I have an older G5 and the start up screen has gone to grey with the Apple logo and the fan is running at a very high speed. What is the fix?
Grey with the apple logo and the fan is running at a high speed. What is the issue and what is the fix? Please help. Thank you.
howapple - hello
TRY RESETTING THE SMU AND PRAM:
Resetting the SMU on a G5 iMac:
and on resetting the PMU on a Power Mac G5, G4 and G3 :
Resetting PMU on PPC PowerBook and iBook:
Resetting your Mac's PRAM and NVRAM: