Page 3 - Service Reference Guide; HP Compaq dx2100 MT Business PC
Service Reference Guide HP Compaq dx2100 MT Business PC 1st Edition Document Part Number: 404569-001 November 2005
Page 5 - Contents; Installing the Operating System
Sercice Reference Guide. dx2100 MT 404569-001 iii Contents 1 Installing the Operating System 1.1 Microsoft Windows XP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–1 1.1.1 Installing or Upgrading Device Drivers . . . . . . . . . . ....
Page 6 - Removal and Replacement Procedures— Microtower (MT) Chassis
iv 404569-001 Service Reference Guide, dx2100 MT Contents 4.5.1 PATA Device Classes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–4 4.6 SATA SMART Drives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Page 9 - Installing the Operating System; Microsoft Windows XP; During this process,; Installing or Upgrading Device Drivers; Browse
Service Reference Guide, dx2100 MT 404569-001 1–1 1 Installing the Operating System Depending on the model, Microsoft Windows XP Home or Windows XP Professional is preinstalled on the computer and will be configured automatically the first time the computer is turned on. Ä CAUTION: Do not add option...
Page 10 - Converting to NTFS; Windows XP Home and XP Professional; Software; HP web site at
1–2 404569-001 Service Reference Guide, dx2100 MT Installing the Operating System 1.2 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...
Page 11 - Setup Utilities and Diagnostics Features; Configuration and Deployment,”
Service Reference Guide, dx2100 MT 404569-001 2–1 2 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 ...
Page 12 - Computer Setup Utilities
2–2 404569-001 Service Reference Guide, dx2100 MT 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 includi...
Page 13 - down) keys to select the option you want, then press; . To return to the Computer Setup
Service Reference Guide, dx2100 MT 404569-001 2–3 Setup Utilities and Diagnostics Features 4. Use the arrow (left and right) keys to select the appropriate heading. Use the arrow (up and down) keys to select the option you want, then press Enter . To return to the Computer Setup Utilities menu, pres...
Page 22 - Recovering the Configuration Settings; The CMOS Save/Load utility firmware can be found at
2–12 404569-001 Service Reference Guide, dx2100 MT 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. The CM...
Page 23 - Desktop Management; Initial Configuration and Deployment; provides information to help you select the best; Flash; If the system ROM is valid, the system starts normally.
Service Reference Guide, dx2100 MT 404569-001 3–1 3 Desktop Management ✎ Support for specific features described in this guide may vary by model or software version. 3.1 Initial Configuration and Deployment HP computers come with a preinstalled system software image. After a brief software “unbundli...
Page 25 - Establishing a User Password Using Computer Setup
Service Reference Guide, dx2100 MT 404569-001 3–3 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 ...
Page 26 - Entering a User Password; Changing a User or Supervisor Password
3–4 404569-001 Service Reference Guide, dx2100 MT Desktop Management 2. As soon as the computer is turned on, press and hold the F10 key until you enter Computer Setup. Press Enter to bypass the title screen, if necessary. ✎ If you do not press the F10 key at the appropriate time, you must turn the ...
Page 27 - Deleting a User or Supervisor Password
Service Reference Guide, dx2100 MT 404569-001 3–5 Desktop Management ✎ If you do not press the F10 key at the appropriate time, you must turn the computer off, then on again, and press the F10 key again to access the utility. If you are using a PS/2 keyboard, you may see a Keyboard Error message—dis...
Page 28 - National Keyboard Delimiter Characters
3–6 404569-001 Service Reference Guide, dx2100 MT Desktop Management National Keyboard Delimiter Characters Each keyboard is designed to meet country-specific requirements. The syntax and keys that you use for changing or deleting your password depend on the keyboard that came with your computer. Cl...
Page 29 - Serial and Parallel ATA Drive Guidelines and; Hard
Service Reference Guide, dx2100 MT 404569-001 4–1 4 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. 4.1 SATA Hard Drives ✎ When attaching the SATA cable to the system board...
Page 30 - SATA Hard Drive Cables
4–2 404569-001 Service Reference Guide, dcx210 MT 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 t...
