Thread: Power Mac G5 shuts down repeatedly

Now I upgraded to Mac systems from Windows systems. I installed Mac OS X 10.5 on my Power Mac G5. But problem is Power Mac G5 randomly shuts down as running applications. Also it is working slowly and also some times it won’t boot. So please tell me how to solve this problem as early as possible.

I think logic board of PC is defective. So I suggest you to check if logic board of PC is functioning properly or not. If logic board is defective then change motherboard of PC.

Attempt doing PRAM reset and see if Power Mac is functioning correctly. Occasionally invalid entries stored in RAM. If memory gets flooded with it then OS won’t work appropriately. To bring system back to operational state, clear all invalid entries from RAM. For this shut down PC and find Apple, Option, R and P. Now press and hold these keys as booting PC. Keep keys pressed till 3 startup chimes are heard. Then release keys and allow system boot.