HP dx2290 Service Reference Guide - HP Compaq dx2290 Business PC
HP dx2290 - Microtower PC Manual
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- HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 1
Service Reference Guide HP Compaq dx2290 Business PC - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 2
Microsoft and Windows are trademarks of Microsoft Corporation in the U.S. and other countries. The only warranties for HP products and services are set written consent of Hewlett-Packard Company. Service Reference Guide Business PCs Second Edition (September 2007) Document Part Number: 448513- - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 3
About This Book WARNING! Text set off in this manner indicates that failure to follow directions could result in bodily harm or loss of life. CAUTION: Text set off in this manner indicates that failure to follow directions could result in damage to equipment or loss of information. NOTE: Text set - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 4
iv About This Book - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 5
Table of contents 1 Install the Operating System Downloading Microsoft Windows Updates 1 Installing or Upgrading Device Drivers 2 Customizing the Monitor Display ...2 Microsoft System Restore ...2 System Recovery ...3 Creating Recovery Discs ...3 Choosing Recovery Disc Media 4 System Recovery - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 6
the Computer Case 22 Cleaning the Keyboard ...22 Cleaning the Monitor ...23 Cleaning the Mouse ...23 Service Considerations Microtower (MT) Chassis Preparation for Disassembly ...26 Computer Components ...27 Access Panel ...28 Front Bezel ...29 Memory ...30 DDR2-SDRAM DIMMs ...30 Installing Memory - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 7
Country-Specific Requirements ...68 Appendix C POST Error Messages Interpreting POST Audible Codes ...69 Appendix D Troubleshooting Without Diagnostics Safety and Comfort ...71 Before You Call for Technical Support 71 Helpful Hints ...72 Solving General Problems ...73 Solving Power Problems ...76 - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 8
Solving CD-ROM and DVD Problems 94 Solving Drive Key Problems ...96 Solving Front Panel Component Problems 97 Solving Internet Access Problems ...98 Solving Software Problems ...99 Index ...101 viii - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 9
button and follow the instructions on the screen. 7. After the updates have been installed, Windows will prompt you to reboot the computer. Be sure to save any files or documents that you may have open before rebooting. Then select Yes to reboot the computer. Downloading Microsoft Windows Updates 1 - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 10
for each of the devices. Obtain the latest support software, including support software for the operating system from http://www.hp.com/support. Select your country and language, select Download drivers and software, enter the model number of the computer, and press Enter. Customizing the Monitor - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 11
point for. 7. Click Create. 8. Follow the on-screen instructions. For more information about software restore points: 1. Click the Windows Start Button. 2. Click Help and Support. The Help and Support Center displays. 3. Type system restore into the Search box, and then click Search. System Recovery - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 12
://www.hp.com/support and visit the Software & Driver downloads page for your computer. Running System Recovery from the Hard Disk Drive Choose one of the following procedures to reinstall the software from the recovery image on your hard disk drive: ● Starting System Recovery from the Windows Vista - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 13
on the computer. 4. Click the Windows Start Button. 5. Click All Programs. 6. Click PC Help & Tools. 7. Click Recovery Manager. You are asked if you want to perform a Microsoft System Restore: ● If you want to perform a Microsoft System Restore, click Yes, and follow the on-screen instructions. ● If - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 14
into the appropriate drive tray (CD or DVD), and close the tray. 3. If the computer works: Click the Windows Start Button, click the Arrow desktop. Then, turn off the computer, reconnect all peripheral devices, and turn on the computer. 13. Reinstall software not originally installed on the computer - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 15
for graphics, audio, storage, communications, and input devices. ● View settings for processor and memory. ● Modify the boot order boot ability. Using Computer Setup (F10) Utilities Computer Setup can be accessed only by turning the computer on or restarting the system. To access the Computer - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 16
could become corrupted. It is safe to turn off the computer only after exiting the F10 Setup screen. Computer Setup-Main NOTE: Support for Computer Setup options may vary depending on hardware configuration. Table 2-1 Computer Setup-Main Option Description System Time Allows you to set system - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 17
