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Troubleshooting Symptom Charts/External Floppy Drive - 23
External Floppy Drive
Audio and video
present, but external
drive does not operate
1 Check floppy-adapter-to-PowerBook connection.
2 Try known-good floppy disk.
3 Check floppy drive cable connection.
4 Replace floppy drive cable.
5 Replace floppy adapter.
6 Replace floppy drive.
7 Replace logic board.
Note:
When replacing the logic board, check that the EMI clips
are securely attached to the CPU stiffener. The “CPU Stiffener”
topic in Take Apart helps you locate and identify the two EMI clips.
If both clips are not secure, replace the CPU stiffener.