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Maintenance & Service Guide: HP Compaq 6005 Pro Business PC - 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.
POST Message Disabled suppresses most system messages during POST, such as memory count and non-error text messages. If a POST error occurs, the screen will display the error message. To manually switch to the POST Messages Enabled mode during POST, press any key (except F10 or F12). The default mode is POST Message Disabled.
The speed at which the computer loads the operating system and the extent to which it is tested are determined by the POST mode selection.
Quick Boot is a fast startup process that does not run all of the system level tests, such as the memory test. Full Boot runs all of the ROM-based system tests and takes longer to complete.
Full Boot may also be enabled to run every 1 to 30 days on a regularly scheduled basis. To establish the schedule, reconfigure the computer to the Full Boot Every x Days mode, using Computer Setup.
note:
For more information on Computer Setup, see the Computer Setup (F10) Utility Guide.

POST Numeric Codes and Text Messages

This section covers those POST errors that have numeric codes associated with them. The section also includes some text messages that may be encountered during POST.
note:
The computer will beep once after a POST text message is displayed on the screen.
Numeric Codes and Text Messages
Control panel message
Description
Recommended action
101-Option ROM Checksum Error
System ROM or expansion board option ROM checksum.
  1. Verify the correct ROM.
  2. Flash the ROM if needed.
  3. If an expansion board was recently added, remove it to see if the problem remains.
  4. Clear CMOS. (See Appendix B, Password Security and Resetting CMOS.)
  5. If the message disappears, there may be a problem with the expansion card.
  6. Replace the system board.
103-System Board Failure
DMA or timers.
  1. Clear CMOS. (See Appendix B, Password Security and Resetting CMOS.)
  2. Remove expansion boards.
  3. Replace the system board.
110-Out of Memory Space for Option ROMs
Recently added PCI expansion card contains an option ROM too large to download during POST.
  1. If a PCI expansion card was recently added, remove it to see if the problem remains.
  2. In Computer Setup, set Advanced > Device Options > NIC PXE Option ROM Download to DISABLE to prevent PXE option ROM for the internal NIC from being downloaded during POST to free more memory for an expansion card's option ROM. Internal PXE option ROM is used for booting from the NIC to a PXE server.
162-System Options Not Set
Configuration incorrect.
RTC (real-time clock) battery may need to be replaced.
Run Computer Setup and check the configuration in Advanced > Onboard Devices.
Reset the date and time under Control Panel. If the problem persists, replace the RTC battery. See the Hardware Reference Guide for instructions on installing a new battery, or contact an authorized dealer or reseller for RTC battery replacement.
163-Time & Date Not Set
Invalid time or date in configuration memory.
RTC (real-time clock) battery may need to be replaced.
Reset the date and time under Control Panel (Computer Setup can also be used). If the problem persists, replace the RTC battery. See the Hardware Reference Guide for instructions on installing a new battery, or contact an authorized dealer or reseller for RTC battery replacement.
163-Time & Date Not Set
CMOS jumper may not be properly installed.
Check for proper placement of the CMOS jumper if applicable.
164-Memory Size Error
Memory amount has changed since the last boot (memory added or removed).
Press the F1 key to save the memory changes.
164-Memory Size Error
Memory configuration incorrect.
  1. Run Computer Setup or Windows utilities.
  2. Make sure the memory module(s) are installed properly.
  3. If third-party memory has been added, test using HP-only memory.
  4. Verify proper memory module type.
201-Memory Error
RAM failure.
  1. Ensure memory modules are correctly installed.
  2. Verify proper memory module type.
  3. Remove and replace the identified faulty memory module(s).
  4. If the error persists after replacing memory modules, replace the system board.
213-Incompatible Memory Module in Memory Socket(s) X, X, ...
A memory module in memory socket identified in the error message is missing critical SPD information, or is incompatible with the chipset.
  1. Verify proper memory module type.
  2. Try another memory socket.
  3. Replace DIMM with a module conforming to the SPD standard.
214-DIMM Configuration Warning
Populated DIMM Configuration is not optimized.
Rearrange the DIMMs so that each channel has the same amount of memory.
215-DIMM Configuration Error
Populated DIMM configuration is not optimized.
Remove power from the system and reinstall memory modules. On AMD systems, populate modules starting with slot XMM4, then XMM3, followed by slots XMM2 and XMM1. On Intel systems, populate modules starting with slot DIMM1, then DIMM3, followed by slots DIMM2 and DIMM4.
219-ECC Memory Module Detected ECC Modules not supported on this Platform
Recently added memory module(s) support ECC memory error correction.
  1. If additional memory was recently added, remove it to see if the problem remains.
  2. Check product documentation for memory support information.
301-Keyboard Error
Keyboard failure.
