Apple PowerBook 140 Specifications download pdf (Page 35)

Troubleshooting Symptom Charts/Video

(Continued)

- 9

Video

(Continued)

Row or partial row of

pixels never comes

on or is always on

1 Add shim to display cable. Refer to Additional Procedures.

2 Replace display cable.

3 Replace FSTN display (all repairers) or replace active-

matrix display (CPRC/ international repairers only).

4 Replace interconnect board.

5 Replace daughterboard.

Thin white line is

always on at middle of

screen

For FSTN screens (PowerBook 140/145/145B), a thin white

line is normal. For active-matrix screens (PowerBook 170),

return display (CPRC/ international repairers only) or return

computer to Apple.

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Apple PowerBook 140 Specifications Page 35