HP dx2200 - Microtower PC Service & Reference Manual
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HP dx2200 - Microtower PC Service & Reference Manual

Business pc 1st edition
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See also: Troubleshooting Manual , Installation Manual
service reference guide
HP Compaq dx2200 MT
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, ATA drives, safety, routine care, connector pin assignments, POST
error messages, and diagnostic indicator lights.
Document Part Number 415606-001

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Summary of Contents for HP dx2200 - Microtower PC

  • Page 1 HP Compaq dx2200 MT 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, ATA drives, safety, routine care, connector pin assignments, POST error messages, and diagnostic indicator lights.
  • Page 3 Service Reference Guide HP Compaq dx2200 MT Business PC 1st Edition Document Part Number: 415606-001 March 2006...
  • Page 4 CAUTION: Text set off in this manner indicates that failure to follow directions could result in damage to equipment or loss of information. Service Reference Guide HP Compaq dx2200 MT Business PC First Edition (March 2006) Document Part Number: 415606-001...

  • Page 5: Table Of Contents

    Contents 1 Installing the Operating System 1.1 Microsoft Windows XP ............1–1 1.1.1 Installing or Upgrading Device Drivers .
  • Page 6 Contents 4.5.1 PATA Device Classes ........... . 4–4 4.6 SATA SMART Drives .
  • Page 7 Contents 6.8.4 Removing a 3.5” Hard Drive ..........6–16 6.9 Front I/O Panel Housing Assembly .
  • Page 8 Contents 415606-001 Service Reference Guide, dx2200 MT...

  • Page 9: Installing The Operating System

    To install optional hardware devices after the OS installation is completed, you must install the device drivers for the device you are installing. The I386 directory and its subdirectories provide the HP- or Compaq-specific integration of the operating system for the computer model and include device drivers supported by the operating system.

  • Page 10: Converting To Ntfs

    Installing the Operating System Converting to NTFS 1.2.1 Windows XP Home and XP Professional The Windows XP Home and XP Professional operating systems handle only NTFS-formatted drives. When installed, XP will, if necessary, automatically convert a FAT32 drive to NTFS. HP Software The Microsoft Windows XP Home or Windows XP Professional operating system is preinstalled on the computer and will be configured automatically the first time the computer is turned on.

  • Page 11: 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 12: Computer Setup Utilities

    Setup Utilities and Diagnostics Features 2.2 Computer Setup Utilities Use Computer Setup Utilities (F10) to: ■ Modify or restore 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 13 Setup Utilities and Diagnostics Features 4. Use the arrow (left and right) keys to select the appropriate heading. Use the arrow (up and Enter down) keys to select the option you want, then press . To return to the Computer Setup Utilities menu, press 5.

  • Page 14: Computer Setup Menu

    Setup Utilities and Diagnostics Features 2.2.2 Computer Setup Menu Heading Option Description System None Lists product name, SKU number, processor type, processor Information speed, CPU ID, cache size, memory size, system ROM, integrated MAC, UUID, system serial number, asset tracking number, asset tag number, and CPU clock ratio.
  • Page 15 Setup Utilities and Diagnostics Features Heading Option Description Standard SATA Controller Disables/enables onboard SATA controller. CMOS SATA Ch 1 Master For each, allows you to: Features SATA Ch 2 Master • run HDD self-test for selected channel: (continued) • SMART Status Check –Target Disk –SMART –SMART Status Check...
  • Page 16 Setup Utilities and Diagnostics Features Heading Option Description Standard POST Delay Allows you to set a POST delay to: CMOS • 0 seconds Features • 5 seconds (continued) • 10 seconds • 15 seconds • 30 seconds Advanced Device Boot Allows you to restrict a device from booting the unit.
  • Page 17 Setup Utilities and Diagnostics Features Heading Option Description Advanced Security Option Allows you to set the security option to Setup or Always so that BIOS Features the password is required every time the system boots or only (continued) when entering Computer Setup. APIC Mode Disables/enables the APIC mode.
  • Page 18 Setup Utilities and Diagnostics Features Heading Option Description Integrated Onboard Serial Allows you to select a setting for the onboard serial port: Peripherals Port • Disabled (continued) • 3F8/IRQ4 • 2F8/IRQ3 • 3E8/IRQ4 • 2E8/IRQ3 Onboard Parallel Allows you to select a setting for the onboard parallel port: Port •...
  • Page 19 Setup Utilities and Diagnostics Features Heading Option Description Resources Allows you to select whether resources are controlled Controlled By automatically or manually: • Auto (ESCD–Extended Storage Configuration Data) • Manual BIOS can automatically configure all the bootable and Plug- and-Play-compatible devices. If you choose Auto, you cannot select IRQ, DMA and memory base address fields since BIOS automatically assigns them.
  • Page 20 Setup Utilities and Diagnostics Features Heading Option Description Current System (view only) Temperature Current CPU Fan (view only) Speed Current System Fan (view only) Speed Vcore (view only) +12V (view only) VCC5 (view only) +3.3V (view only) VBAT (V) (view only) 3VSB (V) (view only) Load...

