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G5 OS X shuts off unexpectedly

shanzelka said:
My Mac has been shutting off by itself with no warning. Sometimes it takes me 5-6 times to get it up and running.
Click to expand...

Do the fans race like mad before it happens? I had issues with my G5. First the power supply and then pretty much everything else went. Had it overhauled like twice and then I wrote to Steve Jobs and they gave me a new MacPro.
 
Mac shuts off unexpectedly

Nope, it's not the temp. What else could it be? I thought it was the power strip, but now have it plugged directly into the wall.
 
Did you try resetting the SMU? Little button on the motherboard next to the ram slots.
 
Mac shuts off unexpectedly.

We opened it up, couldn't find any buttons. Vacuumed it out, put it back together. I went to pick up the kids, and when I got back the darn thing was off again!
 
shanzelka said:
We opened it up, couldn't find any buttons. Vacuumed it out, put it back together. I went to pick up the kids, and when I got back the darn thing was off again!
Click to expand...

It's tiny and black. Look around the ram, it's there.
 
do you have all the cd's? i think there maybe a hardware test cd somewhere in there. try that out. and good luck
 
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