iMac G5 shutting down randomly

[iris_failsafe]

a close friend has a 20' iMac g5. the Computer now shuts downs sporadically and she says it gets a lot hotter

any idea what's wrong?

 

[Eidorian]

Check here first.

 

[Macmaniac]

%100 its a power supply or logic board.

 

[jesteraver]

%100 its a power supply or logic board.

3rd option is: memory might be corrupt.

Had the same problem. Replaced the PSU and logic board, all worked out fine. Just the memory was causing all the problems.

 

[Eidorian]

3rd option is: memory might be corrupt.

Had the same problem. Replaced the PSU and logic board, all worked out fine. Just the memory was causing all the problems.

Yeah, it wouldn't hurt to reseat the RAM and or run a test on it.

 

[Triplenickle]

I have a iMac G5 and experienced this as well. It was my power supply. I had it replaced.