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Flowchart 2.6 - no video, part 1 – Compaq 1500 User Manual

Page 49

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2–16

Maintenance and Service Guide

Troubleshooting

Flowchart 2.6 - No Video, Part 1

A

N

Stand-alone

or docking

station?

No video.

Replace the following one at a time. Test after each replacement.
1. Cable between notebook and computer display (if applicable)
2. Inverter board (if applicable)
3. Display
4. System board

Internal or

external

display*?

Adjust

brightness.

Video OK?

Done

Docking

station

Internal

Stand-alone

External

Adjust

brightness.

Video OK?

Done

Y

Press lid

switch to ensure

operation.

Video OK?

Done

Y

N

Video OK?

Done

Done

N

Check for bent

pins on cable.

Try

another
display.

Internal and

external

video OK?

Replace

system

board.

Y

Y

N

N

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

Y

Go to

Flowchart 2.7,

No Video, Part 2.

279372-001.book Page 16 Friday, July 19, 2002 11:50 AM