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2008 Mac pro shuts down when put to sleep?

108 Views 1 Reply Latest reply: Nov 26, 2012 7:46 AM by Linc Davis RSS
clevere1 Calculating status...
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Nov 26, 2012 2:15 AM

Hello all ... I could use some advice.

 

First, the machine seems to run fine. It doesn't randomly reboot or anything odd.

Running 10.8.2

Macpro 3,1

Single Quad core processor

8 gigs of Apple memory.

 

Normally, this computer goes to sleep after a certain period of time. When it would go to sleep in the past, I just hit ye old

spacebar and she'd come backup and work great.

 

Lately (last week or two), I've noticed that, while she does go to sleep, a short time after entering sleep mode, she powers off.

Instead of sleeping.

 

I leave the computer for 30 minutes (or just put it to sleep), the display shuts off and I see the LED on the front of the ole girl start to flash.

Shortly thereafter, the light goes out.

 

Using the keyboard won't wake the computer, I have to use the power button. So it's shutting off instead of taking a nap.

 

Ideas? Things I can test?

 

Thanks!

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