HP NX9040, NX9030, NX9020, ZE4900 Flowchart 2.16-Nonfunctioning Keyboard, Troubleshooting, 2-22

Troubleshooting

Flowchart 2.16—Nonfunctioning Keyboard

Keyboard

not operating

properly.

Connect notebook

to good external

keyboard.

	N
External		Replace
device		system
works?		board.

Y

Reseat internal

keyboard connector (if applicable).

N

OK?

Y

Done

Replace internal

keyboard or

cable.

Y

OK?

N

Replace system board.

Done

2–22 Maintenance and Service Guide