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Summary of Contents for HP Compaq Compaq dx2290
- Page 1 Service Reference Guide HP Compaq dx2290 Business PC...
- Page 2 © Copyright 2007 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice. 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 forth in the express warranty statements accompanying such products and services.
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Page 3: About This Book
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. - Page 4 About This Book...
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Page 5: Table Of Contents
Table of contents 1 Install the Operating System Downloading Microsoft Windows Updates ................... 1 Installing or Upgrading Device Drivers ....................1 Customizing the Monitor Display ......................2 Microsoft System Restore ........................3 System Recovery ..........................3 Creating Recovery Discs ........................4 Choosing Recovery Disc Media ................... - Page 6 Microtower (MT) ......................... 20 Electrostatic Discharge Information ....................20 Generating Static ....................... 21 Preventing Electrostatic Damage to Equipment ..............21 Personal Grounding Methods and Equipment ..............21 Grounding the Work Area ....................22 Recommended Materials and Equipment ................22 Operating Guidelines .......................... 23 Routine Care ............................
- Page 7 Appendix A Connector Pin Assignments Keyboard ............................55 Mouse ..............................55 Ethernet RJ-45 ........................... 55 USB ..............................56 Microphone ............................56 Line-in Audio ............................56 Line-out Audio ............................ 56 Monitor ............................... 57 ATA/ATAPI (IDE) Standard Drive Cable .................... 58 24-Pin Power ............................58 4-Pin Power (for CPU) ........................
- Page 8 viii...
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Page 9: Install The Operating System
Install the Operating System CAUTION: Do not add optional hardware or third-party devices to your computer until the operating system is successfully installed. Doing so may cause errors and may prevent the operating system from installing properly. Once the automatic installation has begun, DO NOT TURN OFF THE COMPUTER UNTIL THE PROCESS IS COMPLETE. -
Page 10: Customizing The Monitor Display
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 Display If you wish, you can select or change the monitor model, refresh rates, screen resolution, color settings, font sizes, and power management settings. -
Page 11: Microsoft System Restore
Microsoft System Restore Microsoft Windows Vista includes a feature that allows you to restore your computer configuration to a previous time when a current software problem did not exist. The feature does this by creating a restore point where it records the computer settings at that time and date. When a new program is installed, the operating system automatically creates a restore point before it adds the new software. -
Page 12: Creating Recovery Discs
System Recovery — Completely erases and reformats the hard disk drive — this includes deleting all data files you have created. System Recovery reinstalls the operating system, programs, and drivers. However, you must reinstall any software that was not installed on the computer at the factory. This includes software that came on CDs included in the computer accessory box, and software programs you installed since your purchase. -
Page 13: System Recovery Options
The Recovery Disc Creator window appears. Follow the on-screen instructions. Label each disc as you make it (for example, Recovery 1, Recovery 2). Store the Recovery discs in a safe place. System Recovery Options System Recovery should be attempted in the following order: ●... -
Page 14: Starting System Recovery From System Startup
Starting System Recovery from system startup Turn off the computer. If necessary, press and hold the On button until the computer turns off. Disconnect all peripheral devices from the computer except the monitor, the keyboard, and the mouse. Press the On button to turn on the computer. During startup, to enter the Recovery Manager program, when the blue screen with the HP Invent logo appears, press the key on the keyboard. - Page 15 Complete the computer startup, finish the registration process, and wait until you see the desktop. Then, turn off the computer, reconnect all peripheral devices, and turn on the computer. Reinstall software not originally installed on the computer by the factory. Copy data files from the backup disc to your hard disk drive.
