Compaq d240 HP Compaq Business Desktop d200 Series Personal Computers Service
Compaq d240 - Microtower Desktop PC Manual
View all Compaq d240 manuals
Add to My Manuals
Save this manual to your list of manuals |
Compaq d240 manual content summary:
- Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 1
service reference guide Business Desktop d200 Series 4th Edition This document provides information on the removal and replacement of all parts as well as information on troubleshooting, Desktop Management, setup utilities, Parallel ATA drives, safety, routine care, connector pin assignments, POST - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 2
- Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 3
Service Reference Guide Business Desktop d200 Series 4th Edition Document Part Number: 336493-004 March 2004 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 4
HP products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. HP to equipment or loss of information. Service Reference Guide Business Desktop d200 Series First Edition ( - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 5
Contents 1 Installing the Operating System 1.1 Microsoft Windows XP 1-1 1.1.1 Installing or Upgrading Device Drivers 1-1 1.2 Converting to NTFS 1-2 1.2.1 Windows XP Home and XP Professional 1-2 1.3 HP Software 1-2 2 Setup Utilities and Diagnostics Features 2.1 Power-On Self-Test (POST 2-1 2.2 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 6
USB Device 6-14 6.9 Power Switch Assembly 6-16 6.10Speaker 6-17 6.11Air Baffle 6-18 6.12Chassis Fan 6-20 6.13Processor and Heatsink 6-21 6.14System Board 6-22 6.15Battery 6-23 6.15.1Type 1 Battery Holder 6-24 6.15.2Type 2 Battery Holder 6-25 Service Reference Guide, d200 336493-004 iv - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 7
Contents 6.16Power Supply 6-26 A Connector Pin Assignments B Power Cord Set Requirements C POST Error Messages D Troubleshooting Without Diagnostics E Memory Index Service Reference Guide, d200 336493-004 v - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 8
Contents vi 336493-004 Service Reference Guide, d200 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 9
Read and follow the instructions that appear on the HP- or Compaq-specific integration of the operating system for the computer model and include device drivers supported drivers. The latest support software is also available from the Web site at http://www.hp.com/support. Service Reference Guide - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 10
other software is user-installed. Certain drivers and utilities are available only in HP Web site at http://www.hp.com/support ■ HP Restore Plus! CD, which is supplied with many HP models ✎ Additional HP software may be required in certain situations. 1-2 336493-004 Service Reference Guide - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 11
information needed about the computer system when contacting Customer Support. These tools can also be used to: ■ Change All features identified in this chapter may not be available on all HP products. 2.1 Power-On Self-Test (POST) POST is a series ." Service Reference Guide, d200 336493-004 2-1 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 12
Self-Test (POST). ■ Execute self-tests on a specified IDE (ATA) hard drive (when supported by the drive). 2.2.1 Using Computer Setup (F10) Utilities Computer Setup can be accessed only by turning return to the Computer Setup Utilities menu, press Esc. 2-2 336493-004 Service Reference Guide, d200 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 13
changes because the CMOS could become corrupted. It is safe to turn off all power to the computer after you exit the F10 Setup screen. Service Reference Guide, d200 336493-004 2-3 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 14
delay time disable (default) • 5: POST delay of 5 seconds • 15: POST delay of 15 seconds • 25: POST delay of 25 seconds • 35: POST delay of 35 seconds ✎ Support for Computer Setup options may vary depending on your specific hardware configuration. 2-4 336493-004 Service Reference Guide, d200 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 15
is only selectable with the Intel HTT CPU plug-in.) • Enable: Intel HTT function auto detect). Internal Graphic Mode Select (d220, d228, and d230 models only) Selects the size Support for Computer Setup options may vary depending on your specific hardware configuration. Service Reference Guide - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 16
, d228) supported (default) OnBoard Serial Port Sets the OnBoard Serial Port settings • Auto (default) • Disable • 3F8/COM1 • 2F8/COM2 • 3E8/COM3 • 2E8/COM4 ✎ Support for Computer Setup options may vary depending on your specific hardware configuration. 2-6 336493-004 Service Reference Guide - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 17
