Compaq Presario 1660, Service Manual

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"Compaq.com - Compaq Presario 1660 Model Maintenance and Service Guide -
301-Keyboard Error
Probable Cause Recommended Action
Keyboard failure 1. Ensure the keys are not depressed during
POST.
2. Reconnect the keyboard with the computer
off.
3. Replace the keyboard.
304-Keyboard or System Unit Error
Probable
Cause
Recommended Action
Keyboard
or system
board error
1. Replace the keyboard.
2. Replace the TouchPad or mouse.
3. Replace the system board .
601-Diskette Controller Error
Probable
Cause
Recommended Action
Mismatch in
drive type or
failure in the
diskette
controller
1. Run Computer Checkup
(TEST) .
2. Check and/or replace
cables.
3. Replace the system board .
605-Diskette Drive Error
Probable Cause
Recommended
Action
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