HP Compaq 6000 Pro Maintenance & Service Manual page 103

Table A-1 Numeric Codes and Text Messages (continued)
Control panel message
301-Keyboard Error
303-Keyboard Controller Error
304-Keyboard or System Unit Error
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
917-Front Audio Not Connected
921-Device in PCI Express slot failed to
initialize
Description
Keyboard failure.
I/O board keyboard controller.
Keyboard failure.
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.
Front audio harness has been detached or
unseated from motherboard.
There is an incompatibility/problem with this
device and the system or PCI Express Link
could not be retrained to an x1.
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.
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.
Reconnect or replace front audio harness.
Try rebooting the system. If the error
reoccurs, the device may not work with this
system
POST Numeric Codes and Text Messages
95