3VSB) Detects current HVcc voltage (d240, d248 only). Password Option Change Supervisor Password Allows you to set and change the supervisor password. ✎ Support for Computer Setup options may vary depending on your specific hardware configuration. Service Reference Guide, d200 336493-004 2-7 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 18
Without Savings None Allows you to exit setup without saving any changes. ✎ Support for Computer Setup options may vary depending on your specific hardware configuration. 2.3 See the Restore Plus! CD for complete instructions on using this feature. 2-8 336493-004 Service Reference Guide, d200 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 19
Security ✎ Support for specific features described in this guide may vary by model or software version. 3.1 Initial Configuration and Deployment HP computers come of system software, configuration management and troubleshooting, and power management. Service Reference Guide, d200 336493-004 3-1 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 20
your ROM, you may: ■ Order an upgraded ROMPaq™ diskette from HP. ■ Download the latest ROMPaq images from http://www.hp.com/support. 3.2.1 FailSafe Boot Block ROM The FailSafe Boot Block ROM allows section, select the desired power button setting. 3-2 336493-004 Service Reference Guide, d200 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 21
the latest support software easier. You can download the software from http://www.hp.com/support. The Web site contains the latest device drivers, utilities, and flashable ROM images needed to run the latest Microsoft Windows operating system on your HP computer. Service Reference Guide, d200 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 22
the utility. 3. Select Security, then select Setup Password and follow the instructions on the screen. 4. Before exiting, click File > Save Changes and Exit follow the instructions on the screen. 4. Before exiting, click File > Save Changes and Exit. 3-4 336493-004 Service Reference Guide, d200 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 23
for information about the alternate delimiter characters. The power-on password and setup password may also be changed using the Security options in Computer Setup. Service Reference Guide, d200 336493-004 3-5 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 24
surge. This power supply is rated to withstand a power surge of up to 2000 volts without incurring any system downtime or data loss. 3-6 336493-004 Service Reference Guide, d200 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 25
■ Device 1 connector = gray face ✎ The color code of an industry-standard cable is valid only if the drive's jumper is in the cable-select position. Service Reference Guide, d200 336493-004 4-1 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 26
the ATA controllers in a specified sequence. This sequence is determined by the device class of the drives and by specific attach sequence rules. 4-2 336493-004 Service Reference Guide, d200 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 27
or more of which are hard drives, two hard drives should be attached to the primary controller first before following the General Attach Sequence Rule. Service Reference Guide, d200 336493-004 4-3 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 28
Device Class Position Number Controller Name Device Number Two examples of how to use the worksheet are: ■ Three device installation ■ Four device installation 4-4 336493-004 Service Reference Guide, d200 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 29
devices may be reidentified as: ■ Ultra ATA-100 hard drive = Class 1 ■ Ultra ATA-100 hard drive = Class 1 ■ DVD-CDR/W drive = Class 2 ■ ZIP-250 drive = Class 4 Service Reference Guide, d200 336493-004 4-5 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 30
). 4.4 SMART 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 a failure is imminent, it generates a fault alert. 4-6 336493-004 Service Reference Guide, d200 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 31
Windows NT/2000/XP Windows NT/2000/XP Maximum Size Partition 32 GB 32 GB 128 GB 2TB Drive 128 GB 2 TB 128 GB 2TB Service Reference Guide, d200 336493-004 4-7 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 32
Ultra ATA Drive Guidelines and Features 4-8 336493-004 Service Reference Guide, d200 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 33
computer. Adherence to the procedures and precautions described in this chapter is essential for proper service. Ä CAUTION: When the computer is plugged into an AC power source voltage is the basic chassis that are identified in the table that follows. Service Reference Guide, d200 336493-004 5-1 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 34
