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Troubleshooting Symptom Charts/External Floppy Drive
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External Floppy Drive
(Continued)
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 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.