Apple 3400c/200 Laptop User Manual


 
Troubleshooting Symptom Charts/Floppy Drive - 16
Disk ejects while
booting; display
shows Mac icon with
blinking X
1 Try known-good system disk.
2 Verify that floppy disk is not locked.
3 Verify that trackpad and trackpad button are working.
4 Verify that keyboard is working.
5 Check floppy drive cable connection.
6 Replace floppy drive cable.
7 Replace floppy drive.
8 Replace logic board.