d228, d230 d240, d248 Power supply mounting method Removable power supply support bracket No support the side Processor cooling method Air baffle Chassis fan Memory Single channel Dual channel Number of V ✎ 700 volts can degrade a product. 5-2 336493-004 Service Reference Guide, d200 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 35
or PCB laminate. Handle them only at static-free work areas. ■ Turn off power and input signals before inserting and removing connectors or test equipment. Service Reference Guide, d200 336493-004 5-3 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 36
resistance ■ Static-dissipative table or floor mats with hard tie to ground ■ Field service kits ■ Static awareness labels ■ Wrist straps and footwear straps providing one-megohm +/- 10 glasses equipped with side shields when cleaning the keyboard. 5-4 336493-004 Service Reference Guide, d200 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 37
damage a component. Never use solvents or flammable liquids on the monitor. ■ To clean the monitor body follow the procedures in Section 5.3.2, "Cleaning the Computer Case." Service Reference Guide, d200 336493-004 5-5 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 38
Service Fan The power supply fan is a variable-speed fan based on the temperature in the power supply. Ä CAUTION: The cooling fan fan service the computer, you need the following: ■ Torx T-15 screwdriver (HP HP tamper-resistant T-15 wrench (Smart Cover FailSafe Key, PN 166527-001) or HP . HP strongly - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 39
Identifying the Chassis, Routine Care, and Disassembly Preparation ✎ As each subassembly is removed from the computer, it should be placed away from the work area to prevent damage. Service Reference Guide, d200 336493-004 5-7 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 40
removed or replaced. Ä CAUTION: When servicing this computer, ensure that cables are placed protective packaging until they are actually mounted in the CPU. ■ Avoid dropping drives from any height onto chassis you are working on in this guide for instructions on the replacement procedures. Å WARNING: - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 41
operate properly. ✎ Not all features listed in this guide are available on all computers. 6.1 Preparation for Disassembly See systems the cooling fan is on even when the computer is in the "Standby," or "Suspend" modes. The power cord should always be disconnected before servicing a unit. - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 42
the removal steps. ✎ The two access panels are physically identical. One access panel has captive thumbscrews that may be removed by unscrewing them. 6-2 336493-004 Service Reference Guide, d200 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 43
bezel is flush with the top of the chassis before pressing it into place. ✎ Some models may not have an air shroud surrounding the processor. Service Reference Guide, d200 336493-004 6-3 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 44
panel (Section 6.3, "Front Bezel"). 3. Remove the front bezel (Section 6.3, "Front Bezel"). 6.4.1 5.25" Drive Bezel Blank Press one of the retaining tabs on the inside of the large bezel towards the install a bezel blank, reverse the removal procedure. 6-4 336493-004 Service Reference Guide, d200 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 45
bezel. At the same time, pull the bezel inwards to remove it from the main bezel. To install a diskette drive bezel, reverse the removal procedure. Service Reference Guide, d200 336493-004 6-5 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 46
, allow the internal system components to cool before touching. 3. Lay the computer down on its side to make it easier to work on. 6-6 336493-004 Service Reference Guide, d200 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 47
are in the closed position 3. 6. Repeat steps 4 and 5 for any additional modules that you want to install. To reassemble the computer, reverse the removal procedure. Service Reference Guide, d200 336493-004 6-7 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 48
in the chassis. 12. Replace the access panel. 13. Connect external cables to the installed card, if needed. Reconfigure the computer, if necessary. 6-8 336493-004 Service Reference Guide, d200 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 49
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 Torx T-15 screwdriver is needed to remove and install the guide load the HP factory-installed Service Reference Guide, d200 336493-004 6-9 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 50
