"Compaq.com - Compaq Presario 1200 Series Maintenance and Service Guide - Models: 1234, 1235, 1236, 1237, 1238, 1240, 1242, 1250, and 1252
XX000YZZ 201-Memory Error
Probable Cause
Recommended Action
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
Mismatch in drive type
Run Computer Setup.
1780-Primary Hard Drive 0 Failure
Probable Cause
Recommended Action
Disk 0 failed to respond
1. Run Computer Checkup (TEST).
2. Replace the hard drive.
Hard drive format error
1. Run Computer Checkup (TEST).
2. Replace the hard drive.
1782-Hard Drive Controller
Probable Cause
Recommended Action
Hard drive controller failure
1. Run Computer Setup.
2. Replace the hard drive.
1.800.AT.COMPAQ
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