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MacMike81

macrumors regular
Original poster
Jan 15, 2011
117
8
Ohio
Ive seen a few threads on this with no real resolution... Ive tried it all, including clear SMC and PRAM.

Safari video play back and FaceTime freezes after 3-5 secs but if you wiggle the mouse it unfreezes. If you keep moving the mouse video plays fine.

Firefox/youtube works just fine.

Machine is a 2017 iMac, 5k 27", 4.2 i7, Radeon Pro 580
 
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