HP d248 HP Compaq Business Desktop d200 Series Personal Computers Service Refe
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- HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - 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 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 2
- HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 3
Service Reference Guide Business Desktop d200 Series 4th Edition Document Part Number: 336493-004 March 2004 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 4
Windows NT are trademarks of Microsoft Corporation in the U.S. and other countries. Intel and Celeron are trademarks of Intel Corporation in the U.S. and other countries. The only warranties for HP products and services or loss of information. Service Reference Guide Business Desktop d200 Series - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 5
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 4.2 Ultra ATA Cables 4-1 4.2.1 Cable Layout 4-1 4.3 Drive Installation Guidelines 4-2 4.3.1 Device Classes 4-3 4.3.2 Attach Sequence Rules by - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 6
5.25" Drive Bezel Blank 6-4 6.4.2 Diskette Drive Bezel 6-5 6.5 Memory Modules 6-6 6.6 Expansion Card 6-8 6.7 Drives 6-9 6.7.1 Drive Positions 6-9 6.7.2 Removing a 5.25" Drive 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 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - 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 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 8
Contents vi 336493-004 Service Reference Guide, d200 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 9
to do so. 1.1.1 Installing or Upgrading Device Drivers To install optional hardware devices after the OS installation is completed, you must install the device drivers for the device you are installing. The I386 directory and its subdirectories provide the HP- or Compaq-specific integration of the - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 10
. All other software is user-installed. Certain drivers and utilities are available only in selected languages. You can obtain the latest version of these files, in English and selected other languages, in one of these ways: ■ HP Web site at http://www.hp.com/support ■ HP Restore Plus! CD, which is - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 11
when contacting Customer Support. These tools can if all of the devices installed on the computer are may not be available on all HP products. 2.1 Power-On Self-Test is functioning properly: ■ Keyboard ■ Memory modules ■ Diskette drives ■ All IDE Service Reference Guide, d200 336493-004 2-1 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 12
date and time. ■ Set, view, change, or verify the system configuration including settings for processor, graphics, memory (ATA) hard drive (when supported by the drive). 2.2.1 Using restart the computer. If you are in Windows, click Start >Shut Down >Restart the Service Reference Guide, d200 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - 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 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 14
Heading Option Description System Information None Lists product name, chassis serial number (d220, d228, and d230 only), Chipset type, BIOS version, BIOS release date, and MAC Address (d240 and d248 only). CPU/Memory information (d220 d228, and d230 models only) CPU speed, CPU ID, L1 and L2 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 15
Select (d220, d228, and d230 models only) Selects the size of memory for PSOS: power on suspend • S3/STR: Suspend to RAM (default) Restore on AC/Power Loss Sets the system Support for Computer Setup options may vary depending on your specific hardware configuration. Service Reference Guide - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 16
and Diagnostics Features Heading Option Description Power Management Setup (Continued) Resume on LAN (d220, d228, and d230 models only) Sets the Resume On LAN from soft off. • Disable: LAN Resume disable • Enable: LAN Resume enable (default) Resume on PME Sets the Resume On PME from - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - 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 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 18
without saving any changes. ✎ Support for Computer Setup options may vary Windows operating system and software can be restored to its original state by using the Restore Plus! CD. See the Restore Plus! CD for complete instructions on using this feature. 2-8 336493-004 Service Reference Guide - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - 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 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 20
upgrade your ROM, you may: ■ Order an upgraded ROMPaq™ diskette from HP. ■ Download the latest ROMPaq images from http://www.hp.com/support Button With Advanced Configuration and Power Interface (ACPI) enabled for Windows XP, the power button can function either as an on Service Reference Guide, d200 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 21
installing 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 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 22
the password is entered. 1. Turn on or restart the computer. If you are in Windows, click Start > Shut Down > Restart the Computer. 2. Press the F10 key as follow the instructions on the screen. 4. Before exiting, click File > Save Changes and Exit. 3-4 336493-004 Service Reference Guide, d200 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 23
enter it each time you run Computer Setup. 1. Turn on or restart the computer. If you are in Windows, click Start > Shut Down > Restart the Computer. 2. Press the F10 key as soon as the monitor be changed using the Security options in Computer Setup. Service Reference Guide, d200 336493-004 3-5 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 24
Deleting a Power-On or Setup Password 1. Turn on or restart the computer. If you are in Windows, click Start > Shut Down > Restart the Computer. To delete the setup password, run Computer 2000 volts without incurring any system downtime or data loss. 3-6 336493-004 Service Reference Guide, d200 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 25
hard drive, refer to the documentation included with the drive kit to ensure proper cable installation and configuration. ✎ All drives on a controller channel need to have their jumpers either if the drive's jumper is in the cable-select position. Service Reference Guide, d200 336493-004 4-1 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 26
"Drive 0" instead of "Device 0" and "Drive 1" instead of "Device 1". 4.3 Drive Installation Guidelines Most computer system boards have two ATA (IDE) controller channels with a dedicated connector for the drives and by specific attach sequence rules. 4-2 336493-004 Service Reference Guide, d200 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 27
