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freedevil

macrumors 6502a
Original poster
This seems to happen on my 2011 iMac. Is anyone else having this problem? Issue started after upgrading to Yosemite.

 
Last edited:
This seems to happen on my 2011 iMac. Is anyone else having this problem? Issue started after upgrading to Yosemite.

YouTube: video

I have seen similar artifacts since installing the beta. Definitely a software issue.
I wouldn't worry about it until later on in the release cycle.
 
I have seen similar artifacts since installing the beta. Definitely a software issue.
I wouldn't worry about it until later on in the release cycle.

Good to hear. My previous iMac went through this curse of multiple video cards being replaced. I submitted the bug to Apple as well.
 
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