  1. Reconnect keyboard with computer turned off.
  2. Check connector for bent or missing pins.
  3. Ensure that none of the keys are depressed.
  4. Replace keyboard.
303-Keyboard Controller Error
I/O board keyboard controller.
  1. Reconnect keyboard with computer turned off.
  2. Replace the system board.
304-Keyboard or System Unit Error
Keyboard failure.
  1. Reconnect the keyboard with computer turned off.
  2. Ensure that none of the keys are depressed.
  3. Replace the keyboard.
  4. Replace the system board.
501-Display Adapter Failure
Graphics display controller.
  1. Reseat the graphics card (if applicable).
  2. Clear CMOS. (See Appendix B, Password Security and Resetting CMOS.)
  3. Verify monitor is attached and turned on.
  4. Replace the graphics card (if possible).
510-Flash Screen Image Corrupted
Flash Screen image has errors.
Reflash the system ROM with the latest BIOS image.
511-CPU Fan not detected
CPU fan is not connected or may have malfunctioned.
  1. Reseat CPU fan.
  2. Reseat fan cable.
  3. Replace CPU fan.
512-Rear Chassis Fan not detected
Rear chassis fan is not connected or may have malfunctioned.
  1. Reseat rear chassis fan.
  2. Reseat fan cable.
  3. Replace rear chassis fan.
513-Front Chassis Fan not detected
Front chassis fan is not connected or may have malfunctioned.
  1. Reseat front chassis fan.
  2. Reseat fan cable.
  3. Replace front chassis fan.
515-Power Supply Fan not detected
Power supply fan is not connected or may have malfunctioned.
  1. Reseat power supply fan.
  2. Reseat fan cable.
  3. Replace power supply fan.
605-Diskette Drive Type Error
Mismatch in drive type.
  1. Disconnect any other diskette controller devices (tape drives).
  2. Clear CMOS. (See Appendix B, Password Security and Resetting CMOS.)
660-Display cache is detected unreliable
Integrated graphics controller display cache is not working properly and will be disabled.
Replace system board if minimal graphics degrading is an issue.
912-Computer Cover Has Been Removed Since Last System Startup
Computer cover was removed since last system startup.
No action required.
917-Front Audio Not Connected
Front audio harness has been detached or unseated from motherboard.
Reconnect or replace front audio harness.
921-Front USB 1 Not Connected
Front USB harness has been detached or unseated from motherboard.
Reconnect or replace front USB harness.
922-Front USB 1 Not Connected
Front USB harness has been detached or unseated from motherboard.
Reconnect or replace front USB harness.
921-Device in PCI Express slot failed to initialize
There is an incompatibility/problem with this device and the system or PCI Express Link could not be retrained to an x1.
Try rebooting the system. If the error reoccurs, the device may not work with this system
1151-Serial Port A Address Conflict Detected
Both external and internal serial ports are assigned to COM1.
  1. Remove any serial port expansion cards.
  2. Clear CMOS. (See Appendix B, Password Security and Resetting CMOS.)
  3. Reconfigure card resources and/or run Computer Setup or Windows utilities.
1152-Serial Port B Address Conflict Detected
Both external and internal serial ports are assigned to COM2.
  1. Remove any serial port expansion cards.
  2. Clear CMOS. (See Appendix B, Password Security and Resetting CMOS.)
  3. Reconfigure card resources and/or run Computer Setup or Windows utilities.
1155-Serial Port Address Conflict Detected
Both external and internal serial ports are assigned to same IRQ.
  1. Remove any serial port expansion cards.
  2. Clear CMOS. (See Appendix B, Password Security and Resetting CMOS.)
  3. Reconfigure card resources and/or run Computer Setup or Windows utilities.
1720-SMART Hard Drive Detects Imminent Failure
Hard drive is about to fail. (Some hard drives have a hard drive firmware patch that will fix an erroneous error message.)
  1. Determine if hard drive is giving correct error message. Enter Computer Setup and run the Drive Protection System test under Storage > DPS Self-test.
  2. Apply hard drive firmware patch if applicable. (Available at http://www.hp.com/support.)
  3. Back up contents and replace hard drive.
1796-SATA Cabling Error
One or more SATA devices are improperly attached. For optimal performance, the SATA 0 and SATA 1 connectors must be used before SATA 2 and SATA 3.
Ensure SATA connectors are used in ascending order. For one device, use SATA 0. For two devices, use SATA 0 and SATA 1. For three devices, use SATA 0, SATA 1, and SATA 2.
1797-SATA Drivelock is not supported in RAID mode.
