Apple PowerBook 140 Specifications download pdf (Page 41)

Troubleshooting Symptom Charts/Floppy Drive - 15

Floppy Drive

Audio and video

present, but internal

drive does not operate

1 Try known-good floppy disk.

2 Check floppy drive cable connection.

3 Replace floppy drive cable.

4 Replace floppy drive.

5 Replace daughterboard.

6 Replace motherboard.

Disk ejects while

booting; display

shows Mac icon with

blinking X

1 Try known-good system disk.

2 Verify that trackball or mouse button is not stuck.

3 Check floppy drive cable connection.

4 Replace floppy drive cable.

5 Replace floppy drive.

6 Replace motherboard.

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Apple PowerBook 140 Specifications Page 41