Mode ◦ SATA Speed ◦ NCQ ◦ SMART Support System Information (view only) ● Installed Memory ● Memory Bank 1 ● Memory Bank 2 ● BIOS Revision ● Core Version ● Model Number ● Product Number ● Build ID Computer Setup-Advanced NOTE: Support for Computer Setup options may vary depending on - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 18
disable/enable the boot ROM of the onboard LAN chip. Supervisor Password Allows you to change supervisor password. User Password Allows you to change the user password. Onboard Audio Allows you to set the onboard audio to: ● Auto ● Disable ● Enable 10 Chapter 2 Computer Setup (F10) Utility - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 19
. CD-ROM Group Boot Specifies boot device priority within CD/DVD drives. Priority Hard Drive Group Boot Specifies boot device priority within hard drives. Priority Network Group Boot Priority Specifies boot device priority within bootable network devices. Computer Setup-Exit NOTE: Support for - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 20
changes. Save Changes Press Enter to save changes. Recovering the Configuration Settings To reset all BIOS Setup options to their default values (including options for ctrl+F10 only, or F11 for some models), you must enter F10 Setup mode and press F5. This does not include updates to system - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 21
Step 4 to start testing. 2. The first alert is usually a reminder to record a bootable diagnostic CD. In case the computer is ever unable to start, the bootable CD can be used to open Hardware Diagnostic Tools to help diagnose the problem. Do one of the following: ● Click Record Bootable Diagnostic - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 22
computer issue is caused by software program and not the hardware. ● Fail or Specific problem description: A problem was detected with the hardware device. Follow the detailed instructions to help fix the problem, or click one of the links to view related help topics in the Help and Support Center - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 23
ATA = PATA HP only supports the use of SATA hard drives on these models of computer. No PATA drives are supported. SATA Hard Data Cable Always use an HP approved SATA 3.0 Gb/s cable as it is fully backwards compatible with the SATA 1.5 Gb/s drives. Current HP desktop products ship with SATA 3.0 - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 24
12 V power ATA SMART Drives The Self Monitoring Analysis and Recording Technology (SMART) ATA drives for the HP Personal Computers have built-in drive failure prediction that warns the user or network administrator of an impending failure or crash of the hard drive. The SMART drive tracks fault - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 25
specification. Drive size calculations by drive manufacturers are bytes to the base 10 while calculations by Microsoft are bytes to the base 2. File System FAT 32 NTFS Drive/Partition Capacity Limits Controller Type ATA ATA Operating System Windows 2000/XP/Vista Windows 2000/XP/Vista Maximum - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 26
the power cord from the power source before opening the computer to prevent system board or component damage. Chassis Designations The following subsection illustrates the dx2290 chassis design. Microtower (MT) 18 Chapter 5 Identifying the Chassis, Routine Care, and Disassembly Preparation - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 27
a normal cycle. The device may function normally for a while, but it has been degraded in the internal layers, reducing its life expectancy. Networks built into many integrated circuits provide some protection, but in many cases, the discharge contains enough power to alter device parameters or melt - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 28
. ● Heel straps/Toe straps/Boot straps can be used at standing workstations and are compatible with most types of shoes or boots. On conductive floors or dissipative floor as ordinary plastic assembly aids and Styrofoam. ● Use field service tools, such as cutters, screwdrivers, and vacuums, that - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 29
dissipative table or floor mats with hard tie to ground ● Field service kits ● Static awareness labels ● Wrist straps and footwear straps against the front of the desktop unit as this also restricts airflow. ● Occasionally clean the air vents on all vented sides of the computer. Lint, dust, and - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 30
on page 22 before cleaning the keyboard. To clean the tops of the keys or the keyboard body, follow the procedures described in Cleaning the Computer Case on page 22. When cleaning debris from under the keys, review all rules in General Cleaning Safety Precautions on page 22 before following these - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 31
disconnect the power cord from the power source before opening the computer to prevent system board or component damage. Tools and Software Requirements To service the computer, you need the following: ● Torx T-15 screwdriver (HP screwdriver with bits, PN 161946-001) ● Torx T-15 screwdriver with - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 32