  • Page 21: Recovering The Configuration Settings

    Setup Utilities and Diagnostics Features 2.3 Recovering the Configuration Settings Recovering the configuration settings established in the Computer Setup (F10) Utility requires that you first back up the settings before a recovery is needed. http://www.hp.com The CMOS Save/Load utility firmware can be found at under the Software &...
  • Page 22 Setup Utilities and Diagnostics Features 2–12 415606-001 Service Reference Guide, dx2200 MT...

  • Page 23: Desktop Management

    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. A customized software image may be deployed by installing additional software applications after unbundling the preinstalled software image.

  • Page 24: Dual-State Power Button

    Desktop Management 1. Remove all removable media and turn off the power. 2. Insert a diskette containing the desired BIOS image file in the root directory. The media must be formatted using the FAT32 file system. 3. Turn on power to the system. The failsafe Boot Block BIOS will attempt to start the system from a bootable device.

  • Page 25: World Wide Web Site

    Desktop Management 3.2.4 World Wide Web Site When making the transition to new or revised operating systems, it is important to implement the support software designed for that operating system. If you plan to run a version of Microsoft Windows that is different from the version included with your computer, you must install corresponding device drivers and utilities to ensure that all features are supported and functioning properly.

  • Page 26: Entering A User Password

    Desktop Management 2. As soon as the computer is turned on, press the key to enter Computer Setup. ✎ If you do not press the key at the appropriate time, you must turn the computer off, then on again, and press the key again to access the utility.

  • Page 27: Surge-Tolerant Power Supply

    Desktop Management ✎ If you do not press the key at the appropriate time, you must turn the computer off, then on again, and press the key again to access the utility. If you are using a PS/2 keyboard, you may see a Keyboard Error message—disregard it. 3.
  • Page 28 Desktop Management 3–6 415606-001 Service Reference Guide, dx2200 MT...

  • Page 29: Serial And Parallel Ata Drive Guidelines And Features

    Serial and Parallel ATA Drive Guidelines and Features ✎ Serial ATA = SATA Parallel ATA = PATA HP does not support the use of a PATA (IDE) hard drive on this model of computer. SATA Hard Drives Serial ATA Hard Drive Characteristics Number of pins/conductors in data cable Number of pins in power cable Maximum data cable length...

  • Page 30: 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. SATA data cables are susceptible to damage if overflexed. Never crease a SATA data cable and never bend it tighter than a 30 mm (1.18 in) radius.

  • Page 31: Pata Device Information

    Serial and Parallel ATA Drive Guidelines and Features 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. PATA hard drives are not supported on these models. 4.4 PATA Cables 4.4.1 PATA Data Cable Signal...

  • Page 32: Pata Device Classes

    Serial and Parallel ATA Drive Guidelines and Features Each drive attached to a channel must have a drive designation. If a drive is attached to the Device 0 cable position and its cable-select jumper is present, the drive is designated as Device 0. Similarly, if a drive is attached to the Device 1 cable position and its cable-select jumper is present, the drive is designated as Device 1.

  • Page 33: Sata Bios

    Serial and Parallel ATA Drive Guidelines and Features Drive/Partition Capacity Limits Maximum Size File Controller System Type Operating System Partition Drive FAT 32 Windows 2000/ XP 32 GB 128 PB NTFS Windows NT/2000/XP 2 TB 128 PB 4.8 SATA BIOS Windows 2000 and XP Windows 9x, NT, and Linux Enhanced Mode (default BIOS Setting)

  • Page 34: Native Mode

    Serial and Parallel ATA Drive Guidelines and Features 4.8.2 Native Mode The native mode is used to access devices attached to additional ATA controllers and is not supported by many legacy operating systems. Addresses are assigned by PCI Plug-n-Play BIOS and the IRQ is shared with multiple controllers.

