Apple 4400/200 PC Manuel D’Utilisation
Troubleshooting
Symptom Charts/Miscellaneous - 16
Miscellaneous
Screen shows “Sad
Macintosh” icon and
black vertical lines;
screeching sound
1 Replace DIMMs.
2 Replace logic board. Retain customer’s DIMMs.
Headphone jack does
not operate correctly
Verify that headphone jack is seated properly.