the device class number, the faster the device and the more bandwidth required. ■ Drives installed in the Device 0 positions on both the primary and secondary controllers receive the greatest first before following the General Attach Sequence Rule. Service Reference Guide, d200 336493-004 4-3 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 28
optimum system performance when setting up a computer with multiple drives. Use the General Attach Sequence Rule to determine the best drive installation sequence. Device Name Attach Sequence Worksheet Device Class Position Number Controller Name Device Number Two examples of how to use the - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 29
= Class 2 ■ CD-ROM drive = Class 3 Attach Sequence Worksheet - Three Device Installation (Sample) Device Name Device Class Position Number Controller Name Device Number Ultra ATA-100 hard 1 ■ DVD-CDR/W drive = Class 2 ■ ZIP-250 drive = Class 4 Service Reference Guide, d200 336493-004 4-5 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 30
and Features Attach Sequence Worksheet - Four Device Installation (Sample) Device Name Device Class Position Number Controller Analysis and Recording Technology (SMART) ATA drives for the HP Personal Computers have built-in drive failure prediction that warns 004 Service Reference Guide, d200 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 31
/Partition Capacity Limits File System FAT 32 FAT 32 NTFS NTFS Controller Type ATA SCSI ATA SCSI Operating System Windows 2000/ XP Windows 2000/ XP 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 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 32
Ultra ATA Drive Guidelines and Features 4-8 336493-004 Service Reference Guide, d200 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - 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 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 34
d220, d228, d230 d240, d248 Power supply mounting method Removable power supply support bracket No support bracket required Power supply installation Chassis fan Memory Single channel Dual channel Number of memory sockets can degrade a product. 5-2 336493-004 Service Reference Guide, d200 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - 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 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - 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 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 37
key (like the space bar) from the keyboard. If these keys are improperly removed or installed, the keyboard may not function properly. ■ Cleaning under a key may be done with a follow the procedures in Section 5.3.2, "Cleaning the Computer Case." Service Reference Guide, d200 336493-004 5-5 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 38
Cleaning the Computer Case." 5.4 Service Considerations Listed below are some 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 it can damage the unit. HP strongly recommends that all screws removed - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - 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 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 40
or snagged by parts being removed or replaced. Ä CAUTION: When servicing this computer, ensure that cables are placed in their proper location and replacement chapter for the chassis you are working on in this guide for instructions on the replacement procedures. Å WARNING: This computer contains a - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 41
is in the "Standby," or "Suspend" modes. The power cord should always be disconnected before servicing a unit. 5. Disconnect the power cord from the electrical outlet and then from the computer. the wrong screw in an application may damage the unit. Service Reference Guide, d200 336493-004 6-1 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 42
access panels use captive thumbscrews. ✎ Remove the right access panel to upgrade memory or an expansion card. Remove the left access panel to upgrade a drive. 3. Slide the access panel back about 1 inch (2.5 cm that may be removed by unscrewing them. 6-2 336493-004 Service Reference Guide, d200 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 43
front panel below the lowest air vent and pull the panel out and up to release it from the chassis. To install the front bezel, insert the top two latches into their respective holes in the chassis may not have an air shroud surrounding the processor. Service Reference Guide, d200 336493-004 6-3 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 44
retaining tabs on the inside of the large bezel towards the outer edge of the bezel to release the bezel blank. At the same time, pull the bezel blank inwards to remove it from the main bezel. To install a bezel blank, reverse the removal procedure. 6-4 336493-004 Service Reference Guide, d200 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 45
retaining tab towards the center of the main 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 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 46
Memory Modules For more information on memory used in these computers refer to Appendix E. Ä CAUTION: The memory module sockets have gold metal contacts. When upgrading the memory, it is important to use memory on its side to make it easier to work on. 6-6 336493-004 Service Reference Guide, d200 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 47
memory module socket 1, and insert the memory module into the socket 2. Begin by installing a module into the socket nearest the preinstalled module, and install that you want to install. To reassemble the computer, reverse the removal procedure. Service Reference Guide, d200 336493-004 6-7 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 48
to make it easier to work on. If installing an expansion card in an empty slot, Install a new expansion card or an expansion slot cover to close the open slot. If not installing into place. ✎ When you install an expansion card, make sure you press expansion card socket. 11. Install the screw at the top - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - 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 HP factory-installed files Service Reference Guide, d200 336493-004 6-9 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 50
the drive cage 1. 6. Slide the drive 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 after the shield has been removed. 6-10 336493-004 Service Reference Guide, d200 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - 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 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 52