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Page 16: Computer Setup (F10) Utility
Computer Setup (F10) Utility Computer Setup (F10) Utilities Use Computer Setup (F10) Utility to do the following: ● Change factory default settings. ● Set the system date and time. ● Set, view, change, or verify the system configuration, including settings for graphics, audio, storage, communications, and input devices. -
Page 17: Computer Setup-Main
Use the arrow keys to select the appropriate heading, then press Enter. Use the arrow (up and down) keys to select the option you want, then press Enter. To return to the previous screen, press Esc. CAUTION: Do NOT turn the computer power OFF while the ROM is saving the Computer Setup (F10) changes because the CMOS could become corrupted. -
Page 18: Computer Setup-Advanced
● (view only) ◦ Device ◦ Vendor ◦ Size ◦ LBA Mode ◦ Block Mode ◦ PIO Mode ◦ Async DMA ◦ Ultra DMA ◦ SATA Speed ◦ ● System Identification ◦ Installed Memory ◦ Memory Bank 1 ◦ Memory Bank 2 ◦... -
Page 19: Computer Setup-Power
Table 2-2 Computer Setup—Advanced (continued) ● Onboard Video Memory Size ● PS/2 Mouse Allows you to set: ● Disabled ● Enabled ● Auto Detect Onboard PATA/SATA Allows you to: Adapters ● Enable/Disable PATA Controller ● Enable/Disable SATA1 Controller USB Legacy Mode Allows you to set: Support ●... - Page 20 Table 2-3 Computer Setup—Power (continued) After AC Power Failure Allows you to select system restart behavior after power loss: ● Stay Off ● Power On ● Auto Disables/enables XD. Chapter 2 Computer Setup (F10) Utility...
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Page 21: Computer Setup-Boot
Computer Setup—Boot NOTE: Support for specific Computer Setup options may vary depending on the hardware configuration. Table 2-4 Computer Setup—Boot Option Description Boot-time Diagnostic Disables/enables POST diagnostic messages display. Screen 1st Boot Device Allows you to specify which device groups will boot first, second, third, and fourth or to disable any of the four: 2nd Boot Device ●... -
Page 22: Recovering The Configuration Settings
Recovering the Configuration Settings To reset all BIOS Setup options to their default values (including options for ctrl+F10 for Vista, or for Windows XP), you must enter F10 Setup mode and press F5. This does not include updates to system date, system time, supervisor password, user password, and CPU frequency multiplier. -
Page 23: Hp Hardware Diagnostics
HP Hardware Diagnostics HP Hardware Diagnostics HP Hardware Diagnostic Tools is a hardware diagnostic program that is preinstalled on your computer. Use it to test computer hardware and troubleshoot computer issues. Step 1: Before you begin Close all programs and turn off the screen saver. Most of the tests take only a few minutes to complete, however, some tests may take longer and use a lot of system resources. -
Page 24: Step 4: Test A Device
Do one of the following: ● Use the tools in the System Tools section to resolve the issue now. Click Help for more information. ● Click Next to read the next alert. If the issue is not resolved, the alert will display again next time Hardware Diagnostic Tools is opened. -
Page 25: Serial And Parallel Ata Drive Guidelines And Features
Serial and Parallel ATA Drive Guidelines and Features NOTE: Serial ATA = SATA Parallel ATA = PATA HP only supports the use of SATA hard drives on these models of computer. No PATA drives are supported. 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 26: Sata Power Cable
P5** Receive data Transmit data P6** Receive data Transmit data Ground Ground Ground *P2 and P3 differential signal pair **P5 and P6 differential signal pair SATA Power Cable Usage Notes Usage Notes V3.3 3.3 V power 5 V power V3.3 3.3 V power Ground V3.3... - Page 27 Maximum Size File System Controller Type Operating System Partition Drive FAT 32 Windows 2000/ XP 32 GB 2 TB NTFS Windows NT/2000/XP 2 TB 2 TB Hard Drive Capacities...