  • Page 35: 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. Ä CAUTION: When the computer is plugged into an AC power source voltage is always applied to the system board.

  • Page 36: 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. 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 37: 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 38: Routine Care

    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 39: Cleaning The Keyboard

    Identifying the Chassis, Routine Care, and Disassembly Preparation 5.3.3 Cleaning the Keyboard Follow all safety precautions in Section 5.3.1, “General Cleaning Safety Precautions,” before cleaning the keyboard. To clean the tops of the keys or the keyboard body, follow the procedures described in Section 5.3.2, “Cleaning the Computer Case.”...

  • Page 40: Service Considerations

    ■ Diagnostics software ■ Compaq tamper-resistant T-15 wrench (Smart Cover FailSafe Key, PN 166527-001) or Compaq tamper-resistant bits (Smart Cover FailSafe Key, PN 166527-002) 5.4.3 Screws The screws used in the computer are not interchangeable. They may have standard or metric threads and may be of different lengths.

  • Page 41: Cables And Connectors

    Identifying the Chassis, Routine Care, and Disassembly Preparation 5.4.4 Cables and Connectors Most cables used throughout the unit are flat, flexible cables. These cables must be handled with care to avoid damage. Apply only the tension required to seat or unseat the cables during insertion or removal from the connector.
  • Page 42 Identifying the Chassis, Routine Care, and Disassembly Preparation 5–8 415606-001 Service Reference Guide, dx2200 MT...

  • Page 43: Removal And Replacement Procedures-Microtower (Mt) Chassis

    Removal and Replacement Procedures— Microtower (MT) 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 44: Access Panel

    Removal and Replacement Procedures— Microtower (MT) Chassis 6.2 Access Panel 1. Prepare the computer for disassembly (Section 6.1, “Preparation 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 45: Front Bezel

    Removal and Replacement Procedures— Microtower (MT) Chassis 6.3 Front Bezel 1. Prepare the computer for disassembly (Section 6.1, “Preparation for Disassembly”). 2. Remove the access panel (Section 6.2, “Access Panel”). 3. Pull outward on all three tabs on the left side of the bezel 1 then rotate the bezel off the chassis 2, beginning with the left side then the right side.

  • Page 46: Front Drive Bezels

    Removal and Replacement Procedures— Microtower (MT) Chassis 6.4 Front Drive Bezels 1. Prepare the computer for disassembly (Section 6.1, “Preparation for Disassembly”). 2. Remove the access panel (Section 6.3, “Front Bezel”). 3. Remove the front bezel (Section 6.3, “Front Bezel”). 6.4.1 5.25"...

  • Page 47: Removing A 3.5" Drive Bezel Blank

    Removal and Replacement Procedures— Microtower (MT) Chassis 6.4.2 Removing a 3.5” Drive Bezel Blank While facing the inside of the front bezel, press outward on the retaining tabs on each side of the bezel blank 1 and pull the bezel blank inwards to remove it 2. ✎...

  • Page 48: Memory

    Removal and Replacement Procedures— Microtower (MT) Chassis 6.5 Memory For more information on the memory in this series of computers, refer to Appendix D, “Memory.” 6.5.1 Installing Memory Modules 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 49 Removal and Replacement Procedures— Microtower (MT) Chassis 5. Push the module down into the socket, ensuring that the module is fully inserted and properly seated. Make sure the latches are in the closed position 3. 6. Repeat steps 4 and 5 for any additional modules that you want to install. To reassemble the computer, reverse the removal procedure.

  • Page 50: Expansion Cards

    Removal and Replacement Procedures— Microtower (MT) Chassis 6.6 Expansion Cards The computer has two PCI expansion slots that can accommodate expansion cards up to 17.46 cm (6.875 inches) in length, one PCIe x1 expansion slot, and one PCIe x16 expansion slot. 6.6.1 Expansion Slot Cover Lock 1.
  • Page 51 Removal and Replacement Procedures— Microtower (MT) Chassis 8. Install a new expansion card or an expansion slot cover to close the open slot. To install a replacement expansion card go to step 10. 9. If you are installing an expansion card for the first time you must first remove the expansion slot cover.

