Apple G4 manual

Models: G4

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Troubleshooting

 

 

Symptom Charts/ Startup - 43

 

 

 

 

 

 

 

 

 

 

System shuts down

1

Power Macintosh G4 (PCI Graphics): Reset the Cuda chip. See

almost immediately

 

“ Resetting the Cuda Chip” in this chapter.

after startup

2

Reset the logic board:

 

 

 

 

Power Mac G4 (AGP Graphics): Refer to “Resetting the

 

 

 

 

 

PMU on the Logic Board” in this chapter.

 

 

 

 

Power Macintosh G4 (PCI Graphics): Refer to “Resetting

 

 

 

 

 

the PCI Logic Board” in this chapter.

 

 

 

3

Check the modem connector (J27). If the connector has any

 

 

 

 

bent pins, replace the logic board.

 

 

 

4

Replace the processor module.

 

 

 

5

Replace the power supply.

 

 

 

6

Replace the logic board.

Page 241
Image 241
Apple G4 manual