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Page 28: Identifying The Chassis, Routine Care, And Disassembly Preparation
Identifying the Chassis, Routine Care, and Disassembly Preparation This chapter provides general service information for the computer. Adherence to the procedures and precautions described in this chapter is essential for proper service. CAUTION: When the computer is plugged into an AC power source, voltage is always applied to the system board. -
Page 29: Generating Static
Generating Static The following table shows that: ● Different activities generate different amounts of static electricity. ● Static electricity increases as humidity decreases. Relative Humidity Event Walking across carpet 7,500 V 15,000 V 35,000 V Walking across vinyl floor 3,000 V 5,000 V 12,000 V Motions of bench worker... -
Page 30: Grounding The Work Area
● 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 mats, use them on both feet with a maximum of one-megohm ± 10% resistance between the operator and ground. Static Shielding Protection Levels Method Voltage... -
Page 31: Operating Guidelines
● Opaque shielding bags ● Transparent metallized shielding bags ● Transparent shielding tubes Operating Guidelines To prevent overheating and to help prolong the life of the computer: ● Keep the computer away from excessive moisture, direct sunlight, and extremes of heat and cold. ●... -
Page 32: Cleaning The Keyboard
To clean the computer case, follow the procedures described below: ● To remove light stains or dirt, use plain water with a clean, lint-free cloth or swab. ● For stronger stains, use a mild dishwashing liquid diluted with water. Rinse well by wiping it with a cloth or swab dampened with clear water. -
Page 33: Service Considerations
Service Considerations Listed below are some of the considerations that you should keep in mind during the disassembly and assembly of the computer. Power Supply Fan The power supply fan is a variable-speed fan based on the temperature in the power supply. CAUTION: The cooling fan is always on when the computer is in the “On”... -
Page 34: Hard Drives
Hard Drives Handle hard drives as delicate, precision components, avoiding all physical shock and vibration. This applies to failed drives as well as replacement spares. ● If a drive must be mailed, place the drive in a bubble-pack mailer or other suitable protective packaging and label the package “Fragile: Handle With Care.”... -
Page 35: 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. NOTE: Not all features listed in this guide are available on all computers. - Page 36 Use the handle to slide the access panel back about 2.5cm (1–inch), then lift it off the unit. Figure 6-1 Removing the Access Panel To replace the access panel, reverse the removal steps. Chapter 6 Removal and Replacement Procedures— Microtower (MT) Chassis...
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Page 37: Front Bezel
Front Bezel Prepare the computer for disassembly (Preparation for Disassembly on page Remove the access panel (Access Panel on page 27 Lift all three tabs on the right side of the bezel then, rotate the bezel off the chassis, beginning with the right side and then the left side. -
Page 38: Memory
Memory The computer comes with double data rate 2 synchronous dynamic random access memory (DDR2- SDRAM) dual inline memory modules (DIMMs). CAUTION: DDR and DDR2 memory modules are not interchangeable. DDR2-SDRAM DIMMs The memory sockets on the system board can be populated with up to two industry-standard DIMMs. These memory sockets are populated with at least one preinstalled DIMM. - Page 39 Open both latches of the memory module socket (1), and insert the memory module into the socket (2). Begin by installing a module into the socket nearest the pre-installed module, and install the modules following the numerical order of the sockets. Figure 6-3 Installing a Memory Module NOTE:...
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Page 40: Expansion Cards
Expansion Cards Expansion Slot Cover Lock Prepare the computer for disassembly (Preparation for Disassembly on page Remove the access panel (Access Panel on page Lay the computer down on its side to make it easier to work on. On the rear of the computer, remove the screw that secures the slot cover lock in place (1) then, slide the slot cover lock up and away from the slots to remove it from the computer (2). -
Page 41: Pci/Pcie Expansion Card
PCI/PCIe Expansion Card To remove an expansion card continue with step 1. To install an expansion card in an existing empty slot go to step 9. Prepare the computer for disassembly (Preparation for Disassembly on page Remove the access panel (Access Panel on page Lay the computer down on its side to make it easier to work on. - Page 42 With 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 firmly into place. Figure 6-5 Installing a PCI Express Card NOTE: When you install an expansion card, make sure you press firmly on the card so that the entire connector seats properly in the expansion card socket.