PN 166527-001) or HP tamper- resistant bits (Smart Cover FailSafe Key, PN 166527-002) Screws The screws used in the computer are not interchangeable. snagged by parts being removed or replaced. CAUTION: When servicing this computer, ensure that cables are placed in their proper location during the - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 33
chapter for the chassis you are working on in this guide for instructions on the replacement procedures. WARNING! This computer contains a lithium battery. There is a risk of fire public collection system or return them to HP, their authorized partners, or their agents. Service Considerations 25 - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 34
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. NOTE: Not all features listed in this guide are available on all computers. Computer internal components may vary - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 35
Components NOTE: The illustration shown below may look different than your computer model. 1 Dual-State Power Button 7 Hard Drive Activity Light 2 Optical Drive 8 Optical Drive Eject Button 3 5.25" Expansion Bay 9 Optical Drive Activity Light 4 3.5" Expansion Bay (optional media - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 36
captive screw (A) that secures the access panel to the PC chassis. 3. Use the handle to slide the access panel back about 2.5 cm (1 inch), and then lift it off the unit. To replace the access panel, reverse the removal steps. 28 Chapter 6 Removal and Replacement Procedures Microtower (MT) Chassis - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 37
Front Bezel 1. Prepare the computer for disassembly (Preparation for Disassembly on page 26). 2. Remove the access panel (Access Panel on page 28). 3. Pull the three tabs (B) away from the outside - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 38
panel and lay the computer down on its side to make it easier to work on (Access Panel on page 28). WARNING! To reduce risk of personal injury from hot surfaces, allow the internal system components to cool before touching. 30 Chapter 6 Removal and Replacement Procedures Microtower (MT) Chassis - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 39
installed in only one way. Match the notch on the module with the tab on the memory socket. 4. Push the module down into the socket, ensuring that the module is fully 3 and 4 for any additional modules that you want to install. To reassemble the computer, reverse the removal procedure. Memory 31 - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 40
computer, remove the screw that secures the slot cover lock in place (1), and then slide the slot cover lock up and away from the slots to remove it from the computer (2). To reinstall the slot cover lock, reverse the removal procedure. 32 Chapter 6 Removal and Replacement Procedures Microtower (MT - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 41
for disassembly (Preparation for Disassembly on page 26). 2. Remove the access panel (Access Panel on page 28). 3. Lay the computer down on its side to make it easier to work on. 4. Remove the slot cover lock (Expansion Slot Cover Lock on page 32). If you - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 42
the card aligned so the mounting bracket will fit firmly against the computer backwall, slide the expansion card into the expansion socket and press it cables to the installed card. 14. If necessary, reconfigure the computer. 34 Chapter 6 Removal and Replacement Procedures Microtower (MT) Chassis - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 43
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 - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 44
Removing and replacing drives Your PC has several drives that you can replace or upgrade. See Computer Components on page 27 for drive type and location. The hard disk drive is a Serial ATA (advanced technology attachment) drive, which uses a narrow data cable. Select models have a second hard disk - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 45
, the optical drives are secured by latches. On other models, the optical drives are secured by screws. Follow the instructions below for your model. ● Release the drive by pulling the latch out away from the chassis and then pulling the drive part way out of the front of the - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 46
to remove. For most drive cables, use a gentle rocking motion to free the plug. For Serial ATA hard disk drive cables, press the latch (select models only) in the center of each plug, and pull the plug from the drive connector. 6. Pull the drive out through the front of the chassis - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 47
plate out of the front cover. Discard the knockout plate. A 4. On some models, the optical drives are secured by latches. On other models, the optical drives are secured by screws. Follow the instructions below for your model. ● Release the drive by pulling the latch out away from the chassis and - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 48
into the hole labeled. On models with a screw securing the drive in place, slide the drive in through the front of the chassis until the bezel on the drive is evenly aligned with the computer front bezel and install the screw. 40 Chapter 6 Removal and Replacement Procedures Microtower (MT) Chassis - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 49
