Troubleshooting

Flowchart 2.6—No Video, Part 1

No video.

Expansion Base

Stand-alone

 

 

 

 

Go to

 

 

 

 

 

 

 

 

“Flowchart

or expansion

 

 

 

 

 

 

 

 

2.7—No Video,

base?

 

 

 

 

 

 

 

 

Part 2.”

 

 

 

 

 

Stand-alone

 

Internal or

 

 

 

 

Adjust

 

 

 

 

external

 

 

 

 

 

 

 

 

brightness.

display*?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

External

Internal

 

 

 

 

 

 

 

 

AdjustA brightness.

Y

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

Y

Video OK?

Done

N

Press lid

switch to ensure

operation.

Y

Video OK?

Done

Video OK?

Done

N

 

N

 

 

 

Check for bent pins on cable.

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

 

 

N

 

 

N

 

 

 

 

Try

 

Internal and

 

 

Replace

 

Video OK?

 

 

another

 

external

 

 

system

 

 

 

 

display.

 

video OK?

 

 

board.

Y

 

 

 

Y

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Done

 

 

 

 

Done

 

 

 

 

 

 

 

 

 

 

 

 

 

2–18

Maintenance and Service Guide