Apple 500 Benutzerhandbuch

Seite von 161
 
 Troubleshooting
Symptom Charts/Miscellaneous - 16
 
Miscellaneous
 
Clicking, chirping, 
or thumping sound
1 Replace analog board.
2 Replace logic board. Retain customer’s SIMMs.
Smoke/odor
Replace analog board.
No video, no audio, and 
no drive operation
1 Connect power cord.
2 Switch power on.
3 Replace power cord.
4 Replace analog board.
5 Replace logic board. Retain customer’s SIMMs.
“Sad Macintosh” icon
1 Replace bad disk with known-good disk.
2 Replace RAM SIMMs on logic board. 
3 Replace logic board. Retain customer’s SIMMs.