primary hard disk drive is located in the internal 3.5-inch drive cage. On other models, the primary hard disk drive is located in the external 3.5-inch drive bay as shown here. 1. Prepare the computer for disassembly (Preparation for Disassembly on page 26). 2. Remove the access panel (Access Panel - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 50
chassis. To replace the memory card reader, reverse the removal procedures. If the cable was routed through a clip on the hard drive cage, be sure to reroute the cable through this clip when installing the memory card reader. 42 Chapter 6 Removal and Replacement Procedures Microtower (MT) Chassis - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 51
the primary hard disk drive is located in the external 3.5-inch drive bay. For those models, refer to Removing the diskette or hard disk drive on page 41. 1. Prepare the computer for disassembly (Preparation for Disassembly on page 26). 2. Remove the access panel (Access Panel on page 28). 3. Remove - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 52
drive cage out of the chassis, and then remove the hard disk drive cables. Press the latch (5) (select models only) in the center of each plug (6), and pull the plug from the drive connector. 6 5 8. the hard disk drive cage. 44 Chapter 6 Removal and Replacement Procedures Microtower (MT) Chassis - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 53
the internal 3.5-inch drive cage as shown in this section. On other models, the primary hard disk drive is located in the external 3.5-inch drive NOTE: If you are replacing an old drive with a new drive, remove the four guide screws from the old drive, and use the screws to install the new drive. - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 54
the four guides on the bottom of the hard disk drive cage with the holes on the back of the chassis, and then slide it down toward the bottom of the chassis until it locks into place. 5. Attach the hard disk drive cables. 1 46 Chapter 6 Removal and Replacement Procedures Microtower (MT) Chassis - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 55
6. Attach the two screws that secure the hard disk drive cage to the chassis. Removing and replacing drives 47 - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 56
(Access Panel on page 28). 3. Remove the front bezel (Front Bezel on page 29). 4. Lay the computer down on its side for greater stability. 5. If the front I/O assembly cables and media card reader cables the removal procedures. 48 Chapter 6 Removal and Replacement Procedures Microtower (MT) Chassis - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 57
for disassembly (Preparation for Disassembly on page 26). 2. Remove the access panel (Access Panel on page 28). 3. Lay the computer down on its side for greater stability. 4. Disconnect the braided cable from the system board. 5. If necessary, remove the cable from the clips on the - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 58
on page 26). 2. Remove the access panel (Access Panel on page 28). 3. Lay the computer down on its side for greater stability. 4. Disconnect the cable that connects the system fan to the fan, reverse the removal procedures. 50 Chapter 6 Removal and Replacement Procedures Microtower (MT) Chassis - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 59
the retaining screws. CAUTION: Position the heatsink so that fan wiring is closest to the memory modules. Failure to install the heatsink in the correct position may result in the computer overheating. CAUTION: Heatsink retaining screws should be tightened in diagonally opposite pairs (as in an - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 60
on page 26). 2. Remove the access panel (Access Panel on page 28). 3. Lay the computer down on its side for greater stability. 4. Disconnect the heatsink control cable from the system board heatsink atop the processor. 52 Chapter 6 Removal and Replacement Procedures Microtower (MT) Chassis - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 61
the system board. NOTE: 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 ROM BIOS can be found on the Web at: http:///\h18000.www1.hp.com/support/files. Processor 53 - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 62
a new 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 ROM BIOS can be found on the Web at: http:///\h18000.www1.hp.com/support/ files. 54 Chapter 6 Removal and Replacement Procedures Microtower (MT) Chassis - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 63
battery only with the HP/Compaq spare designated for this product. CAUTION: Before replacing the battery, it is important to back up the computer CMOS settings. When the battery is removed or replaced, the CMOS settings will be cleared. Refer to the Troubleshooting Guide for information on backing - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 64
the computer access panel. 5. Plug in the computer and turn on power to the computer. 6. Reset the date and time, your passwords, and any special system setups, using Computer Setup. Refer to the Computer Setup (F10) Utility Guide. 56 Chapter 6 Removal and Replacement Procedures Microtower (MT - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 65