Drivelock is enabled on one or more SATA hard drives, and they cannot be accessed while the system is configured for RAID mode.
Either remove the Drivelocked SATA device or disable the Drivelock feature. To disable the Drivelock feature, enter Computer Setup, change Storage > Storage Options > SATA Emulation to IDE, and select File > Save Changes and Exit. Reenter Computer Setup and select Security > Drivelock Security. For each listed Drivelock-capable SATA device, ensure Drivelock is Disabled. Lastly, change Storage > Storage Options > SATA Emulation back to RAID and select File > Save Changes and Exit.
1801-Microcode Patch Error
Processor is not supported by ROM BIOS.
  1. Upgrade BIOS to proper version.
  2. Change the processor.
2200-PMM Allocation Error during MEBx Download
Memory error during POST execution of the Management Engine (ME) BIOS Extensions option ROM.
  1. Reboot the computer.
  2. Unplug the power cord, re-seat the memory modules, and reboot the computer.
  3. If the memory configuration was recently changed, unplug the computer, restore the original memory configuration, and reboot the computer.
  4. If the error persists, replace the system board.
2201-MEBx Module did not checksum correctly
Memory error during POST execution of the Management Engine (ME) BIOS Extensions option ROM.
  1. Reboot the computer.
  2. Unplug the power cord, re-seat the memory modules, and reboot the computer.
  3. If the memory configuration was recently changed, unplug the power cord, restore the original memory configuration, and reboot the computer.
  4. If the error persists, replace the system board.
2202-PMM Deallocation Error during MEBx cleanup
Memory error during POST execution of the Management Engine (ME) BIOS Extensions option ROM.
  1. Reboot the computer.
  2. Unplug the power cord, re-seat the memory modules, and reboot the computer.
  3. If the memory configuration was recently changed, unplug the power cord, restore the original memory configuration, and reboot the computer.
  4. If the error persists, replace the system board.
2203-Setup error during MEBx execution
MEBx selection or exit resulted in a setup failure.
  1. Reboot the computer.
  2. Unplug the power cord, re-seat the memory modules, and reboot the computer.
  3. If the memory configuration was recently changed, unplug the power cord, restore the original memory configuration, and reboot the computer.
  4. If the error persists, replace the system board.
2204-Inventory error during MEBx execution
BIOS information passed to the MEBx resulted in a failure.
  1. Reboot the computer.
  2. If the error persists, update to the latest BIOS version.
  3. If the error still persists, replace the system board.
2205-Interface error during MEBx execution
MEBx operation experienced a hardware error during communication with ME.
  1. Reboot the computer.
  2. If the error persists, update to the latest BIOS version.
  3. If the error still persists, replace the system board.
2211-Memory not configured correctly for proper MEBx execution.
DIMM1 is not installed.
Make sure there is a memory module in the black DIMM1 socket and that it is properly seated.
Invalid Electronic Serial Number
Electronic serial number is missing.
Enter the correct serial number in Computer Setup.
Memory Parity Error
Parity RAM failure.
Third-party graphics card may be causing a problem.
Run Computer Setup and Diagnostic utilities.
Remove third-party graphics card to see if the problem goes away.
Network Server Mode Active and No Keyboard Attached
Keyboard failure while Network Server Mode enabled.
  1. Reconnect keyboard with computer turned off.
  2. Check connector for bent or missing pins.
  3. Ensure that none of the keys are depressed.
  4. Replace keyboard.
Parity Check 2
Parity RAM failure.
Third-party graphics card may be causing a problem.
Run Computer Setup and Diagnostic utilities.
Remove third-party graphics card to see if the problem goes away.

Interpreting POST Diagnostic Front Panel LEDs and Audible Codes

This section covers the front panel LED codes as well as the audible codes that may occur before or during POST that do not necessarily have an error code or text message associated with them.
  warning:
When the computer is plugged into an AC power source, voltage is always applied to the system board. To reduce the risk of personal injury from electrical shock and/or hot surfaces, be sure to disconnect the power cord from the wall outlet and allow the internal system components to cool before touching.
note:
If you see flashing LEDs on a PS/2 keyboard, look for flashing LEDs on the front panel of the computer and refer to the following table to determine the front panel LED codes.
Recommended actions in the following table are listed in the order in which they should be performed.
Not all diagnostic lights and audible codes are available on all models.
Diagnostic Front Panel LEDs and Audible Codes
Activity
Beeps
Possible Cause
Recommended Action
Green Power LED On.
None
Computer on.
None
Green Power LED flashes every two seconds.
None
Computer in Suspend to RAM mode (some models only) or normal Suspend mode.
None required. Press any key or move the mouse to wake the computer.
