Troubleshooting
Flowchart 2.6—No Video, Part 1
No video.
Internal |
Internal or |
external |
display*? |
External |
Adjust
brightness.
Adjust
brightness.
A 
*NOTE: To change from internal to external display, use the hotkey combination.
Y
Video OK? | Done |
N
Press display
switch to ensure
operation.
Y |
|
| Y |
Video OK? | Done | Video OK? | Done |
N |
| N |
|
| Replace the following one at a time. Test after each replacement. | ||
Check for bent | 1. | Cable between notebook and notebook display (if applicable) | |
2. | Inverter board (if applicable) | ||
pins on cable. | |||
3. | Display | ||
| |||
| 4. | System board | |
N
Video OK?
Y
Done
Try
another display.
Internal and | N | Replace |
| ||
external |
| system |
video OK? |
| board. |
Y |
|
|
Done |
|
|
Maintenance and Service Guide |