Page 31 - Device; PATA hard drives are not supported on these models.; Cables
Service Reference Guide, dx2100 MT 404569-001 4–3 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...
Page 32 - General Attach Guidelines; SMART
4–4 404569-001 Service Reference Guide, dcx210 MT 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. S...
Page 33 - BIOS; Primary Channel
Service Reference Guide, dx2100 MT 404569-001 4–5 Serial and Parallel ATA Drive Guidelines and Features 4.8 SATA BIOS 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. ■...
Page 34 - Offset 10h—Primary Command base address
4–6 404569-001 Service Reference Guide, dcx210 MT 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 ...
Page 35 - Identifying the Chassis, Routine Care, and; Designations
Service Reference Guide, dx2100 MT 404569-001 5–1 5 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:...
Page 36 - Discharge; The following table shows that:; Preventing Electrostatic Damage to Equipment
5–2 404569-001 Service Reference Guide, dx2100 MT 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 ...
Page 37 - Personal Grounding Methods and Equipment
Service Reference Guide, dx2100 MT 404569-001 5–3 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-...
Page 38 - Care; General Cleaning Safety Precautions
5–4 404569-001 Service Reference Guide, dx2100 MT 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 ...
Page 39 - Section
Service Reference Guide, dx2100 MT 404569-001 5–5 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 k...
Page 40 - Considerations; To service the computer, you need the following:
5–6 404569-001 Service Reference Guide, dx2100 MT Identifying the Chassis, Routine Care, and Disassembly Preparation 5.4 Service Considerations Listed below are some of the considerations that you should keep in mind during the disassembly and assembly of the computer. 5.4.1 Power Supply Fan The pow...
Page 41 - Avoid dropping drives from any height onto any surface.
Service Reference Guide, dx2100 MT 404569-001 5–7 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 ...
Page 43 - Removal and Replacement Procedures—; for; See; Disconnect all peripheral device cables from the computer.
Service Reference Guide, dx2100 MT 404569-001 6–1 6 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 Diagnostic...
Page 44 - Panel; Prepare the computer for disassembly (; To replace the access panel, reverse the removal steps.
6–2 404569-001 Service Reference Guide, dx2100 MT 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 tur...
Page 45 - Bezel
Service Reference Guide, dx2100 MT 404569-001 6–3 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. Press down on the three...
Page 46 - Front Drive Bezels
6–4 404569-001 Service Reference Guide, dx2100 MT 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 ...
Page 47 - Section 6.1, “Preparation for Disassembly”
Service Reference Guide, dx2100 MT 404569-001 6–5 Removal and Replacement Procedures— Microtower (MT) Chassis 6.5 Memory For more information on the memory in this series of computers, refer to Appendix E, “Memory.” 6.5.1 Installing Memory Modules Ä CAUTION: The memory module sockets have gold metal...
Page 48 - properly seated. Make sure the latches are in the closed position
6–6 404569-001 Service Reference Guide, dx2100 MT 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 ...
Page 49 - Cards
Service Reference Guide, dx2100 MT 404569-001 6–7 Removal and Replacement Procedures— Microtower (MT) Chassis 6.6 Expansion Cards 6.6.1 Expansion Slot Cover Lock 1. Prepare the computer for disassembly ( Section 6.1, “Preparation for Disassembly” ). 2. Remove the right access panel ( Section 6.2, “A...
Page 50 - backwall
6–8 404569-001 Service Reference Guide, dx2100 MT Removal and Replacement Procedures— Microtower (MT) Chassis 9. With the card aligned so the mounting bracket will fit firmly against the computer backwall 1 , slide the expansion card into the expansion socket and press it firmly into place 2 . ✎ Whe...
Page 51 - Management; Keep cables away from major heat sources like the heatsink.
Service Reference Guide, dx2100 MT 404569-001 6–9 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 ...
Page 53 - Drive Positions
Service Reference Guide, dx2100 MT 404569-001 6–11 Removal and Replacement Procedures— Microtower (MT) Chassis 6.8 Drives The computer supports up to four drives that may be installed in various configurations. This Section describes the procedure for replacing or upgrading the storage drives. A Tor...
