Westinghouse 190/5300 Laptop User Manual


 
Troubleshooting Symptom Charts/Video - 9
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.
Partial or full row of
pixels is always on or
never comes on in an
active matrix display
1 Check display and backlight cables and connections.
2 Replace display.
3 Replace logic board.
Display is very light
or totally white
1 Adjust screen contrast and brightness settings.
2 Verify cable, inverter board, and logic board connections.
3 Replace inverter board.
4 Replace display.
5 Replace logic board.