Compaq Evo D300 Troubleshooting Manual page 57

Numeric Codes and Text Messages
Code/Message
501-Display
Adapter Failure
510-Splash
Screen image
corrupted
511-CPU, Rear,
or Front Fan not
detected
601-Diskette
Controller Error
602-Diskette
Boot Record
Error
*L = Long, S = Short
Troubleshooting Guide
Beeps Probable Cause
1L, 2S* Graphics display
controller.
None Splash Screen image
has errors.
None Fan is not connected or
may have
malfunctioned.
None Diskette controller
circuitry or floppy drive
circuitry incorrect.
None Diskette in Drive A not
bootable.
Post Error Messages
Recommended Action
1. Reseat the graphics card
(if applicable).
2. Clear CMOS.
3. Verify monitor is attached
and turned on.
4. Replace the graphics
controller.
Install latest version of
ROMPaq to restore image.
1. Reseat fan cable.
2. Replace the fan.
1. Run Computer Setup.
2. Check and/or replace
cables.
3. Clear CMOS.
4. Replace diskette drive.
5. Replace the system board.
Replace the diskette.
A–7