's lip with the positive side up (2). Push the other edge down until the clamp snaps over the other edge of the battery. 3. Replace the computer access panel. 4. Plug in the computer and turn on power to the computer. 5. Reset the date and time, your passwords, and any special system setups, using - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 66
the computer access panel. 4. Plug in the computer and turn on power to the computer. 5. Reset the date and time, your passwords, and any special system setups, using Computer Setup. Refer to the Computer Setup (F10) Utility Guide. 58 Chapter 6 Removal and Replacement Procedures Microtower (MT - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 67
necessary, press down on the tab in from of the power supply. 7. Slide the power supply toward the front of the computer, and then lift it out of the computer. To install the power supply, reverse the removal procedure. When inserting the main power supply connector into the connector on the system - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 68
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. Keyboard Connector and Icon Pin Signal 1 Data 2 Unused 3 Ground 4 +5 VDC 5 Clock 6 Unused - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 69
Ethernet RJ-45 Connector and Icon USB Connector and Icon Microphone Connector and Icon (1/8" miniphone) 1 23 Line-in Audio Connector and Icon (1/8" miniphone) 1 23 Pin Signal 1 (+) Transmit Data 2 (-) Transmit Data 3 (+) Receive Data 4 Unused 5 Unused 6 (-) Receive Data 7 Unused 8 - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 70
Line-out Audio Connector and Icon (1/8" miniphone) 1 23 Monitor Connector and Icon Pin Signal 1 Red Analog 2 Green Analog 3 Blue Analog 4 Not used 5 Ground 6 Ground 7 Ground 8 Ground Pin 1 (Tip) 2 ( - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 71
ATA/ATAPI (IDE) Standard Drive Cable Connector Pin Signal 1 Reset 2 Ground 3 DD7 4 DD8 5 DD6 6 DD9 7 DD5 8 DD10 9 DD4 10 DD11 11 DD3 12 DD12 13 DD2 14 DD13 24-Pin Power Connector 13 1 Pin Signal 1 +3.3V 2 +3.3V 3 GND 4 +5V 5 GND 6 +5V Pin Signal 15 - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 72
4-Pin Power (for CPU) Connector and Icon SATA Data and Power Drive Connector Pin Signal 1 GND 2 GND 3 +12V CPU 4 +12V CPU Pin Signal S1 Ground S5 BP1 Ground P5 BP9 V 5 P13 V 12 *S = Data, P = Power Pin Signal S2 A+ S6 B+ P2 V 3.3 P6 Ground P10 Ground P14 V12 Pin Signal S3 AS7 Ground P3 - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 73
PCI Express-Pin A x1, x4, x8, and x16 PCI Express Connector Pin A Pin Signal Pin Signal 1 PRSNT1 6 JTAG3 2 +12V 7 JTAG4 3 +12V 8 JTAG5 4 GND 9 +3.3V 5 JTAG2 10 +3.3V 26 PERn(2) 31 GND 27 GND 32 RSVD 28 GND 33 RSVD 29 PERp3 34 GND 30 PERn3 35 PERp4 51 GND 56 PERp9 52 PERp8 - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 74
PCI Express-Pin B x1, x4, x8, and x16 PCI Express Connector Pin B Pin Signal Pin Signal 1 +12V 6 SMDAT 2 +12V 7 GND 3 RSVD 8 +3.3 V 4 GND 9 JTAG1 5 SMCLK 10 3.3vAux 26 GND 31 PRSNT2# 27 PETp3 32 GND 28 PETn3 33 PETp4 29 GND 34 PETn4 30 RSVD 35 GND 51 PETn8 56 GND 52 GND 57 - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 75
are equipped with internal switches that sense the incoming voltage and automatically switch to the proper voltage. The power cord set received with the computer meets the requirements for use in the country where you purchased the equipment. Power cord sets for use in other countries must meet the - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 76
Requirements Additional requirements specific to a country are shown in parentheses and explained below. Country Accrediting Agency Country Accrediting Agency Australia (1) EANSW Italy (1) IMQ Austria (1) OVE Japan (3) METI Belgium (1) CEBC - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 77
computer restart, the probable source of the problem memory or memory configuration error. Check that the memory before graphics card initialized. 2. Upgrade the BIOS to proper CD found. 1. Check the type of drive that you are using and use the correct media type. 2. Replace the diskette or CD - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 78
. 3. If an expansion board was recently added, remove it to see if the problem remains. 4. Clear CMOS. 5. If the message disappears, there may be a problem with the expansion card. 6. Replace the system board. BIOS recovery was successful No action required. 70 Appendix C POST Error Messages - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 79
as diskette drive, hard drive, optical drive, graphics, audio, memory, and software problems. If you encounter problems with the computer, refer to the tables in this chapter for probable causes and recommended solutions. NOTE: For information on specific error messages that may appear on the screen - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 80
, refer to the HP Backup and Recovery Manager User Guide by selecting Start > HP Backup and Recovery > HP Backup and Recovery Manager Manual. CAUTION: Running the Restore Plus! CD will erase all data on the hard drive. Helpful Hints If you encounter problems with the computer, monitor, or software - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 81
