Floppy drive – Apple Mac PowerBook 550c User Manual
Page 38
Troubleshooting
Symptom Charts/Floppy Drive - 11
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 motherboard.
Disk ejects while
booting; display
shows Mac icon with
blinking X
1 Try known-good system disk.
2 Verify that trackpad and trackpad button are working.
3 Verify that keyboard is working.
4 Check floppy drive cable connection.
5 Replace floppy drive cable.
6 Replace floppy drive.
7 Replace motherboard.
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