HP 8000f - Elite Ultra-slim Desktop PC Maintenance And Service Manual page 148

Table F-1 Numeric Codes and Text Messages (continued)
Control panel message
303-Keyboard Controller Error
304-Keyboard or System Unit Error
501-Display Adapter Failure
510-Flash Screen Image Corrupted
511-CPU, CPUA, or CPUB Fan not
Detected
512-Chassis, Rear Chassis, or Front
Chassis Fan not Detected
513-Front Chassis fan not detected
515-Power Supply fan not detected
601-Diskette Controller Error
138 Appendix F POST Error Messages
Description
I/O board keyboard controller.
Keyboard failure.
Graphics display controller.
Flash Screen image has errors.
CPU fan is not connected or may have
malfunctioned.
Chassis, rear chassis, or front chassis fan is
not connected or may have malfunctioned.
Front chassis fan is not connected or may
have malfunctioned.
Power supply fan is not connected or may
have malfunctioned.
Diskette controller circuitry or floppy drive
circuitry incorrect.
Recommended action
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 Appendix B,
Password Security and Resetting
CMOS on page 146.)
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 chassis, rear chassis, or front
chassis fan.
2. Reseat fan cable.
3. Replace chassis, rear chassis, or front
chassis fan.
1. Reseat front chassis fan.
2. Reseat fan cable.
3. Replace front chassis fan.
1. Reseat power supply fan.
2. Reseat fan cable.
3. Replace power supply fan.
1. Check and/or replace cables.
2. Clear CMOS. (See Appendix B,
Password Security and Resetting
CMOS on page 146.)
3. Replace diskette drive.
4. Replace the system board.