on the front of the computer are not flashing. D–4 Cause Possible Solution System unable to power Press and hold the power button for less than 4 seconds.
  • Page 181: Solving Power Supply Problems

    Solving Power Supply Problems Solving Power Supply Problems Problem Power supply shuts down intermittently. Computer powered off automatically and the Power LED flashes Red two times, once every second, followed by a two second pause, and the computer beeps two times. Beeps continue for five iterations after which the LED flashes will continue until the...
  • Page 182: Solving Diskette Problems

    Troubleshooting Without Diagnostics Solving Diskette Problems Solving Diskette Problems Problem Diskette drive light stays on. Drive not found. Diskette drive cannot write to a diskette. Cannot format diskette. D–6 Cause Solution Diskette is damaged. In Microsoft Windows XP, right-click Start, click Explore, and select a drive.
  • Page 183 Solving Diskette Problems (Continued) Problem A problem has occurred with a disk transaction. Diskette drive cannot read a diskette. “Invalid system disk” message is displayed. Cannot Boot to Diskette. Service Reference Guide, dx7200 Cause Solution In Windows XP, right-click Start, The directory structure is bad, or there is a click Explore, and select a drive.
  • Page 184: Solving Hard Drive Problems

    Troubleshooting Without Diagnostics Solving Hard Drive Problems Solving Hard Drive Problems Problem Hard drive error occurs. Disk transaction problem. Drive not found (identified). Nonsystem disk/NTLDR missing message D–8 Cause Solution Hard disk has bad Use a utility to locate and block sectors or has failed.
  • Page 185 Solving Hard Drive Problems (Continued) Problem Nonsystem disk/NTLDR missing message. (continued) Computer will not start. Computer seems to be locked up. Service Reference Guide, dx7200 Cause Solution System files missing or 1. Insert a bootable system diskette not properly installed. and restart.
  • Page 186: Solving Multibay Problems

    Troubleshooting Without Diagnostics Solving MultiBay Problems Solving MultiBay Problems Problem Drive not found. Solving Display Problems Solving Display Problems Problem Blank screen (no video). CAUTION: When attempting to resume from standby mode, do not hold down the Ä power button for more than four seconds. Otherwise, the computer will shut down and you will lose any unsaved data.
  • Page 187 1. Reseat DIMMs. Power on the system. 2. Replace DIMMs one at a time to isolate the faulty module. 3. Replace third-party memory with HP memory. 4. Replace the system board. Pre-video graphics For systems with a graphics card: error.
  • Page 188 Troubleshooting Without Diagnostics Solving Display Problems (Continued) Problem Blank screen and the power LED flashes Red seven times, once every second, followed by a two second pause, and the computer beeps seven times. Beeps continue for five iterations after which the LED flashes will continue until the problem is resolved.
  • Page 189 Solving Display Problems (Continued) Problem Image is not centered. “No Connection, Check Signal Cable” displays on screen. “Out of Range” displays on screen. Vibrating or rattling noise coming from inside a CRT monitor when powered on. Clicking noise coming from inside a CRT monitor.
  • Page 190: Solving Audio Problems

    Sound cuts in and out. Sound does not come out of the speaker or headphones. D–14 Cause Solution The HP audio codec Install the Microdoft UAA driver requirs that Microsoft before installing the Realtek driver. Universal Architecture (UAA) drivers, which provide support for the...
  • Page 191 Solving Audio Problems (Continued) Problem Sound does not come out of the speaker or headphones. (continued) Ä CAUTION: When attempting to resume from standby mode, do not hold down the power button for more than four seconds. Otherwise, the computer will shut down and any unsaved data will be lost.
  • Page 192: Solving Printer Problems

    Troubleshooting Without Diagnostics Solving Printer Problems Solving Printer Problems Problem Printer will not print. Printer will not turn on. Printer prints garbled information. Printer is offline. Solving Keyboard and Mouse Problems Solving Keyboard and Mouse Problems Problem Keyboard commands and typing are not recognized by the computer.
  • Page 193 Solving Keyboard and Mouse Problems (Continued) Problem Keyboard commands and typing are not recognized by the computer. (continued) CAUTION: When attempting to resume from standby mode, do not hold down the Ä power button for more than four seconds. Otherwise, the computer will shut down and any unsaved data will be lost.
  • Page 194: 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 recognize the device and configure the computer. If you install a non–plug and play device, you must reconfigure the computer after completing installation of the new hardware.
  • Page 195 2. Replace DIMMs one at a time to isolate the faulty module. 3. Replace third-party memory with HP memory. 4. Replace the system board. Video card is not seated For systems with a graphics card: properly or is bad, or 1.
  • Page 196: 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 Wake-on-LAN feature is not functioning. Network driver does not detect network controller. Network status link light does not turn on or it never flashes.
  • Page 197 Solving Network Problems (Continued) Problem Diagnostics passes, but the computer does not communicate with the network. Network controller stopped working when an expansion board was added to the computer. Network controller stops working without apparent cause. New network card will not boot.
  • Page 198: Solving Memory Problems

    Troubleshooting Without Diagnostics Solving Memory Problems Ä CAUTION: For those systems that support ECC memory, HP does not support mixing ECC and non-ECC memory. Otherwise, the system will not boot the operating system. Solving Memory Problems Problem System will not boot or...
  • Page 199: Solving Processor Problems

