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Q: Mac Pro fans blowing continuously at full speed.

Hi guys, just bought a Mac Pro off someone. 2006 model, 2.0 quad core.

 

The guy was running two x western digital 500GB drives. But took them out and replaced it with a seagte ST3500413AS 500gb drive (new).

Mac OSX installed fine. But when i boot it up the fans go crazy! and dont stop.

 

Did a heat montior test and all looked okay, i think it was 30-50 degrees for every component.

 

Used istat and the figures for the fans were as follows:

Figures show approx:
Power suply 599rpm
Exhaust 1547rpm
CPU fan 499rpm
HD expansion 2865rpm

 

Now obviously somethings wrong. I took the drive out and pushed it back in to make sure it made good contact, i have swapped bays etc, same problem.

 

Any ideas guys?

Mac Pro, Mac OS X (10.6)

Posted on Aug 22, 2011 8:35 AM

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