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Intermittent Freezes - Need Suggestions


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#1 Paul Daunno

Paul Daunno

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  • Accordance Version:10.x

Posted 19 November 2013 - 07:54 PM

I have a late 2009 iMac w/2.8 GHz Intel Core 2 Duo, 6GB SDRAM, OS X 10.9.  On a fairly frequent basis it will go to a white screen, a black screen or something like blue and white stripes and there's absolutely nothing I can do other than do a hard shutdown by pressing the power button.  I only recently upgraded the SDRAM and went to Mavericks when it was made available however this problem has existed for quite some time.  I've run every diagnostic I know to run and it has found absolutely nothing wrong.  The usual software running is Mail, Safari, Pages and of course Accordance (10.3.2).  I would appreciate any suggestions for isolating the cause of this issue.  As you can imagine when it happens it's quite frustrating...


Thanks,
-Paul

#2 Daniel Semler

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Posted 20 November 2013 - 11:00 AM

Hey Paul,

 

  No great answers I'm afraid. This sounds like one for the guys at Apple. You might try ifixit and see if they have any posts on anything similar. My first thought is that it sounds like a hardware but it could be almost anything. I use non-Apple aftermarket memory in my Mac - about the same vintage as yours. I don't know if you have any non-Apple parts. Could be bios. The box isn't getting excessively hot or anything is it ? If you're into it simply pulling it apart and giving it a good look over and a vacuum out might be enlightening.

 

  If you can recall anything about what happened about the time the symptoms first appeared that might help.

 

Thx

D


Accordance Configurations :
 
Mac : 2009 27" iMac                 Windows : HP 4540s laptop
      Intel Core Duo                          Intel i5 Ivy Bridge
      12GB RAM                                8GB RAM
      Accordance 10.4.3.2                     Accordance 10.4.3.2 and Aleph 10.4.3.2
      OSX 10.9 (Mavericks)                    Win 7 Professional x64 SP1




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