Red Power LED flashes two times, once every second, followed by a two second pause. Beeps stop after fifth iteration but LEDs continue until problem is solved.
2
Processor thermal protection activated:
A fan may be blocked or not turning.
OR
The heat sink/fan assembly is not properly attached to the processor.
  1. Ensure that the computer air vents are not blocked and the processor cooling fan is running.
  2. Open hood, press power button, and see if the processor fan spins. If the processor fan is not spinning, make sure the fan's cable is plugged onto the system board header.
  3. If fan is plugged in, but is not spinning, then replace heat sink/fan assembly.
  4. Contact an authorized reseller or service provider.
Red Power LED flashes three times, once every second, followed by a two second pause. Beeps stop after fifth iteration but LEDs continue until problem is solved.
3
Processor not installed (not an indicator of bad processor).
  1. Check to see that the processor is present.
  2. Reseat the processor.
Red Power LED flashes four times, once every second, followed by a two second pause. Beeps stop after fifth iteration but LEDs continue until problem is solved.
4
Power failure (power supply is overloaded).
  1. Open the hood and ensure the 4 or 6-wire power supply cable is seated into the connector on the system board.
  2. Check if a device is causing the problem by removing ALL attached devices (such as hard or optical drives and expansion cards). Power on the system. If the system enters the POST, then power off and replace one device at a time and repeat this procedure until failure occurs. Replace the device that is causing the failure. Continue adding devices one at a time to ensure all devices are functioning properly.
  3. Replace the power supply.
  4. Replace the system board.
Red Power LED flashes five times, once every second, followed by a two second pause. Beeps stop after fifth iteration but LEDs continue until problem is solved.
5
Pre-video memory error.
  caution:
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.
  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.
Red Power LED flashes six times, once every second, followed by a two second pause. Beeps stop after fifth iteration but LEDs continue until problem is solved.
6
Pre-video graphics error.
For systems with a graphics card:
  1. Reseat the graphics card.
  2. Replace the graphics card.
  3. Replace the system board.
For systems with integrated graphics, replace the system board.
Red Power LED flashes seven times, once every second, followed by a two second pause. Beeps stop after fifth iteration but LEDs continue until problem is solved.
7
System board failure (ROM detected failure prior to video).
Replace the system board.
Red Power LED flashes eight times, once every second, followed by a two second pause. Beeps stop after fifth iteration but LEDs continue until problem is solved.
8
Invalid ROM based on bad checksum.
  1. Reflash the system ROM with the latest BIOS image. See the “Boot Block Emergency Recovery Mode” section of the Desktop Management Guide for more information.
  2. Replace the system board.
Red Power LED flashes nine times, once every second, followed by a two second pause. Beeps stop after fifth iteration but LEDs continue until problem is solved.
9
System powers on but is unable to boot.
  1. Check that the voltage selector, located on the rear of the power supply (some models), is set to the appropriate voltage. Proper voltage setting depends on your region.
  2. Unplug the AC power cord from the computer, wait 30 seconds, then plug the power cord back in to the computer.
  3. Replace the system board.
  4. Replace the processor.
Red Power LED flashes ten times, once every second, followed by a two second pause. Beeps stop after fifth iteration but LEDs continue until problem is solved.
10
Bad option card.
  1. Check each option card by removing the card (one at a time if multiple cards), then power on the system to see if fault goes away.
  2. Once a bad card is identified, remove and replace the bad option card.
  3. Replace the system board.
Red Power LED flashes eleven times, once every second, followed by a two second pause. Beeps stop after fifth iteration but LEDs continue until problem is solved.
11
The current processor does not support a feature previously enabled on this system.
  1. Install a TXT capable processor.
  2. Disable TXT in the Computer Setup (F10) utility.
  3. Reinstall the original processor.
System does not power on and LEDs are not flashing.
None
System unable to power on.
Press and hold the power button for less than 4 seconds. If the hard drive LED turns green, the power button is working correctly. Try the following:
  1. Check that the voltage selector (some models), located on the rear of the power supply, is set to the appropriate voltage. Proper voltage setting depends on your region.
  2. Replace the system board.
OR
Press and hold the power button for less than 4 seconds. If the hard drive LED does not turn on green then:
  1. Check that the unit is plugged into a working AC outlet.
  2. Open hood and check that the power button harness is properly connected to the system board.
  3. Check that both power supply cables are properly connected to the system board.
  4. Check to see if the 5V_aux light on the system board is turned on. If it is turned on, then replace the power button harness. If the problem persists, replace the system board.
  5. If the 5V_aux light on the system board is not turned on, remove the expansion cards one at a time until the 5V_aux light on the system board turns on. It the problem persists, replace the power supply.

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