out of the drive cage 2. To install a drive, reverse the removal procedure. ✎ If you are installing a 5.25" drive for the first time into bay 2 you must first remove the drive from bay 1 and then knock or bay opening after the shield has been removed. 6-10 336493-004 Service Reference Guide, d200 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 51
of the front of the chassis 2. ✎ Some models may not have an air shroud surrounding the processor. To replace the diskette drive, reverse removal procedure. Service Reference Guide, d200 336493-004 6-11 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 52
side of the chassis 2. ✎ The d220, d228, and d230 chassis has four mounting screws on the front of the chassis and one screw on the right side to support the lower drive cage. This chassis is shown below the longer screws on the front of the chassis. 6-12 336493-004 Service Reference Guide, d200 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 53
, that secure the drive in the drive cage 1. 8. Slide the drive out of the drive cage 2. To replace the drive cage, reverse the removal procedure. Service Reference Guide, d200 336493-004 6-13 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 54
screw that secures the front USB device to the chassis 1, then slide the USB housing up to release it from the chassis 2. 6-14 336493-004 Service Reference Guide, d200 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 55
USB printed circuit board from the inside of the USB housing and then remove the board. ✎ The USB board shown is used on the d220, d228, and d230 models; the d240 and d248 models have only one capacitor on the board. To install the USB board and the USB housing to - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 56
1 while rotating the bottom of the power switch out of the chassis 2. To install the power switch assembly, reverse the removal procedure. 6-16 336493-004 Service Reference Guide, d200 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 57
pin retainer pressed into it, insert the push pin to secure the pin retainer. To ensure proper alignment, install the push pins in an X pattern. Service Reference Guide, d200 336493-004 6-17 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 58
Microtower Type 2 Chassis 6.11 Air Baffle ✎ The air baffle is only used on the d220, d228, and d230 model computers. 1. Prepare the computer for disassembly (Section 6.1, "Preparation for Disassembly"). 2. the baffle 2 to remove it from the chassis. 6-18 336493-004 Service Reference Guide, d200 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 59
the air baffle, reverse the removal procedures. ✎ When replacing the fixed portion of the air baffle, make sure that the two prongs are facing up. Service Reference Guide, d200 336493-004 6-19 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 60
. 5. Hold the fan in place while pushing the four plastic push pins from the inside of the chassis to release them then, pull the pins from the outside of the chassis to remove the speaker. To install the chassis fan, reverse the removal procedures. 6-20 336493-004 Service Reference Guide, d200 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 61
Remove the J-shaped air baffle if applicable (Section 6.11, "Air Baffle"). 5. Disconnect the fan control cable from the system board. 6. Use a long, slender screwdriver to unscrew the four a X pattern to ensure the heatsink is properly seated. Service Reference Guide, d200 336493-004 6-21 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 62
install the system board, reverse the removal procedure. ✎ The system board shown may be different from the one installed in your computer. 6-22 336493-004 Service Reference Guide, d200 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 63
the battery only with the HP spare designated for this product. Ä 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 up - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 64
and turn on power to the computer. 6. Reset the date and time, your passwords, and any special system setups, using Computer Setup. 6-24 336493-004 Service Reference Guide, d200 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 65
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. Service Reference Guide, d200 336493-004 6-25 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 66
power supply with the chassis turned upside down. This will give you better control when installing the first power supply retaining screw. 6-26 336493-004 Service Reference Guide, d200 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 67
