Troubleshooting Symptom Charts/Video
(Continued)
- 12
Video
(Continued)
Backlight doesn’t
operate
1 Adjust screen brightness setting.
2 Verify interconnect-cable-to-motherboard connection.
3 Replace inverter board.
4 Replace interconnect cable.
5 Replace interconnect board.
6 Replace display.
7 Replace daughterboard.
8 Replace motherboard.
Slight white line is
always in middle of
screen.
Condition is normal for PowerBook 100 screen.