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Troubleshooting Symptom Charts/Floppy Drive - 11
Floppy Drive
Internal floppy drive
does not operate
1 Replace disk with known-good floppy disk.
2 Replace floppy drive cable.
3 Replace floppy drive.
4 Replace logic board. Retain customer’s SIMMs.
5 Replace power supply.
During system
startup, disk ejects;
display shows icon
with blinking “X”
1 Replace disk with known-good system disk.
2 Clear parameter RAM. Hold down <Command> <Option> <P>
<R> during startup but before “Welcome to Macintosh”
appears.
3 Replace floppy drive cable.
4 Replace floppy drive.
5 Replace logic board. Retain customer’s SIMMs.