Some of these connectors may not be used on the product being serviced. Enhanced Keyboard Connector and Icon Pin Signal 1 Data 2 Unused 3 (-) Transmit Data 3 (+) Receive Data 4 Unused 5 Unused 6 (-) Receive Data 7 Unused 8 Unused Service Reference Guide, d200 336493-004 A-1 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 68
Pin 1 2 3 4 5 6 7 8 9 Pin 13 14 15 16 17 18-25 Signal Select Auto Linefeed Error Initialize Printer Select IN Signal Ground Signal Carrier Detect (12V if powered Icon (1/8" miniphone) Pin 1 (Tip) 2 (Ring) 3 (Shield) Signal Audio Power Ground A-2 336493-004 Service Reference Guide, d200 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 69
(fused) 10 Ground Pin Signal 11 Not used 12 DDC Serial Data 13 Horizontal Sync 14 Vertical Sync 15 DDC Serial Clock 4-Pin Power (for CPU) Connector and Icon Pin Signal 1 GND 2 GND 3 +12 V 4 -12 V Service Reference Guide, d200 336493-004 A-3 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 70
17 DD0 18 DD15 19 Ground 20 (Key) 21 DMARQ 22 Ground 23 DIOW 24 Ground 25 DIOR 26 Ground 27 IORDY 28 CSEL Pin Signal 29 DMAK 30 Ground 31 INTRQ 32 IOCS16 # Vddq IRDY# 3.3VAux Ground Reserved VCC 3.3 DEVSEL# Vddq PERR# A-4 336493-004 Service Reference Guide, d200 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 71
3.3 17 SBA3 18 SB_STB# 19 Ground 20 SBA5 21 SBA7 22 Reserved 23 Ground 24 Reserved 25 VCC 3.3 26 AD30 27 AD28 28 VCC 3.3 29 AD26 30 AD24 31 Ground 32 AD_STB1# 33 15 GND Pin Signal 16 GND 17 GND 18 open* 19 +5 V 20 +5 V Service Reference Guide, d200 336493-004 A-5 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 72
Connector Pin Assignments A-6 336493-004 Service Reference Guide, d200 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 73
computer. For more information on power cord set requirements, contact your authorized HP dealer, reseller, or service provider. General Requirements The requirements listed below are applicable to all countries with appliance inlet on the Switch Box. Service Reference Guide, d200 336493-004 B-1 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 74
VCT or VCTF, 3-conductor, 1.0 mm2 conductor size. Wall plug must be a two-pole grounding type with a Japanese Industrial Standard C8303 (7A, 125V) configuration. B-2 336493-004 Service Reference Guide, d200 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 75
Perform one step at a time and continue only if the action does not cure the problem. POST Error Messages Screen Message Gate 20 Error Probable Cause BIOS cannot access memory over 1MB the device. Replace the system board. Replace the diskette. Service Reference Guide, d200 336493-004 C-1 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 76
system board jumper on JP2 to pins 2-3 (Unlock), then flash the system BIOS. Reset the jumper to pins 1-2 (Lock). Replace the system board. C-2 336493-004 Service Reference Guide, d200 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 77
find or load the CPU microcode update to the CPU. NVRAM Checksum Error settings. Recommended Action Ensure the system board BIOS supports the processor. Change system board jumper on JP2 F10 Setup depending on the operating system. If problem persists, replace the RTC battery. Replace the RTC - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 78
computer turned off. Check connector for bent or missing pins. Ensure that none of the keys are depressed. Replace keyboard. Replace system board. C-4 336493-004 Service Reference Guide, d200 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 79
drivers been installed for each application? ■ Remove all diskettes from the diskette drives before you turn on the system. ■ Are all switches set correctly? ■ Is the NIC Remote Wakeup cable (featured on some models) connected between the NIC and the riser/system board? Service Reference Guide - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 80
Troubleshooting Without Diagnostics Solving Minor Problems Solving Minor Problems Problem battery. Computer appears to pause periodically. Network driver is loaded and no network connection is blocked. 2. Ensure the fans are connected and working properly (some fans only operate when needed). - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 81
Troubleshooting Without Diagnostics Solving Minor Problems (Continued) Problem Cause Computer powered off automatically and the Power LED flashes Red two times, once every second, followed by a two second pause. Processor thermal protection activated: A fan may be blocked or not turning. OR The - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 82
fan is not spinning, make sure the fan's cable is plugged onto the system board header. Ensure the fan is fully/properly seated or installed. 3. Replace the processor fan. 4. Reseat processor heatsink and verify that the fan assembly is properly attached. D-4 336493-004 Service Reference Guide - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 83
