HP (Hewlett-Packard) NX9020 ユーザーズマニュアル

A

No video.

Adjust

brightness.

Y

Y

N

Done

N

Check for bent

pins on cable.

Replace

system

board.

Y

Y

N

N

*NOTE: To change from internal to 
external display, use the hotkey 
combination.

Internal

External

N

Y

Done

Done

Press display

switch to ensure

operation.

Done

Replace the following one at a time. Test after each replacement.

 

1. Cable between notebook and notebook display (if applicable)

 

2. Inverter board (if applicable)

 

3. Display

 

4. System board

Adjust

brightness.

Internal or

external

display*?

Video OK?

Video OK?

Done

Video OK?

Video OK?

Try

another
display.

Internal and

external

video OK?