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Page 43: Cable Management
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 44 Some cable ends have a release latch that must be compressed to remove them from the device. Figure 6-7 Cable Release Latch Chapter 6 Removal and Replacement Procedures— Microtower (MT) Chassis...
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Page 45: Cable Connections
Cable Connections Cable Cable Designator Power Supply SATA Hard drive Power Supply System board, 24–pin Power Supply CPU power, 4-pin Power Supply SATA optical drive Power Supply Not Used P2, P3, P4, P5, P6 Power Supply Diskette drive (not used) Cable Management... -
Page 46: Drives
Drives The computer supports up to five drives that may be installed in various configurations. This Section describes the procedure for replacing or upgrading the storage drives. A Phillips screwdriver is needed to remove and install the guide screws on a drive. CAUTION: Make sure personal files on the hard drive are backed up to an external storage device before removing the hard drive. -
Page 47: Optical Disc Drive
Optical Disc Drive Prepare the computer for disassembly (Preparation for Disassembly on page Remove the access panel (Access Panel on page Remove the front bezel (Front Bezel on page Lay the computer down on its side for greater stability. Disconnect the power and data cables from the back of the drive. Pull the latch away from the chassis then, slide the drive out the front of the chassis. - Page 48 Lay the computer down on its side for greater stability. Disconnect the power, and data cables from the back the drive. Remove the screw that secures the card reader to the chassis. Figure 6-10 Removing the Retaining Screw Push the drive away from the retaining screw then, pull it out of the chassis. Figure 6-11 Removing the Card Reader To replace the card reader, reverse the removal procedure.
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Page 49: Removing The Hard Drive
Removing the Hard Drive Prepare the computer for disassembly (Preparation for Disassembly on page Remove the access panel (Access Panel on page Lay the computer down on its side for greater stability. Disconnect the power, and data cables from the back the drive. Remove the two screws that secure the drive cage to the chassis. - Page 50 Remove the four screws that secure the drive in the drive cage then, slide the drive out of the cage. Figure 6-14 Removing the Hard Drive To replace the hard drive cage, reverse the removal procedure. NOTE: If you replaced the primary hard drive, the Restore Plus!CD may be used to restore the operating system, software drivers, and/or any software applications that were preinstalled on the computer.
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Page 51: Front I/O Panel Housing Assembly
Front I/O Panel Housing Assembly Prepare the computer for disassembly (Preparation for Disassembly on page Remove the access panel(Access Panel on page Remove the front bezel (Front Bezel on page Lay the computer down on its side for greater stability. Free any of the front IO cables from the cable tie as needed. -
Page 52: Power Switch Assembly
Power Switch Assembly Prepare the computer for disassembly (Preparation for Disassembly on page 27). Remove the access panel (Access Panel on page Lay the computer down on its side for greater stability. Disconnect the braided cable from the system board. Squeeze the right side of the switch holder (1) and slide the switch to the left (2) then, rotate the switch out of the chassis. -
Page 53: System Fan
System Fan Prepare the computer for disassembly (Preparation for Disassembly on page Remove the access panel (Access Panel on page Lay the computer down on its side for greater stability. Disconnect the cable that connects the system fan to the system board. Remove the screws that secure the fan to the chassis and remove the fan. -
Page 54: Heatsink
Heatsink Prepare the computer for disassembly (Preparation for Disassembly on page Remove the access panel (Access Panel on page Lay the computer down on its side for greater stability. Disconnect the heatsink control cable from the system board. Loosen the four captive screws that secure the heatsink to the system board. Lift the heatsink from atop the processor and set it on its side to keep from contaminating the work area with thermal grease. -
Page 55: Processor
Processor Prepare the computer for disassembly (Preparation for Disassembly on page 27). Remove the access panel . (Access Panel on page 27). Lay the computer down on its side for greater stability. Disconnect the heatsink control cable from the system board and remove the heatsink. Heatsink on page 46 Rotate the locking lever to its full open position (1). - Page 56 Go to step 7. If using a new heatsink, remove the protective covering from the bottom of the heatsink and place it in position atop the processor. 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.
