Инструкции По Обслуживанию для Apple performa 400 series

 

 Troubleshooting

Symptom Charts/Miscellaneous - 14

 

System 

intermittently 

crashes or locks up

1 Make sure System is version 7.0.1 (or later) for Macintosh 

Performa 400 or version 7.1 or later for other Performa 

400 Series computers.

2 Make sure software is known-good.

3 Replace SIMMs.

4 Replace logic board. Retain customer’s SIMMs.

5 Replace power supply.

No sound from 

speaker

1 Verify that volume setting in Control Panel is 1 or above.

2 Replace speaker.

3 Replace logic board. Retain customer’s SIMMs.

Clock doesn’t run

1 Replace battery. See “Battery Replacement” in Additional 

Procedures.

2 Replace logic board. Retain customer’s SIMMs.