Apple M4753 Laptop User Manual


 
Troubleshooting Symptom Charts/Video - 11
Video
Note:
A certain number of defects are inherent in display
technology and vary by many factors, including type of technology.
If you suspect that your display contains an abnormal number of
defects, call Apple Technical Support.
Caution:
Do not use a metal screwdriver to reseat the display
cables, or shorting could result. Use a plastic or nylon tool.
Partial or full row of
pixels is always on or
never comes on in an
active matrix display
1 Check display cables and connections.
2 Replace data display cable (international only).
3 Replace display (international only).
4 Replace I/O logic board.