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Troubleshooting Symptom Charts/ Video - 50
Startup chime is
present and screen
lights up, but screen
is gray
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 Reseat all PCI cards
4 Reseat all DIMMs.
5 Reseat the processor module.
6 Replace the processor module.
7 Replace the logic board.