Compaq dc5800 - Microtower PC Reference Manual page 191

Table C-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 CPU fan is not connected or may have
512-Chassis, Rear Chassis, or Front Chassis
Fan not Detected
514-CPU or Chassis Fan not Detected
601-Diskette Controller Error
Description
I/O board keyboard controller.
Keyboard failure.
Graphics display controller.
Flash Screen image has errors.
malfunctioned.
Chassis, rear chassis, or front chassis fan is
not connected or may have malfunctioned.
CPU or chassis fan is not connected or may
have malfunctioned.
Diskette controller circuitry or floppy drive
circuitry incorrect.
Recommended action
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 Appendix B,
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 chassis, rear chassis, or front
chassis fan.
2. Reseat fan cable.
3. Replace chassis, rear chassis, or front
chassis fan.
1. Reseat CPU or chassis fan.
2. Reseat fan cable.
3. Replace CPU or chassis fan.
1. Run Computer Setup.
2. Check and/or replace cables.
3. Clear CMOS. (See Appendix B,
Password Security and Resetting
CMOS on page
4. Replace diskette drive.
5. Replace the system board.
POST Numeric Codes and Text Messages 183
191.)
191.)