Troubleshooting | Symptom Charts/ Startup - 41 | |
|
|
|
Computer begins to power up, the fan and hard drive are spinning, the power LED is lit, but there is no startup chime or video
1Reset 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.
2Power Macintosh G4 (PCI Graphics): Check the jumper block at J25. Make sure the jumper is the correct color for the processor type, includes all required inner metal clips, and is installed in the correct direction. See “Processor Module” in Take Apart for more information.
3Reseat the processor module.
4Verify all PCI and AGP cards are seated properly.
5Replace the processor module.
6Replace the logic board.
