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Power PC G5 Freezing/Crashing, then after restart, running great for HOURS.

1162 Views 4 Replies Latest reply: Nov 21, 2011 12:46 PM by mixersteve RSS
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Nov 21, 2011 10:46 AM

I have an old PPC G5 Dual 2.5 with 5 Gigs of RAM, and the Delphi Liquid Cooling system, running OSX 10.5.8.

It will ALWAYS freeze within 20 minutes of startup, and have to be hard-shutdown. After it is restarted, it runs GREAT for HOURS. I can mix a 40-channel Pro Tools session forever, and no crashes, nothing. After it's shut down for a few hours, over night, etc., I'll start it up, and FREEZE. THe freeze is usually accompanied by the fans gradually ramping up until they're full speed. I'm surprised it doesn.t start to move.

What the ****? Why the initial freeze followed by incredible stability?

Please, someone help me without telling me to "clean it" or "replace the processors". The thing runs FLAWLESSLY after the initial freeze.

I find this to be incredibly odd. I have a Mac Pro now and am trying to sell this G5, but would like to resolve this freeze problem first.

PowerMac, Mac OS X (10.5.8)

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