Emerson N410C, N400C manual Flowchart 2.6 No Video, Part

Troubleshooting

Flowchart 2.6 - No Video, Part 1

No video.

Docking

station

Stand-alone

or docking

station?

Stand-alone

Go to

Flowchart 2.7,

No Video, Part 2.

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

Y

Internal or

external

display*?

External

Adjust

brightness.

Adjust

brightness.

Internal

A

Video OK? Done

N

Press lid

switch to ensure

operation.

Y

Y

Video OK?

N

Check for bent pins on cable.

N

Video OK?

Y

Done Video OK? Done

N

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
Try	Internal and		Replace
another	external		system
display.	video OK?		board.

Y

Done

Done

2–16 Maintenance and Service Guide