Troubleshooting Without Diagnostics Solving Diskette Problems Solving Diskette Problems Problem removable hard drive that has DriveLock security enabled. (This feature supported on select models only.) Diskette is not formatted. Diskette is /F:1440 Service Reference Guide, d200 336493-004 D-5 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 84
Troubleshooting Without Diagnostics Solving Diskette Problems (Continued) Problem Cause A problem has occurred with a disk transaction. The directory structure is bad, or there is a problem with Diskette MBR Validation in Storage > Storage Options. D-6 336493-004 Service Reference Guide, d200 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 85
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. 3. If this is a newly installed drive, enter Setup and try . Remove the diskette from the diskette drive. Service Reference Guide, d200 336493-004 D-7 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 86
Troubleshooting Without Diagnostics Solving Hard Drive Problems (Continued) Problem Cause Nonsystem disk/NTLDR missing message. (continued) System is trying to start from a to turn off the power. 3. Restart the computer using the power button. D-8 336493-004 Service Reference Guide, d200 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 87
Solving Display Problems Troubleshooting Without Diagnostics Solving Display Problems Problem Cause Solution Blank screen (no video). The cable connections are not and select the Settings tab. 4. Use the sliding control to reset the resolution. Service Reference Guide, d200 336493-004 D-9 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 88
Troubleshooting Without Diagnostics Solving Display Problems (Continued) Problem graphics controller was upgraded, the correct video drivers may not be loaded. Monitor is not by moving them apart. 3. Fluorescent lights or fans may be too close to the monitor. Degauss Service Reference Guide, d200 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 89
Troubleshooting Without Diagnostics Solving Display Problems (Continued) Problem The font you are using does not support that particular symbol. Solution Lower brightness 's on-screen display menu. 2. Manually synchronize the Clock and Clock Phase on Service Reference Guide, d200 336493-004 D-11 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 90
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 , the computer will shut down and you will lose your data. D-12 336493-004 Service Reference Guide, d200 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 91
Troubleshooting Without Diagnostics Solving Audio Problems (Continued) Problem engage the auto-sense feature or use the multimedia device properties to manually switch the audio signal from analog to digital. 2. If the headphones compressed format. Service Reference Guide, d200 336493-004 D-13 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 92
Troubleshooting Without Diagnostics Solving Printer Problems Solving Printer Problems Problem Cause Printer will not print. Printer is not turned on and online. The correct printer driver printer driver is Install the correct printer driver for the application. driver. Make the driver - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 93
Troubleshooting Without Diagnostics Solving Keyboard and Mouse Problems Solving Keyboard Problems Problem Cause Solution Keyboard commands and typing are not recognized by the computer. ball cover from the bottom of the mouse and clean it. Service Reference Guide, d200 336493-004 D-15 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 94
Troubleshooting Without Diagnostics Solving Hardware Installation Problems You the Add Hardware Wizard) and follow the instructions that appear on the screen. Solving Hardware Installation Problems Problem Cause A new device is not recognized . D-16 336493-004 Service Reference Guide, d200 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 95
Troubleshooting Without Diagnostics Solving Hardware Installation Problems (Continued) Problem Cause Solution Power LED flashes Red five times to isolate the faulty module. 3. Replace third-party memory with HP memory. 4. Replace the system board. Service Reference Guide, d200 336493-004 D-17 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 96
Troubleshooting Without Diagnostics Solving Network Problems These guidelines do not discuss the process of debugging the network cabling. Solving Network Problems Problem Cause Wake-on-LAN feature is not functioning. Wake-on-LAN is not enabled. Network driver Network driver is drivers. - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 97
