Troubleshooting

 

Symptom Charts/Miscellaneous - 27

 

 

Macintosh” icon

1

Verify that no disc is in CD-ROM drive.

 

“Sad

 

 

 

2

Disconnect all external SCSI devices and attempt to restart

 

 

 

3

computer.

 

 

 

Disconnect internal SCSI device and attempt to start

 

 

 

4

computer with known-good floppy disk.

 

 

 

Replace bad SCSI drive with known-good SCSI drive.

 

 

 

5

Replace RAM SIMMs on logic board.

 

 

 

6

Replace logic board. Retain customer’s SIMMs.

No sound from

1

Check that volume is turned on (manually or through Control

known-good external

2

Panel).

speakers

Verify that headphones are unplugged.

 

 

 

3

Verify that speaker connectors are properly connected.

 

 

 

4

Replace logic board. Retain customer’s SIMMs.

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Apple 5260, 5280 manual