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Page 57: System Board
System Board Prepare the computer for disassembly (Preparation for Disassembly on page Remove the access panel.(Access Panel on page Remove the front bezel . (Front Bezel on page 29). Lay the computer down on its side for greater stability. Disconnect the power, and data cables from the back of all installed drives. Disconnect all cables from the system board. -
Page 58: Battery
Battery The battery that comes with your computer provides power to the real-time clock and has a lifetime of about three years. When replacing the battery, use a battery equivalent to the battery originally installed on the computer. The computer comes with a 3-volt lithium coin cell battery. NOTE: The lifetime of the lithium battery can be extended by plugging the computer into a live AC wall socket. -
Page 59: Type 1 Battery Holder
Type 1 Battery Holder Lift the battery out of its holder. Figure 6-21 Type 1 Battery Holder Slide the replacement battery into position, positive side up. The battery holder automatically secures the battery in the proper position. Replace the computer access panel. Plug in the computer and turn on power to the computer. -
Page 60: Type 2 Battery Holder
Type 2 Battery Holder 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). To insert the new battery, slide one edge of the replacement battery under the holder’s lip with the positive side up (2). -
Page 61: Type 3 Battery Holder
Type 3 Battery Holder Pull back on the clip (1) that holds the battery in place, then remove the battery (2). Insert the new battery and position the clip back in place. Figure 6-23 Type 3 Battery Holder Replace the computer access panel. Plug in the computer and turn on power to the computer. -
Page 62: Power Supply
Power Supply 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. Prepare the computer for disassembly (Preparation for Disassembly on page Remove the access panel... -
Page 63: Appendix A Connector Pin Assignments
Connector Pin Assignments This appendix contains the pin assignments for many computer and workstation connectors. Some of these connectors may not be used on the product being serviced. Keyboard Connector and Icon Signal Data Unused Ground +5 VDC Clock Unused Mouse Connector and Icon Signal... -
Page 64: Usb
(+) Transmit Data (-) Transmit Data (+) Receive Data Unused Unused (-) Receive Data Unused Unused Connector and Icon Signal +5 VDC - Data + Data Ground Microphone Connector and Icon (1/8” miniphone) Signal 1 (Tip) Audio_left 1 2 3 2 (Ring) Audio_Right 3 (Shield) -
Page 65: Monitor
Monitor Connector and Icon Signal Signal Red Analog +5V (fused) Green Analog Ground Blue Analog Not used Not used DDC Serial Data Ground Horizontal Sync Ground Vertical Sync Ground DDC Serial Clock Ground Monitor... -
Page 66: Ata/Atapi (Ide) Standard Drive Cable
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 Signal Signal... -
Page 67: 4-Pin Power (For Cpu)
4-Pin Power (for CPU) Connector and Icon Signal +12V CPU +12V CPU SATA Data and Power Drive Connector Signal Signal Signal Signal Ground Ground Ground Ground V 3.3 V 3.3 Ground Ground Ground Reserved Ground V 12 V 12 *S = Data, P = Power PCI Express—Pin A x1, x4, x8, and x16 PCI Express Connector Pin A... -
Page 68: Pci Express-Pin B
PERn(2) PERn4 RSVD PERp7 RSVD PERp6 PERn7 PERp3 PERp5 PERn6 PERn3 PERp4 PERn5 RSVD PERp9 PERn10 PERp8 PERn9 PERp13 PERN8 PERp12 PERn13 PERp11 PERn12 PERp10 PERn11 PERp14 PERn15 PERn14 PERp15 Pin B information is on the next page NOTE: x1 PCI Express uses pins 1-18 x4 PCI Express uses pins 1-32 x8 PCI Express uses pins 1-49 x16 PCI Express uses pins 1-8... - Page 69 PETn3 PETp4 PETn5 PRSNT2# PETn4 RSVD PETp7 PETp8 PETn8 PETp12 PETn13 PETp11 PETn12 PETp10 PETn11 PETp9 PETn10 PETp14 PETn9 PETp13 PETn14 PRSNT2# RSVD PETp15 PETn15 Pin B information is on the next page NOTE: x1 PCI Express uses pins 1-18 x4 PCI Express uses pins 1-32 x8 PCI Express uses pins 1-49 x16 PCI Express uses pins 1-8...
