K PowerBook 140/145/ 145B/170 - Apple Collection

Troubleshooting Symptom Charts/Video (Continued) - 10
Video (Continued)
Display is very light
or totally white
1 Adjust screen contrast (PowerBook 140/145/145B only).
2 Check display cable, inverter board, interconnect board,
daughterboard, and motherboard connections.
3 Replace inverter board.
4 Replace interconnect board.
5 Replace display cable.
6 Replace FSTN display (all repairers) or replace activematrix
display (CPRC/ international repairers only).
7 Replace daughterboard.
8 Replace motherboard.