Apple powermac g3 blue.white Service Manual

 

 Troubleshooting

Symptom Charts/System - 36

 

System shuts down 

intermittently

1 Check that the fan cable is connected and the fan is 

operational. 

2 Make sure air vents are clear. Do not operate the computer 

with the access panel open, the heatsink could overheat.

3 Make sure power cord is plugged in firmly.

4 Replace power cord.

5 Check battery. 

6 Reset Cuda chip. (Refer to “The Cuda Chip” in this chapter 

for instructions.)

7 Reset logic board. (Refer to “Resetting the Logic Board” in 

this chapter for instructions.)

8 Replace power supply.

9 Replace logic board.

10 Replace processor module.

System 

intermittently 

crashes or hangs

1 Verify system software is Mac OS 8.5.1 with Mac OS ROM 

1.2.

2 Verify software is known-good. Perform a clean install of