printer, you need a driver for that model printer. ● Remove all bootable media (diskette, CD, or USB device) from the system before turning it on. ● If you have installed an operating system other than the factory-installed operating system, check to be sure that it is supported on the system. ● If - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 82
Computer Setup can also be used to update the RTC date and time). If the problem persists, replace the RTC battery. See the Hardware Reference Guide on the Documentation and Diagnostics CD for instructions volume. The audio device may be connected to the wrong jack on the rear of the computer or the - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 83
to improve performance by adjusting parameters in the application. 2. Add more memory. 3. Upgrade the graphics solution. Cause unknown. Restart the computer. System does not power on and the LEDs on the front of the computer are not flashing. Cause Solution System unable to power on. Press - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 84
for diskette problems are listed in the following table. NOTE: You may need to reconfigure the computer when you add or remove hardware, such as an additional diskette drive. See Solving Hardware Installation Problems on page 90 for instructions. 76 Appendix D Troubleshooting Without Diagnostics - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 85
Problems Diskette drive light stays on. Cause Diskette is damaged. Diskette is incorrectly inserted. Drive cable is not properly connected. Solution In Microsoft Windows XP another diskette. 2. Delete unneeded files from diskette. Enter Computer Setup and enable Main > Floppy Diskette A. Replace the - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 86
Open the locking device on the diskette. Enter Computer Setup and enable Main > Floppy Diskette A. A problem has occurred with a disk transaction. Cause Solution 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 - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 87
disk. Disk transaction problem. Cause Solution Either the directory structure is bad or there is a problem with In Windows XP, right-click Start, within Computer Setup. If it is listed, the probable cause is a driver problem. If it is not listed, the probable cause is a hardware problem. The - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 88
appropriate operating system. 4. Restore the system to a recovery point in HP Backup and Recovery Manager. Refer to the HP Backup and Recovery Manager User Guide in the Windows Start menu for more information. Hard drive boot has been disabled in Computer Setup. Run the Computer Setup utility and - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 89
. NOTE: Never remove the card when the green LED is flashing. After installing the media card reader and booting to Windows, the reader and the inserted cards are not recognized by the computer. Cause Solution The operating system needs time to recognize the device if the Wait a few seconds so - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 90
Card Reader Problems (continued) Computer will not boot from a USB removable drive or media that is inserted in the USB port on the media card reader. Cause Solution The media card reader is connected to the computer via the PCI card, which is not supported on the HP Desktop BIOS. The bootable - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 91
controller was upgraded, the correct graphics Install the video drivers included in the upgrade kit. drivers may not be loaded. Monitor is not capable of displaying requested resolution. Change requested resolution. Graphics card is bad. Replace the graphics card. Solving Display Problems 83 - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 92
. Refer to the documentation that came with the monitor for instructions. Image is not centered. Cause Position may need adjustment. the computer and enter Safe Mode. Change the monitor supports. settings to a supported setting then restart the computer so Troubleshooting Without Diagnostics - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 93
menu. Manually synchronize the Clock and Clock Phase onscreen display functions. To download a SoftPaq that will assist you with the synchronization, go to the following Web site, select the appropriate monitor, and download either SP32347 or SP32202: http://www.hp.com/support Graphics card is - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 94
Audio Problems Sound cuts in and out. Cause Processor resources are being used by other open applications. Direct sound latency, common in many media player applications. Solution Shut down all open processor-intensive applications. In Windows XP: 1. From the Control Panel, select Sounds and Audio - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 95
Solution Jacks have been reconfigured in the audio driver or application In the audio driver or application software, reconfigure the software. jacks or set the jacks to their default values. Solving Printer Problems If you encounter printer problems, see the documentation that came with the - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 96
