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Troubleshooting Symptom Charts/ Startup - 43
System shuts down
almost immediately
after startup
1 Power Macintosh G4 (PCI Graphics): Reset the Cuda chip. See
“ Resetting the Cuda Chip” in this chapter.
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.