Macintosh Classic - Symptom Charts;Floppy Drives

Troubleshooting Symptom Charts/Floppy Drives - 6
Floppy Drives
Audio and video are
present, but internal
floppy drive does not
operate
1 Replace bad disk with known-good disk.
2 Replace floppy drive cable.
3 Replace floppy drive.
4 Replace logic board. Retain customer’s SIMMs.
External floppy drive
does not operate
1 Replace bad disk with known-good disk.
2 Be sure external floppy drive is placed on right side of
computer.
3 Replace external floppy drive.
4 Replace logic board. Retain customer’s SIMMs.
Disk ejects; display
shows icon with
blinking “X”
1 Replace bad disk with known-good system disk.
2 Replace floppy drive.
3 Replace logic board. Retain customer’s SIMMs.