HP Compaq 6005 Pro Maintenance And Service Manual page 140

Table F-1 Numeric Codes and Text Messages (continued)
Control panel message
301-Keyboard Error
303-Keyboard Controller Error
304-Keyboard or System Unit Error
501-Display Adapter Failure
510-Flash Screen Image Corrupted
511-CPU Fan not detected
512-Rear Chassis Fan not Detected
513-Front Chassis Fan not detected
912-Computer Cover Has Been Removed
Since Last System Startup
130 Appendix F POST Error Messages
Description
Keyboard failure.
I/O board keyboard controller.
Keyboard failure.
Graphics display controller.
Flash Screen image has errors.
CPU fan is not connected or may have
malfunctioned.
Rear chassis fan is not connected or may
have malfunctioned.
Front chassis fan is not connected or may
have malfunctioned.
Computer cover was removed since last
system startup.
Recommended action
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.
1. Reconnect keyboard with computer
turned off.
2. Replace the system board.
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.
1. Reseat the graphics card
(if applicable).
2. Clear CMOS. (See Password Security
and Resetting CMOS on page
3. Verify monitor is attached and turned
on.
4. Replace the graphics card (if possible).
Reflash the system ROM with the latest
BIOS image.
1. Reseat CPU fan.
2. Reseat fan cable.
3. Replace CPU fan.
1. Reseat rear chassis fan.
2. Reseat fan cable.
3. Replace rear chassis fan.
1. Reseat front chassis fan.
2. Reseat fan cable.
3. Replace front chassis fan.
No action required.
136.)