Page 62 - place it in position atop the processor.
6–20 404569-001 Service Reference Guide, dx2100 MT Removal and Replacement Procedures— Microtower (MT) Chassis 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...
Page 65 - Slide the replacement battery into position, positive side up.
Service Reference Guide, dx2100 MT 404569-001 6–23 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...
Page 66 - of the battery. When the battery pops up, lift it out
6–24 404569-001 Service Reference Guide, dx2100 MT 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. To i...
Page 67 - Pull back on the clip
Service Reference Guide, dx2100 MT 404569-001 6–25 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. Replac...
Page 69 - Connector Pin Assignments; Enhanced Keyboard
Service Reference Guide, dx2100 MT 404569-001 A–1 A 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 Pin Signal 1 2 3 Data Un...
Page 70 - Parallel Interface
A–2 404569-001 Service Reference Guide, dx2100 MT Connector Pin Assignments Parallel Interface Connector and Icon Pin Signal Pin Signal Pin Signal 1 2 3 Strobe Data Bit 0 Data Bit 1 7 8 9 Data Bit 5 Data Bit 6 Data Bit 7 13 14 15 Select Auto Linefeed Error 4 5 6 Data Bit 2 Data Bit 3 Data Bit 4 10 1...
Page 71 - Headphone
Service Reference Guide, dx2100 MT 404569-001 A–3 Connector Pin Assignments Headphone Connector and Icon (1/8" miniphone) Pin Signal 1 (Tip) Audio_Left 2 (Ring) Audio_Right 3 (Shield) Ground Line-In Audio Connector and Icon (1/8" miniphone) Pin Signal 1 (Tip) Audio_In_Left 2 (Ring) Audio_In_...
Page 73 - Power Cord Set Requirements; General Requirements; The requirements listed below are applicable to all countries:
Service Reference Guide, dx2100 MT 404569-001 B–1 B 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 count...
Page 74 - Country-Specific Requirements
B–2 404569-001 Service Reference Guide, dx2100 MT Power Cord Set Requirements Country-Specific Requirements Additional requirements specific to a country are shown in parentheses and explained below. Country Accrediting Agency Country Accrediting Agency Australia (1) Austria (1) Belgium (1) Canada (...
Page 75 - Not all computers use all of the codes listed.; POST Error Messages
Service Reference Guide, dx2100 MT 404569-001 C–1 C 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 th...
Page 79 - POST Diagnostic Front Panel LEDs and Audible Codes
Service Reference Guide, dx2100 MT 404569-001 C–5 POST Error Messages POST Diagnostic Front Panel LEDs and Audible Codes This section covers the front panel LED codes as well as the audible codes that may occur before or during POST that do not necessarily have an error code or text message associat...
Page 83 - Troubleshooting Without Diagnostics; Preliminary Checklist
Service Reference Guide, dx2100 MT 404569-001 D–1 D 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 ele...
Page 84 - Solving Minor Problems
D–2 404569-001 Service Reference Guide, dx2100 MT Troubleshooting Without Diagnostics Solving Minor Problems Solving Minor Problems Problem Cause Possible Solution Computer appears locked up and will not turn off when the power button is pressed. Software control of the power switch is not functiona...
Page 86 - Solving Power Supply Problems
D–4 404569-001 Service Reference Guide, dx2100 MT Troubleshooting Without Diagnostics Solving Power Supply Problems Solving Power Supply Problems Problem Cause Solution Power supply shuts down intermittently. Voltage selector switch on rear of computer chassis not switched to correct line voltage. S...
Page 87 - Solving Diskette Problems
Service Reference Guide, dx2100 MT 404569-001 D–5 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...
Page 88 - Solving Hard Drive Problems
D–6 404569-001 Service Reference Guide, dx2100 MT Troubleshooting Without Diagnostics Solving Hard Drive Problems A problem has occurred with a disk transaction. The directory structure is bad, or there is a problem with a file. In Windows XP, right-click Start , click Explore , and select a drive. ...