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Page 70: Appendix B Power Cord Set Requirements
Power Cord Set Requirements The power supplies on some computers have external power switches. The voltage select switch feature on the computer permits it to operate from any line voltage between 100-120 or 220-240 volts AC. Power supplies on those computers that do not have external power switches are equipped with internal switches that sense the incoming voltage and automatically switch to the proper voltage. - Page 71 Finland (1) SETI United Kingdom (1) France (1) United States (2) Germany (1) The flexible cord must be Type HO5VV-F, 3-conductor, 0.75mm conductor size. Power cord set fittings (appliance coupler and wall plug) must bear the certification mark of the agency responsible for evaluation in the country where it will be used. The flexible cord must be Type SVT or equivalent, No.
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Page 72: Appendix C Post Error Messages
POST Error Messages This appendix lists the error codes, error messages, and the various indicator light and audible sequences that you may encounter during Power-On Self-Test (POST) or computer restart, the probable source of the problem, and steps you can take to resolve the error condition. Interpreting POST Audible Codes This section covers 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 73 If the message disappears, there may be a problem with the expansion card. Replace the system board. 5 short beeps followed by a BIOS recovery was successful No action required. three second pause Interpreting POST Audible Codes...
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Page 74: Appendix D Troubleshooting Without Diagnostics
Troubleshooting Without Diagnostics This chapter provides information on how to identify and correct minor problems, such 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 during Power-On Self-Test (POST) at startup, refer to Appendix A,... -
Page 75: Helpful Hints
If it becomes necessary to call for technical assistance, be prepared to do the following to ensure that your service call is handled properly: ● Be in front of your computer when you call. ● Write down the computer serial number and product ID number, and the monitor serial number before calling. -
Page 76: Solving General Problems
monitor connectors are disabled and if the monitor is connected into these ports, the monitor will not function. You can select which source will be the default VGA source in Computer Setup. CAUTION: When the computer is plugged into an AC power source, there is always voltage applied to the system board. -
Page 77: Solving Audio Problems
Table D-6 Solving Display Problems Solving Audio Problems If the computer has audio features and you encounter audio problems, see the common causes and solutions listed in the following table. Table D-7 Solving Audio Problems Solving Printer Problems If you encounter printer problems, see the documentation that came with the printer and to the common causes and solutions listed in the following table. -
Page 78: Solving Processor Problems
CAUTION: Power may still be supplied to the DIMMs when the computer is turned off. To avoid damage to the DIMMs or the system board, you must unplug the computer power cord before attempting to reseat, install, or remove a DIMM module. For those systems that support ECC memory, HP does not support mixing ECC and non-ECC memory. - Page 79 NOTE: HP Backup and Recovery Manager can be used to restore the software to a recovery point or to restore the system to its factory configuration. If you encounter software problems, see the applicable solutions listed in the following table. Table D-19 Solving Software Problems Solving Software Problems...
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Page 80: Index
Index Symbols/Numerics computer cleaning 23 removal and replacement 41 24–pin power pin connector pin assignments 55 SATA characteristics 17 assignments 58 country power cord set hard drive problems 68 4–pin power pin assignments 59 requirements 62 hardware installation Customer Support 66 problems 69 heatsink removal and access panel, removal and... - Page 81 front bezel 29 ventilation, proper 23 operating guidelines 23 front I/O panel 43 optical drive problems 70 hard drive 41 overheating, prevention 23 heatsink 46 memory 30 power switch assembly 44 PCI Express pin assignments 59 processor 47 POST error messages 64 system board 49 power cord set requirements system fan 45...