Apple quadra 700.mac iicx.iici Manual Do Serviço

 

 Troubleshooting

Symptom Charts/System

 

 (Continued)

 

 - 3

 

System shuts down 

intermittently

1 Make sure air vents on sides and top of case are 

unobstructed. Thermal protection circuitry may shut down 

system. After 30–40 minutes, system should be OK.

2 Replace power cord.

3 Check batteries. Refer to “Battery Verification” in 

Additional Procedures.

4 Replace power supply.

5 Replace logic board. Retain customer’s SIMMs.

System 

intermittently 

crashes or locks

1 Make sure system software is correct version.

2 Make sure application software is known-good.

3 Replace SIMMs. 

4 Replace logic board. Retain customer’s SIMMs.

5 Replace power supply.