TroubleshootingSymptom Charts/Miscellaneous - 16

Miscellaneous

Clicking, chirping,

1

Replace analog board.

or thumping sound

2

Replace logic board. Retain customer’s SIMMs.

Smoke/odor

Replace analog board.

No video, no audio, and

1

Connect power cord.

no drive operation

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.

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Apple 550, 575, 577, 560, 500, 578 manual Miscellaneous