Page 91 - Solving Display Problems
Service Reference Guide, dx2100 MT 404569-001 D–9 Troubleshooting Without Diagnostics Solving Display Problems Solving Display Problems Problem Cause Solution Blank screen (no video). The cable connections are not correct. Check the cable connections from the monitor to the computer and to the elect...
Page 94 - Solving Audio Problems
D–12 404569-001 Service Reference Guide, dx2100 MT Troubleshooting Without Diagnostics Solving Audio Problems Solving Audio Problems Problem Cause Solution Sound does not come out of the speaker or headphones. Software volume control is turned down. Double-click the Speaker icon on the taskbar and u...
Page 96 - Solving Printer Problems
D–14 404569-001 Service Reference Guide, dx2100 MT Troubleshooting Without Diagnostics Solving Printer Problems Solving Printer Problems Problem Cause Solution Printer will not print. Printer is not turned on and online. Turn the printer on and make sure it is online. The correct printer driver for ...
Page 97 - Solving Keyboard and Mouse Problems; Solving Keyboard Problems
Service Reference Guide, dx2100 MT 404569-001 D–15 Troubleshooting Without Diagnostics Solving Keyboard and Mouse Problems Solving Keyboard Problems Problem Cause Solution Keyboard commands and typing are not recognized by the computer. Keyboard connector is not properly connected. 1. Turn off the c...
Page 98 - Solving Hardware Installation Problems
D–16 404569-001 Service Reference Guide, dx2100 MT 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 automaticall...
Page 100 - Solving Network Problems
D–18 404569-001 Service Reference Guide, dx2100 MT 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 not functioning. Wake-on-LAN is not ena...
Page 102 - Solving Memory Problems
D–20 404569-001 Service Reference Guide, dx2100 MT 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 Pr...
Page 103 - Solving Processor Problems
Service Reference Guide, dx2100 MT 404569-001 D–21 Troubleshooting Without Diagnostics Solving Processor Problems . Solving Processor Problems Problem Cause Solution Poor performance is experienced. Processor is hot. 1. Make sure the airflow to the computer is not blocked. 2. Make sure the fans are ...
Page 104 - Solving CD-ROM and DVD Problems
D–22 404569-001 Service Reference Guide, dx2100 MT Troubleshooting Without Diagnostics Solving CD-ROM and DVD Problems Solving CD-ROM and DVD Problems Problem Cause Solution System will not boot from CD-ROM or DVD drive. The CD-ROM or DVD boot is not enabled through the Computer Setup utility. Run t...
Page 105 - Solving Drive Key Problems; Solving Internet Access Problems
Service Reference Guide, dx2100 MT 404569-001 D–23 Troubleshooting Without Diagnostics Solving Drive Key Problems Solving Internet Access Problems Recording audio CDs is difficult or impossible. Wrong or poor quality media type. 1. Try using a slower recording speed. 2. Verify that you are using the...
Page 108 - Diagnostic Front Panel LEDs and Audible Codes
D–26 404569-001 Service Reference Guide, dx2100 MT 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...
Page 111 - Memory; contain the mandatory JEDEC SPD information
Service Reference Guide, dx2100 MT 404569-001 E–1 E Memory Computers equipped with Intel-based processors come with double data rate synchronous dynamic random access memory (DDR-SDRAM) dual inline memory modules (DIMMs). The memory sockets on the system board can be populated with up to four indust...
Page 112 - DIMM Sockets
E–2 404569-001 Service Reference Guide, dx2100 MT Memory DIMM Sockets There are four DIMM sockets on the system board, with two sockets per channel. The sockets are labeled XMM1, XMM2, XMM3, and XMM4. Sockets XMM1 and XMM2 operate in memory channel A. Sockets XMM3 and XMM4 operate in memory channel ...
Page 113 - Index
Sservice Reference Guide, dx2100 MT 404569-001 Index–1 Index 4-pin power pin assignments A–4 24-pin power pin assignments A–4 5.25 drive bezel blank 6–4 A access panel, removal and replacement 6–2 ATA/ATAPI (IDE) drive cable pin assignments A– 4 B battery real-time clock D–2 removal and replacement ...