Troubleshooting

Flowchart 2.18—Nonfunctioning Keyboard

Keyboard

not operating prop-

erly.

Connect notebook

to good external key-

board.

 

 

N

 

 

 

 

 

 

External

Replace

 

 

 

 

device

system

 

 

 

 

works?

board.

 

 

 

Y

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Reseat internal key-

 

 

 

 

 

 

 

board

 

 

 

 

 

 

 

connector

 

 

 

 

 

 

 

(if applicable).

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

N

 

 

 

 

 

 

Keyboard

Replace internal

 

 

 

 

operating

keyboard or

 

 

 

 

properly?

cable.

 

 

 

Y

 

 

 

 

 

 

 

Y

 

 

 

 

 

 

 

 

 

 

Keyboard

 

 

 

 

 

 

 

 

 

 

 

 

Done

operating

 

 

Done

 

 

 

 

properly?

 

 

 

N

Replace

system

board.

2–26

Maintenance and Service Guide