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Intermittent Display Problem 2011 iMac

I

ijlakw

macrumors member
Original poster
Oct 19, 2013
70
218
I have a problem with yet another 2011 iMac. This time the screen intermittently goes black. The computer is running fine in the background but the screen just out of nowhere goes black. I have tried everything I know... and have gone so far to have the blue shirts run diagnostics and tests over the course of a couple of days. Of course...over that time, it worked fine and the intermittent problem did not expose itself. To complicate matters, the iMac falls under the video card replacement program. But... without the problem showing up during a test, the blue shirts can't replace it.

Any ideas?
 
ijlakw said:
I have a problem with yet another 2011 iMac. This time the screen intermittently goes black. The computer is running fine in the background but the screen just out of nowhere goes black. I have tried everything I know... and have gone so far to have the blue shirts run diagnostics and tests over the course of a couple of days. Of course...over that time, it worked fine and the intermittent problem did not expose itself. To complicate matters, the iMac falls under the video card replacement program. But... without the problem showing up during a test, the blue shirts can't replace it.

Any ideas?
Click to expand...

Try to take a video the next time the problem occurs.
 
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