Apple PowerBook 165 - Manual (Page 44)

Troubleshooting Symptom Charts/Floppy Drive - 20
Floppy Drive
Audio and video
present, but internal
floppy 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.