    Solving Processor Problems Solving Processor Problems Problem Poor performance is experienced. Power LED flashes Red three times, once every second, followed by a two second pause, and the computer beeps three times. Beeps continue for five iterations after which the LED flashes will continue until the problem is resolved.
  • Page 200 Troubleshooting Without Diagnostics Solving CD-ROM and DVD Problems (Continued) Problem Movie will not play in the DVD drive. (continued) Cannot eject compact disc (tray-load unit). CD-ROM, CD-RW, DVD-ROM, or DVD-R/RW drive cannot read a disc or takes too long to start. Recording audio CDs is difficult or impossible.
  • Page 201: Solving Drive Key Problems

    Solving Drive Key Problems Solving Drive Key Problems Problem Drive Key is not seen as a drive letter in Windows XP. The computer boots to DOS after making a bootable Drive Key. Solving Front Panel Component Problems Solving Front Panel Component Problems Problem A USB device, headphone, or microphone is not...
  • Page 202: Solving Internet Access Problems

    Troubleshooting Without Diagnostics Solving Internet Access Problems Solving Internet Access Problems Problem Unable to connect to the Internet. Cannot automatically launch Internet programs. D–26 Cause Solution Internet Service Provider Verify Internet settings or contact the (ISP) account is not set ISP for assistance.
  • Page 203 Solving Internet Access Problems (Continued) Problem Internet takes too long to download Web sites. Service Reference Guide, dx7200 Cause Solution Modem is not set up Verify that the correct modem speed properly. and COM port are selected. For Windows XP 1.
  • Page 204 Troubleshooting Without Diagnostics D–28 390812-001 Service Reference Guide, dx7200...
  • Page 205 System Board and Riser Board Reference These reference designators are used on most but not all HP system and riser boards. Designator CR35 E49/JP49 J20 - 29 J31 - J35 Service Reference Guide, dx7200 Component Battery socket/Battery LED - 5V_Aux (on)
  • Page 206 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 207 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 Double stack serial port, Top = Serial B, Bottom = Serial A...
  • Page 208 System Board and Riser Board Reference Designators Designator Component (Continued) Clock chip 64 bit Bridge LOM1 LOM1 EEPROM LOM1 PHY Audio Codec Audio amplifier LOM2 LOM2 EEPROM LOM2 PHY SPI ROM Fan controller TMDS controller Parallel port diode array First serial port transceiver Second serial port transceiver VRM controller USB front port power switch...
  • Page 209: Dimm Sockets

    The dc7600 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 210 Memory The system board shown may differ from the one in your product. Item The system will automatically operate in single channel mode, dual channel Asymmetric mode, or a a higher-performing dual channel Interleaved mode, depending on how the DIMMs are installed.
  • Page 211 6-pin power pin assignments A–8 access panel MT removal and replacement 6–4 ST removal and replacement 7–8 Altiris 3–2 Deployment Solution Agent 3–2 HP Client Management Solutions 3–4 asset tracking 3–14 ATA/ATAPI (IDE) drive cable pin assignments A–6 backing up files 1–2 battery disposal 5–9...
  • Page 212: Drive Positions

    Index Dantz Retrospect Express 3–5 date and time display problems D–2 DDR2 memory F–1 deleting password 3–19 delimiter characters, table 3–20 device drivers, installing/upgrading 1–1 diagnostic tool for hard drives 3–24 diagnostics utility 2–14 DIMMs F–1 disassembly preparation MT 6–1 ST 7–1 diskette drive MT removal and replacement 6–17...
  • Page 213 MT removal and replacement 6–26 ST removal and replacement 7–31 hood sensor ST removal and replacement 7–5 HP Client Management Solutions 3–4 HP Client Manager 3–3 HP Insight Diagnostics 2–14 HP Local Recovery 3–5 HP software. See software HP System Software Manager 3–3 image deployment methods 3–1...
  • Page 214 Index padlock MT removal and replacement 6–3 ST removal and replacement 7–7 parallel interface pin assignments A–3 password changing 3–19 clearing 3–20 deleting 3–19 options 2–8 power-on 2–8 3–18 security 3–17 setup 2–8 3–17 3–18 PATA data cable pinouts 4–3 power cable pinouts 4–4 PCI expansion card MT removal and replacement 6–13...
  • Page 215 Boot Block Emergency Recovery Mode 3–7 Computer Setup Utilities 2–1 Dantz Retrospect Express 3–5 Drive Protection System 3–24 Fault Notification and Recovery 3–24 HP Client Management Solutions using Altiris 3–4 HP Client Manger 3–3 HP Insight Diagnostics 2–14 HP Local Recovery 3–2 HP ProtectTools Security Manager 3–24...
  • Page 216 Ultra SCSI pin assignments A–5 unlocking Smart Cover Lock 3–23 USB pin assignments A–3 ventilation, proper 5–5 Wake-on-LAN feature D–20 Web sites HP 1–1 HPQFlash 3–7 PC Deployment 3–1 Proactive Change Notification 3–6 Remote ROM Flash 3–7 replicating setup, BIOS utility 3–10 ROM Flash 3–7...

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