  • Page 52: Cable Management

    Removal and Replacement Procedures— Microtower (MT) Chassis 6.7 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 53: Cable Connections

    Removal and Replacement Procedures— Microtower (MT) Chassis 6.7.1 Cable Connections Cable Cable Designator Power Supply 1st SATA Hard drive Power Supply System board, 24-pin Power Supply CPU power, 4-pin Power Supply 1st Optical drive Power Supply 2nd Optical drive Power Supply 2nd SATA Hard drive Power Supply DIskette drive...

  • Page 54: 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 Compaq factory-installed files. 6.8.1 Drive Positions...

  • Page 55: Drive

    Removal and Replacement Procedures— Microtower (MT) Chassis 6.8.2 5.25" Drive 1. Prepare the computer for disassembly (Section 6.1, “Preparation for Disassembly”). 2. Remove the access panel (Section 6.2, “Access Panel”). 3. Remove the front bezel (Section 6.3, “Front Bezel”). 4. Disconnect the power, data, and audio cables, as necessary, from the back of the drive. 5.

  • Page 56: Drive

    Removal and Replacement Procedures— Microtower (MT) Chassis 6.8.3 3.5" Drive If you are installing a device for the first time in the external 3.5” drive bay you will need to use a flat blade screwdriver to break out the metal shield. The 3.5"...
  • Page 57 Removal and Replacement Procedures— Microtower (MT) Chassis Device Retainer Screws Guide Screws Diskette Drive 2 (labeled “FDD” on chassis) 1 (front left side of drive) Media Card 2 (labeled “CR” on chassis) none Reader ✎ If you are installing a drive in the external 3.5" drive bay for the first time, use a flatblade screwdriver to pry out the metal shield covering the bay.

  • Page 58: Removing A 3.5" Hard Drive

    Removal and Replacement Procedures— Microtower (MT) Chassis 6.8.4 Removing a 3.5” Hard Drive 1. Prepare the computer for disassembly (Section 6.1, “Preparation for Disassembly”). 2. Remove the access panel (Section 6.2, “Access Panel”). 3. Remove the front bezel (Section 6.3, “Front Bezel”).

  • Page 59: Front I/O Panel Housing Assembly

    Removal and Replacement Procedures— Microtower (MT) Chassis 6.9 Front I/O Panel Housing Assembly 1. Prepare the computer for disassembly (Section 6.1, “Preparation 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 (Section 6.1, “Preparation for Disassembly”).

  • Page 60: Power Switch Assembly

    Removal and Replacement Procedures— Microtower (MT) Chassis 6.9.1 Power Switch Assembly 1. Prepare the computer for disassembly (Section 6.1, “Preparation 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 (Section 6.2, “Access Panel”).

  • Page 61: Speaker

    Removal and Replacement Procedures— Microtower (MT) Chassis 6.10 Speaker 1. Prepare the computer for disassembly (Section 6.1, “Preparation for Disassembly”). 2. Remove the access panel (Section 6.2, “Access Panel”). 3. Remove the front bezel (Section 6.3, “Front Bezel”). 4. Disconnect the speaker cable from the system board. 5.

  • Page 62: System Fan

    Removal and Replacement Procedures— Microtower (MT) Chassis 6.11 System Fan 1. Prepare the computer for disassembly (Section 6.1, “Preparation for Disassembly”). 2. Remove the access panel (Section 6.2, “Access Panel”). 3. Disconnect the cable that connects the system fan to the system board. 4.

  • Page 63: Heatsink

    Removal and Replacement Procedures— Microtower (MT) Chassis 6.12 Heatsink 1. Prepare the computer for disassembly (Section 6.1, “Preparation for Disassembly”). 2. Remove the access panel (Section 6.2, “Access Panel”). 3. Lay the computer down on its side to make it easier to work on. 4.

