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You are here: MacNN Forums > Hardware - Troubleshooting and Discussion > Mac Desktops > iMac Screen Blanking Problem

iMac Screen Blanking Problem
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Sockie
Fresh-Faced Recruit
Join Date: Mar 2007
Status: Offline
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Mar 19, 2007, 07:07 PM
 
I'm seeing a very odd problem with my iMac (It's just over a year old).

The screen would go blank right in the middle of working on the iMac, and then something inside the iMac seems to spin up - not sure if its the Hard Disk or some sort of Fan. Anyway after about three seconds of blank screen the picture returns. Then about 2 minutes later it happens again

The iMac has been back under warranty repairs a while ago and had leaky or bulging caps replaced.

Could it be more caps problems?
     
Waragainstsleep
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Join Date: Mar 2004
Location: UK
Status: Online
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Mar 21, 2007, 05:40 PM
 
It could be. Take the back off and have a look. You can see pretty easily if caps are bulging or not. The tops should be flat. And if they bulge enough, they even leak. Usually an orange gunk.
     
   
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