Apple 2300C Personal Computer User Manual


 
Troubleshooting Symptom Charts/External Floppy Drive - 11
Disk ejects while
booting; display
shows Mac icon with
blinking X
1 Try known-good system disk.
2 Verify that trackpad ∑∑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 serial port
EMI clip is attached to the bottom of the CPU stiffener. If it is
missing, replace the stiffener. On international units, also
replace the stiffener if the modem EMI clip is missing. The “CPU
Stiffener” topic in Take Apart helps you locate and identify the
two EMI clips.