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M1 Mac Mini, Displays wont turn on after wake from sleep

Ive a brand new M1 mac mini with 2 external displays 1 on USBC and another on HDMI. One is a samsung 32 4k and the other is an asus 28 4k. Both work perfectly with the mac ordinarily, however on wake from sleep often one or both of them wont turn back on. Turning them off and on doesn't seem to help but unplugging and replugging the cables into the back of the Mac Mini seems to get them working again. This seems to be rather random, sometimes its just one monitor sometimes its the other, sometimes i get graphical glitches on one of the screens (agains fixed by unplugging and replugging the monitor cable into the back of the mini). To me this seems like a software glitch with the graphics drivers I would assume the next update will fix this. I just wanted to flag it up to see if anyone else is experiencing the same thing?

Mac mini, macOS 11.0

Posted on Nov 30, 2020 1:21 AM

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Posted on Nov 30, 2020 10:28 AM

Disabling sleep does not work. I have seen this posted multiple times. I have disabled sleep in an effort to get my LG Widescreen monitor to be awakened by my M1 Mac Mini as well as tried every other way to get this to work and it just flat out doesn't work. Apple has a bug on their hands with this. I would advise against ANYONE buying the new M1 Mac Mini until Apple can address this issue. Any "time saved" by the processing boost of the M1 chip is more than offset by the constant rebooting and plugging-unplugging monitor cables all day just to get your desktop back when you step away for longer than 15 minutes.

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M1 Mac Mini, Displays wont turn on after wake from sleep

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