Troubleshooting
Flowchart 2.18—Nonfunctioning Keyboard
Keyboard
not operating
properly.
Connect computer
to good external
keyboard.
| N | |
External |
| Replace |
device |
| system |
works? |
| board. |
Y
Reseat internal
keyboard connector (if applicable).
| N | |
Keyboard |
| Replace internal |
operating |
| keyboard or |
properly? |
| cable. |
Y
Y
Keyboard
Doneoperating 
Done
properly?
N
Replace
system
board.
Maintenance and Service Guide |