HP NX9500 manual Flowchart 2.6-No Video, Part

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
			A
	Adjust
	brightness.

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

Y

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

2–18 Maintenance and Service Guide