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Member Since: May 25, 2011
Posts: 2
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Originally Posted by chscag View Post
I've never heard anything quite like that before. It's definitely not coming from the hard drive. It sounds like some sort of feedback and interference coming from the sound (audio system).

Remove all external sound cards, speakers, microphones, or whatever else you have attached (if anything) and see if the sound goes away and freezing stops.

Freezes are usually caused by hardware - memory, hard drive, bad video, etc. But it can also be generated by software.
There is no external stuff attached to the mac, except for the apple wired keyboard and magic mouse. We already reinstalled the whole system and changed the bluetooth mouse. I don't think it's because of the Creative Suite 5 or VMWare Fusion, because we have the same installation on more than 4 systems and there are no problems.

Anyone knows a good memory testing program for intel based iMacs?
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