Troubleshooting Without Diagnostics Solving Network Problems (Continued) Problem Cause Diagnostics passes, but the computer does not communicate and that the Remote System Installation Server contains the NIC drivers for your NIC. Flash the ROM. Service Reference Guide, d200 336493-004 D-19 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 98
Troubleshooting Without Diagnostics Solving Memory Problems Ä CAUTION: For those systems that support ECC memory, HP does not support mixing ECC and non-ECC memory. Otherwise, the system will not boot the operating system. Solving Memory Problems Problem Cause System will not boot or does not - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 99
is hot. Troubleshooting Without Diagnostics Solution 1. Make sure the airflow to the computer is not blocked. 2. Make sure the fans are connected and working properly (some fans only operate when needed). 3. Make sure the processor heatsink is installed properly. Service Reference Guide, d200 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 100
Troubleshooting Without Diagnostics Solving CD-ROM and DVD Problems Solving CD-ROM and DVD Problems Problem Reconnect power and data cables to the drive. 2. Install correct device driver. See the documentation that came with the DVD drive. Install decoder software 004 Service Reference Guide, d200 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 101
Troubleshooting Without Diagnostics Solving CD-ROM and DVD Problems (Continued) Problem Cause Solving Internet Access Problems Solving Internet Access Problems Problem Cause Unable to connect to the Internet. Internet Service Provider (ISP) Service Reference Guide, d200 336493-004 D-23 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 102
Troubleshooting Without Diagnostics Solving Internet Access Problems (Continued) Problem Cause Solution Unable to connect to the Internet. (continued) Cable/DSL service is not available or has been interrupted ISP and launch the desired program. D-24 336493-004 Service Reference Guide, d200 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 103
, then click Properties. 7. Under Device status, verify that the modem is working properly. 8. Under Device usage, verify the modem is enabled. 9. If there are further problems, click the Troubleshoot button and follow the on-screen instructions. Service Reference Guide, d200 336493-004 D-25 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 104
Troubleshooting Without Diagnostics D-26 336493-004 Service Reference Guide, d200 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 105
at least one preinstalled memory module per computer. To achieve the maximum memory support, you may be required to replace the preinstalled DIMM with a higher capacity and x4 SDRAM are not supported. ✎ The system will not start using unsupported DIMMs. Service Reference Guide, d300 336493-004 E-1 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 106
Memory Maximum operating speed is determined by a combination of the CPU and the type of memory used. Refer to the table below for the optimum combination. Front-Side or a higher-performing dual channel mode, depending on how the DIMMs are installed. E-2 336493-004 Service Reference Guide, d300 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 107
removal and replacement 6-25 blank screen D-9 fan microtower type 2 removal and replacement 6-20 chassis types, illustrated 5-1 chassis variations 5-2 cleaning computer 5-5 keyboard 5-5 monitor 5-5 mouse 5-6 CMOS Setup Advanced 2-4 CMOS setup Standard 2-4 Compaq drivers Service Reference Guide, - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 108
country specific B-2 general B-1 power management setup 2-5 power supply fan 5-6 microtower type 2 removal and replacement 6-26 power switch assembly microtower type 2 removal and replacement 6-16 power-on password 2-1 Power-On Self-Test (POST) 2-1 Service Reference Guide, d200 336493-004 Index-2 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 109
problems type 2 battery 6-23 microtower type 2 chassis fan 6-20 microtower type 2 drive 6-10 microtower type battery holder 6-24 type 2 battery holder 6-25 required tools and software 5-6 restoring software 2-8 wrench, tamper-resistant 5-6 Service Reference Guide, d200 336493-004 Index-3 - Compaq d240 | HP Compaq Business Desktop d200 Series Personal Computers Service - Page 110
Index Service Reference Guide, d200 336493-004 Index-4
service reference guide
Business Desktop d200 Series
4th Edition
This document provides information on the removal and replacement of all
parts as well as information on troubleshooting, Desktop Management, setup
utilities, Parallel ATA drives, safety, routine care, connector pin assignments,
POST error messages, and diagnostic indicator lights.
Document Part Number 336493-004