on the right side to support the lower drive cage. This can be seen in the drawing on the following page. 7. Slide the lower drive cage back about 1/2 inch to release it from the upper cage 3. ✎ The removal procedure shown is for the d220, d228, and d230 models. To install the lower drive cage - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 53
Removing a Diskette Drive"). 5. Disconnect the power, and data cables from the back of all installed 3.5" drives. 6. Remove the lower drive cage (Section 6.7.4, "Removing the Lower Drive Cage To replace the drive cage, reverse the removal procedure. Service Reference Guide, d200 336493-004 6-13 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 54
cable from the system board. 5. Remove the single 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 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 55
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 the chassis, reverse the removal procedures. Service Reference Guide, d200 336493-004 6-15 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 56
Drive"). 5. Disconnect the power, and data cables from the back of all installed 3.5" drives. 6. Remove the lower drive cage (Section 6.7.4, "Removing the Lower of the chassis 2. To install the power switch assembly, reverse the removal procedure. 6-16 336493-004 Service Reference Guide, d200 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 57
the chassis pull out the stems of the four push pins to release the speakers then, remove the speaker 2. When installing the speakers, hold the plastic pin retainers firmly in place as To ensure proper alignment, install the push pins in an X pattern. Service Reference Guide, d200 336493-004 6-17 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - 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"). the baffle 2 to remove it from the chassis. 6-18 336493-004 Service Reference Guide, d200 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 59
by removing the four retaining screws from the back of the chassis 1 and then pulling the part towards the front of the computer 2 to release it. To install the air baffle, reverse the removal procedures. ✎ When replacing the fixed portion of the air baffle, make sure that the two prongs are facing - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - 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 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 61
processor by the edges and pull it straight up from the socket 4. To install the processor and heatsink, reverse the removal procedures making sure that you hold place while locking the ZIF socket handle. Ä CAUTION: When installing the heatsink, insert all four screw loosely and then tighten them - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 62
system board to the chassis 1. 11. Slide the system board towards the front of the chassis 2 to remove it. To 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 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - 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 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 64
Microtower Type 2 Chassis 6.15.1 Type 1 Battery Holder 1. To release the battery from its holder 1, squeeze the metal clamp that 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 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 65
Microtower Type 2 Chassis 6.15.2 Type 2 Battery Holder 1. To release the battery from the holder, push the retaining clip that holds 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 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 66
, reverse the removal procedure. ✎ On chassis with a power supply retaining clip it is easier to install the 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 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - 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 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - 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 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 69
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 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - 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 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - 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 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 72
Connector Pin Assignments A-6 336493-004 Service Reference Guide, d200 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 73
cord set requirements, contact your authorized HP dealer, reseller, or service provider. General Requirements The requirements listed used. 3. The power cord set must have a minimum current capacity of 10A and a nominal voltage rating of 125 or 250 volts Service Reference Guide, d200 336493-004 B-1 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - 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 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 75
does not cure the problem. POST Error Messages Screen Message Gate 20 Error Probable Cause BIOS cannot access memory over 1MB. Parity Error Boot Failure... Fatal memory parity error. System halts . Replace the system board. Replace the diskette. Service Reference Guide, d200 336493-004 C-1 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - 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 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 77
supports date and time under Control Panel or in F10 Setup depending on the operating system. If problem persists, replace the RTC battery. Replace the RTC battery. Restart the computer, use the F10 Key to access Computer Setup. Select Load Default Settings > Save and Exit. Service Reference Guide - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - 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 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - 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 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 80
Troubleshooting Without Diagnostics Solving Minor Problems Solving Minor Problems Problem driver is loaded and no network connection is established. Establish a network connection, or use Computer Setup or Microsoft Windows Ensure the processor heatsink is installed properly. Hard drive is full. - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 81
Troubleshooting Without Diagnostics Solving Minor Problems (Continued) Problem Cause the system board header. Ensure the fan is fully/properly seated or installed. 3. Replace the processor fan. 4. Reseat processor heatsink and verify system board. Service Reference Guide, d200 336493-004 D-3 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 82
Troubleshooting Without Diagnostics Solving Power Supply Problems Solving Power Supply Problems Problem Cause Power supply shuts 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 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 83