  • Page 64: Processor

    Removal and Replacement Procedures— Microtower (MT) Chassis 6.13 Processor 1. Prepare the computer for disassembly (Section 6.1, “Preparation for Disassembly”). 2. Remove the access panel cover (Section 6.2, “Access Panel”). 3. Disconnect the heatsink control cable from the system board and remove the heatsink.(Section 6.12, “Heatsink”) 4.
  • Page 65 Removal and Replacement Procedures— Microtower (MT) Chassis 5. Go to step 7. 6. If using a new heatsink, remove the protective covering from the bottom of the heatsink and place it in position atop the processor. 7. 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.

  • Page 66: System Board

    Removal and Replacement Procedures— Microtower (MT) Chassis 6.14 System Board 1. Prepare the computer for disassembly (Section 6.1, “Preparation for Disassembly”). 2. Remove the access panel (Section 6.2, “Access Panel”). 3. Remove the front bezel (Section 6.3, “Front Bezel”). 4. Disconnect the power, and data cables from the back of all installed drives. 5.

  • Page 67: 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/Compaq, their authorized partners, or their agents. Ä...

  • Page 68: 1Type 1 Battery Holder

    Removal and Replacement Procedures— Microtower (MT) Chassis 6.15.1 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 69: 2Type 2 Battery Holder

    Removal and Replacement Procedures— Microtower (MT) Chassis 6.15.2 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 70: 3Type 3 Battery Holder

    Removal and Replacement Procedures— Microtower (MT) Chassis 6.15.3 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 71: Power Supply

    Removal and Replacement Procedures— Microtower (MT) Chassis 6.16 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 72 Removal and Replacement Procedures— Microtower (MT) Chassis 6–30 415606-001 Service Reference Guide, dx2200 MT...

  • Page 73: 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. Enhanced Keyboard Connector and Icon Signal Data Unused Ground +5 VDC Clock Unused Mouse Connector and Icon...

  • Page 74: Parallel Interface

    Connector Pin Assignments Parallel Interface Connector and Icon Signal Signal Signal Strobe Data Bit 5 Select Data Bit 0 Data Bit 6 Auto Linefeed Data Bit 1 Data Bit 7 Error Data Bit 2 Acknowledge Initialize Printer Data Bit 3 Busy Select IN Data Bit 4...
  • Page 75 Connector Pin Assignments Headphone Connector and Icon (1/8" miniphone) Signal 1 (Tip) Audio_Left 1 2 3 2 (Ring) Audio_Right 3 (Shield) Ground Line-In Audio Connector and Icon (1/8" miniphone) Signal 1 (Tip) Audio_In_Left 1 2 3 2 (Ring) Audio_In_Right 3 (Shield) Ground Line-Out Audio Connector and Icon (1/8"...
  • Page 76 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 DD11 Ground CS3FX DIOR DASP DD12 Ground Ground IORDY DD13 CSEL 24-Pin Power Connector...

  • Page 77: General Requirements

    Power Cord Set Requirements The voltage select switch feature on the computer permits it to operate from any line voltage between 100-120 or 220-240 volts AC. The power cord set received with the computer meets the requirements for use in the country where you purchased the equipment.
  • Page 78 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 79: 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. Recommended Actions are to be taken in incremental steps.
  • Page 80 POST Error Messages POST Error Messages Screen Message Probable Cause Recommended Action Primary Master/Slave Primary Master/Slave Reseat the device data and power Hard Disk Error hard drive could not be cables. initialized by the BIOS. Replace the device data cable. Replace the device.
  • Page 81 POST Error Messages POST Error Messages Screen Message Probable Cause Recommended Action Microcode Error BIOS could not find or Ensure the system board BIOS supports load the CPU microcode the processor. update to the CPU. Change system board jumper on JP2 to pins 2-3 (Unlock), then flash the system BIOS.
  • Page 82 POST Error Messages POST Error Messages Screen Message Probable Cause Recommended Action CMOS Checksum Error. CMOS corrupt or bad Press F1 to save defaults. Defaults Loaded RTC battery. Replace RTC battery. Download the current ROM BIOS from the HP Web and reflash the ROM BIOS. ROM BIOS Checksum ROM BIOS may be Download the most current ROM BIOS...

