Specifications

Troubleshooting Symptom Charts/Error Chords (Continued) - 3
Error Chords (Continued)
Four-tone error
chord sounds during
startup (Macintosh
LC II)
1 Disconnect hard drive power cable and hard drive data cable
and reboot system. If startup sequence is normal, run
“Macintosh Hard Disk Test” and replace hard drive if
necessary.
2 Disconnect floppy drive cable and reboot system. If startup
sequence is normal, replace floppy drive.
3 Replace logic board. Retain customer’s SIMMs.