Troubleshooting Without Diagnostics Solving Diskette Problems Solving Diskette Problems Problem (This feature supported on select In Microsoft Windows XP, capacity. For example, to format a 1.44-MB diskette, type the following command at the MS-DOS prompt: FORMAT A: /F:1440 Service Reference Guide - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - 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 MBR validation is enabled. Solution In Windows XP, right-click Start, click Service Reference Guide, d200 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 85
bad sectors. If necessary, reformat the hard disk. In Windows XP, right-click Start, click Explore, and select a 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 Service Reference Guide, d200 336493-004 D-7 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - 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 damaged hard drive. System files missing or not properly installed Install Attempt the normal Windows "Shut Down" - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 87
Display Problems Troubleshooting Without Diagnostics Solving Display Problems Problem Cause Solution Blank screen (no video). The cable connections are not correct. Check the cable connections from the monitor to the computer and to the electrical outlet. Screen blanking utility installed - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 88
Troubleshooting Without Diagnostics Solving Display Problems (Continued) Problem Cause Power LED flashes connected to the graphics card and the monitor. Install the video drivers included in the upgrade kit. Change requested resolution. 1. Be sure the 10 336493-004 Service Reference Guide, d200 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - 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 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - 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 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - 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 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - 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 for the application are not installed. Printer will not turn on. Printer prints garbled information. - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - 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 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 94
Panel (for Windows XP, use the Add Hardware Wizard) and follow the instructions that appear on the screen. Solving Hardware Installation Problems Problem Cause A new will not start. Wrong memory modules were used in the upgrade or memory modules were installed in the wrong location. Solution - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 95
same rate and at the same time as the LED flashes. Memory is installed incorrectly or is bad. 1. Reseat DIMMs. 2. Replace DIMMs one at a time 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 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - 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 does not detect network - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 97
Troubleshooting Without Diagnostics Solving Network Problems (Continued) Problem Cause Diagnostics passes, but the computer does Server is present, 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 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - 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 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - 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 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 100
Troubleshooting Without Diagnostics Solving CD-ROM and DVD Problems Solving CD-ROM and DVD Problems Problem . 2. Install correct device driver. See the documentation that came with the DVD drive. Install decoder software Windows detect the device. D-22 336493-004 Service Reference Guide, d200 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 101
Troubleshooting Without Diagnostics Solving CD-ROM and DVD Problems (Continued) Problem Windows XP. Install the Drive Key after the operating system boots. Solving Internet Access Problems Solving Internet Access Problems Problem Cause Unable to connect to the Internet. Internet Service - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 102
Troubleshooting Without Diagnostics Solving Internet Access Problems (Continued) Problem Cause Solution Unable to connect to the Internet. (continued) Cable/DSL service the correct IP address. Cookies are corrupted. Windows XP 1. Select Start > Control Panel. 2. Service Reference Guide, d200 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - 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 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 104
Troubleshooting Without Diagnostics D-26 336493-004 Service Reference Guide, d200 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 105
) information. ■ 128Mbit, 256 Mbit, and 512Mbit non-ECC memory technologies ■ Single and double-sided DIMMs may be used DIMMs constructed with x8 and x16 DDR devices and x4 SDRAM are not supported. ✎ The system will not start using unsupported DIMMs. Service Reference Guide, d300 336493-004 E-1 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 106
four memory sockets in dual channel mode, you must use four identical DIMMs for dual channel performance. The system will automatically operate in single channel mode or a higher-performing dual channel mode, depending on how the DIMMs are installed. E-2 336493-004 Service Reference Guide, d300 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 107
assignments A-1 to ?? country-specific power cord set requirements B-2 D date and time display D-2 device drivers installing/upgrading 1-1 obtaining 1-2 disassembly preparation microtower type 2 6-1 drive cable select 4-1 capacities 4-7 device designation 4-1 microtower type 2 3.5" drive removal and - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 108
Index Drive Key, problems D-23 drive positions microtower type 2 6-9 E electrostatic and replacement 6-14 heatsink removal and replacement 6-21 memory removal and replacement 6-6 power supply removal and replacement Power-On Self-Test (POST) 2-1 Service Reference Guide, d200 336493-004 Index-2 - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 109
problems audio D-12 CD-ROM and DVD D-22 diskette D-5 display D-9 Drive Key D-23 hard drive D-7 installing hardware D-16 Internet access D-23 keyboard D-15 memory A-2 W Wake-on-LAN feature D-18 warnings battery 5-8 wrench, tamper-resistant 5-6 Service Reference Guide, d200 336493-004 Index - HP d248 | HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 110
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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