  • Page 83: Post Diagnostic Front Panel Leds And Audible Codes

    POST Error Messages POST Error Messages Screen Message Probable Cause Recommended Action Non-System Disk or BIOS unable to find a Verify that the device booting from is Disk Error suitable boot device. bootable. Replace as needed. Warning: CPU Fan Has CPU fan weak or not Ensure that the computer air vents are Failed.
  • Page 84 POST Error Messages POST Diagnostic Front Panel LEDs and Audible Codes Activity Beeps Possible Cause Recommended Action Green Power LED None Computer on. None Green Power LED None Computer in None required. Press any key or move the flashes every two Suspend to RAM mouse to wake the computer.
  • Page 85 POST Error Messages POST Diagnostic Front Panel LEDs and Audible Codes (Continued) Activity Beeps Possible Cause Recommended Action Power LED flashes None Pre-video For systems with a graphics card: six times, once graphics error. Reseat the graphics card. Power on the every second, system.
  • Page 86 POST Error Messages C–8 415606-001 Service Reference Guide, dx2200 MT...
  • Page 87 Memory Computers equipped with Intel-based processors come with double data rate synchronous dynamic random access memory (DDR2-SDRAM) dual inline memory modules (DIMMs). The memory sockets on the system board can be populated with up to two industry-standard DIMMs. These memory module slots are populated with at least one pre installed memory module.
  • Page 88 Memory D–2 415606-001 Service Reference Guide, dx2200 MT...

  • Page 89: 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 90: 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 91 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 every running. A fan may be blocked or four seconds.

  • Page 92: 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. intermittently. on rear of computer chassis not switched to correct line voltage. Power supply fault. Replace the power supply.

  • Page 93: 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 94: Solving Hard Drive Problems

    Troubleshooting Without Diagnostics Solving Diskette Problems (Continued) Problem Cause Solution A problem has occurred The directory structure is In Windows XP, right-click Start, with a disk transaction. bad, or there is a click Explore, and select a drive. problem with a file. Select File >...
  • Page 95 Troubleshooting Without Diagnostics Solving Hard Drive Problems (Continued) Problem Cause Solution Drive not found (identified). Loose cable. Check cable connections. The system may not 1. Run Computer Setup. have automatically 2. If the system still does not recognized a newly recognize the new device, installed device.
  • Page 96 Troubleshooting Without Diagnostics Solving Hard Drive Problems (Continued) Problem Cause Solution Computer will not start. Hard drive is damaged. Observe the beeps and LED lights on the front of the computer. See Appendix C, “POST Error Messages”. Computer seems to be Program in use has 1.

  • Page 97: Solving Display Problems

    Troubleshooting Without Diagnostics Solving Display Problems Solving Display Problems Problem Cause Solution Blank screen (no video). The cable connections Check the cable connections from are not correct. the monitor to the computer and to the electrical outlet. Screen blanking utility Press any key or click the mouse installed or energy button and, if set, type your...
  • Page 98 Troubleshooting Without Diagnostics Solving Display Problems (Continued) Problem Cause Solution Power LED flashes Red six Pre-video graphics For systems with a graphics card: times, once every second, error. 1. Reseat the graphics card. followed by a two second 2. Replace the graphics card. pause.
  • Page 99 Troubleshooting Without Diagnostics Solving Display Problems (Continued) Problem Cause Solution High pitched noise coming Brightness and/or Lower brightness and/or contrast from inside a flat panel contrast settings are too settings. monitor. high. Fuzzy focus; streaking, Flat panel monitor’s 1. Select the monitor’s Auto- ghosting, or shadowing internal digital Adjustment option in the...

  • Page 100: Solving Audio Problems

    Troubleshooting Without Diagnostics Solving Audio Problems Solving Audio Problems Problem Cause Solution Sound does not come Software volume control Double-click the Speaker icon on out of the speaker or is turned down. the taskbar and use the volume headphones. slider to adjust the volume. The external speakers Turn on the external speakers.
  • Page 101 Troubleshooting Without Diagnostics Solving Audio Problems (Continued) Problem Cause Solution Noise or no sound comes 1. If using digital speakers that out of the speakers or have a stereo jack and want the headphones. system to auto-switch to digital, use a stereo-to-mono adapter to properly engage the auto- sense feature or use the multimedia device properties...

  • Page 102: Solving Printer Problems

    Troubleshooting Without Diagnostics Solving Printer Problems Solving Printer Problems Problem Cause Solution Printer will not print. Printer is not turned on Turn the printer on and make sure it and online. is online. The correct printer 1. Install the correct printer driver driver for the for the application.

