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iMac screen display

Without any discernible reason, my iMac 27" screen completely shifts to half blue, half green, divided horizontally. I reboot and it returns to normal. Why?

Current Pro Desktops

Posted on Aug 11, 2020 6:16 AM

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1 reply

BDAqua

Level 10

239,183 points

Aug 11, 2020 5:18 PM in response to lanairesident

Have you blown the dust out of the intakes lately?

What temperatures does this App report? Especially the GPU.

This App can be used to speed up the fans, all my iMacs would be dead without it.

Never ever ever drop fan speeds below the speed that the Mac itself is calling for.

MacFansControl…

https://www.crystalidea.com/macs-fan-control

iMac screen display

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