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Apple Desktops Discussion of Apple's desktop machines including Mac Pro, iMac, Power Mac, and mini

mac pro freezing on sleep

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lisamel's Avatar
Member Since: Oct 14, 2007
Location: New York
Posts: 97
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Mac Specs: Mac pro 2.66 quad, Ati x1900, 2 500GB drives, 6 mb ram, dual 24"dell monitors

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This has happened to me twice so far.
I put my mac pro (2007) to sleep and left the room.
I come back a few hours later, the fan is running very high and mac pro is stuck. I have to hold the power button for it to shut off.

It restarted fine the first time, but this morning, when I came back and the fan was on again, I held the power button to shut it off. When it restarted, I got the "bong" but the fan was still running high and no display.

I shut if off again, waited 10 minutes, then it started fine.

I thought maybe the video card (X1900) but no screen flickers or any distortions. It's working fine now.

Is it just a sleep issue with snow leopard or something?
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Chilbear's Avatar
Member Since: Jun 14, 2007
Location: Toronto
Posts: 574
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Mac Specs: 2xiMac24 w Parallels 6 (1x White, 1x Aluminum), iPhone 3GS with iOS5

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I have this issue on an 24" Aluminum iMac and have registered a case report on this issue (still under 3 yr Applecare). Mine started in December but I use Leopard and it occurs every am. They had me delete caches and this worked for 1 day.
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