  • Page 103: Solving Keyboard And Mouse Problems

    Troubleshooting Without Diagnostics Solving Keyboard and Mouse Problems Solving Keyboard Problems Problem Cause Solution Keyboard commands and Keyboard connector 1. Turn off the computer. typing are not recognized is not properly 2. Reconnect the keyboard to the by the computer. connected.

  • Page 104: 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 105 Troubleshooting Without Diagnostics Solving Hardware Installation Problems (Continued) Problem Cause Solution Power LED flashes Red five Memory is installed 1. Reseat DIMMs. times, once every second, incorrectly or is bad. 2. Replace DIMMs one at a time to followed by a two second isolate the faulty module.

  • Page 106: 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 Use the Network control application not functioning. enabled. to enable Wake-on-LAN. Network driver does Network controller is Run Computer Setup and enable...
  • Page 107 Troubleshooting Without Diagnostics Solving Network Problems (Continued) Problem Cause Solution Diagnostics passes, but The network controller Select the Network icon in the the computer does not is not configured for this Control Panel and configure the communicate with the computer. network controller.

  • Page 108: 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 Cause Solution System will not boot or Memory module is not Replace module with the correct does not function properly...

  • Page 109: Solving Processor Problems

    Troubleshooting Without Diagnostics Solving Processor Problems Solving Processor Problems Problem Cause Solution Poor performance is Processor is hot. 1. Make sure the airflow to the experienced. computer is not blocked. 2. Make sure the fans are connected and working properly (some fans only operate when needed).
  • Page 110 Troubleshooting Without Diagnostics Solving CD-ROM and DVD Problems Solving CD-ROM and DVD Problems Problem Cause Solution System will not boot from The CD-ROM or DVD Run the Computer Setup utility and CD-ROM or DVD drive. boot is not enabled enable booting to removable media through the Computer and verify boot order settings.

  • Page 111: Solving Drive Key Problems

    Troubleshooting Without Diagnostics Solving CD-ROM and DVD Problems (Continued) Problem Cause Solution Recording audio CDs is Wrong or poor quality 1. Try using a slower recording difficult or impossible. media type. speed. 2. Verify that you are using the correct media for the drive. 3.
  • Page 112 Troubleshooting Without Diagnostics Solving Internet Access Problems (Continued) Problem Cause Solution Unable to connect to the Cable/DSL service is Try connecting to the Internet at a Internet. (continued) not available or has later time or contact your ISP. (If the been interrupted due to cable/DSL service is connected, the bad weather.
  • Page 113 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 114 Troubleshooting Without Diagnostics 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 115 Troubleshooting Without Diagnostics Diagnostic Front Panel LEDs and Audible Codes (Continued) Activity Beeps Possible Cause Recommended Action Power LED flashes None Pre-video graphics For systems with a graphics card: six times, once error. 1. Reseat the graphics card. Power on every second, the system.
  • Page 116 Troubleshooting Without Diagnostics E–28 415606-001 Service Reference Guide, dx2200 MT...
  • Page 117 Index 4-pin power pin assignments A–4 mouse 5–5 24-pin power pin assignments A–4 cloning tools, software 3–1 5.25 CMOS Setup, Standard 2–4 2–5 2–6 drive bezel blank 6–4 computer cleaning 5–4 pauses E–2 access panel, removal and replacement 6–2 Computer Setup ATA/ATAPI (IDE) drive cable pin assignments A–...
  • Page 118 Index materials and equipment 5–3 mouse preventing damage 5–2 cleaning 5–5 Ethernet pin assignments A–1 RJ-45 pin assignments A–1 expansion card removal and replacement 6–8 NTFS conversion 1–2 expansion slot cover lock removal and replacement 6–8 operating systems, important information about 3– FailSafe Boot Block ROM 3–1 fan, power supply 5–6 parallel interface pin assignments A–2...
  • Page 119 Index Internet access E–23 setup keyboard E–15 initial 3–1 memory E–20 MS Windows 1–1 network E–18 software 1–2 optical drives E–22 software power supply E–4 Computer Setup Utilities 2–1 printer E–14 FailSafe Boot Block ROM 3–1 processor removal and replacement 6–22 integration 3–1 Power Management 3–2 recovery 3–1...
  • Page 120 Index Index–4 415606-001 Service Reference Guide, dx2200 MT...

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