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harryb2448

 
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Member Since: Nov 28, 2007
Location: Nambucca Heads Australia
Posts: 17,424
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Mac Specs: iMac i5 2.7GHz OS X.9.4 and OS X.10

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http://macosx.com/forums/mac-os-x-sy...e-problem.html

Firstly make sure the inlet and exhaust ports for the MDD are cleaned regularly and use a paint brush to clean the fins of the heat sink. Make sure all fans are working as early models did have fan failures.

You mention PCI graphics card - do you have an AGP card which are up to 2x faster? Core Image compatible cards such as the ATI Radeon 9600 do not require a fan unit asnd run cool and quiet.

Temperature Monitor is a free download and will advise what the actual CPU temperature is. From memory Apple Discussions advised 65 celsius was the danger point and brought on system freeze.

Also the reapplication of thermal paste, use Arctic Silver, will help if this has dried out and cracked. Hope it comes good for you.
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