POST Error Messages

POST Error Messages

Screen Message

Probable Cause

Recommended Action

 

 

 

CMOS Checksum Bad

CMOS contents failed the

Restart the computer, use the F10 Key to

 

Checksum check.

access Computer Setup. Select Load

 

 

Default Settings > Save and Exit.

 

 

 

Keyboard Error

Keyboard not present or

Reconnect keyboard with computer

 

system not responding

turned off.

 

when keyboard controller

Check connector for bent or missing

 

is initialized.

pins.

 

 

Ensure that none of the keys are

 

 

depressed.

 

 

Replace keyboard.

 

 

Replace system board.

 

 

 

Keyboard/Interface

Keyboard controller

Reconnect keyboard with computer

Error

failure.

turned off.

 

 

Check connector for bent or missing

 

 

pins.

 

 

Ensure that none of the keys are

 

 

depressed.

 

 

Replace keyboard.

 

 

Replace system board.

 

 

 

 

C–4

431672-001

Service Reference Guide