Printer memory may be overloaded. Solution Install the correct printer driver for Problems Keyboard commands and typing are not recognized by the computer. Cause Solution Keyboard connector is not properly connected. Program in use has stopped responding to commands. 1. On the Windows Desktop - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 97
should not be on if you want to use the arrow keys. The Num Lock key can be disabled (or enabled) in Computer Setup. Table D-10 Solving Mouse Problems Mouse does not respond to movement or is too slow. Cause Program in use has stopped responding to commands. Mouse may need cleaning - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 98
from most computer stores. Solving Hardware Installation Problems You may need to reconfigure the computer when computer after completing installation of the new hardware. In Windows XP, use the Add Hardware Wizard and follow the instructions that appear on the screen. WARNING! When the computer - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 99
beeps and LED lights on the front of the computer. Beeps and flashing LEDs are codes for specific problems. 3. If you still cannot resolve the issue, contact Customer Support. Solving Network Problems Some common causes and solutions for network problems are listed in the following table. These - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 100
. 1. Run Computer Setup and enable network controller. 2. Enable the network controller in the operating system via Device Manager. Network driver is not properly loaded. Reinstall network drivers. See the Network & Internet Communications Guide on the Documentation and Diagnostics CD. System - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 101
, or remove a DIMM module. For those systems that support ECC memory, HP does not support mixing ECC and non-ECC memory. Otherwise, the computer will not boot the operating system. Table D-13 Solving Memory Problems System will not boot or does not function properly after installing additional - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 102
the processor heatsink is installed properly. Solving CD-ROM and DVD Problems If you encounter CD-ROM or DVD problems, see the common causes and solutions listed in the following table or to the documentation that came with the optional device. 94 Appendix D Troubleshooting Without Diagnostics - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 103
, the probable cause is a driver problem. If it is not listed, the probable cause is a hardware problem. The device is attached to a SATA port that has been disabled Run the Computer Setup utility and ensure the device's SATA in Computer Setup. port is enabled in Main. CD-ROM or DVD devices are - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 104
DVD-ROM drive. 1. Use Device Manager to remove or uninstall the device. 2. Restart the computer and let Windows detect the CD or DVD driver. Recording or copying CDs is difficult or impossible. Cause Wrong or poor quality media type. Solution 1. Try using a slower speed when recording. 2. Verify - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 105
in Main. Follow the procedures described in the "ROM Flash: Replicating the Setup: Creating a Bootable Device: Supported USB Flash Media Device" section of the Service Reference Guide. The computer boots to DOS after making a bootable Drive Key. Cause Solution Drive Key is bootable. Install the - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 106
server can store temporarily with the Web browser. This is useful for having the browser remember some specific information that the Web server can later retrieve.) Windows XP 1. Select Start > Control Panel. 2. Double-click Internet Options. 3. On the General tab, click the Delete Cookies button - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 107
If there are further problems, click the Troubleshoot button and follow the on-screen instructions. Solving Software Problems Most software problems occur as a result of the following: ● The application was not installed or configured correctly. ● There is insufficient memory available to run the - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 108
Verify that the software is certified by Microsoft for your version of Windows. of Windows (see program packaging for this information). Configuration files are corrupt. If possible, save all data, close all programs, and restart the computer. 100 Appendix D Troubleshooting Without Diagnostics - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 109
installation 1 CD-ROM or DVD problems 94 chasis types, illustrated 18 chassis, illustrated 18 cleaning computer 22 mouse 23 safety precautions 22 computer cleaning 22 connector pin assignments 60 country power cord set requirements 68 Customer Support 71 D device drivers, installing 2 disassembly - HP dx2290 | Service Reference Guide - HP Compaq dx2290 Business PC - Page 110
screws, correct size 24 SDRAM (synchronous dynamic random access memory 30 service considerations 23 software problems 99 servicing computer 23 spare part number tamper-resistent wrench 24 Torx T-15 screwdriver 23 specifications memory 30 static electricity 19 system board removal and replacement 54
Service Reference Guide
HP Compaq dx2290 Business PC