HDMI monitor lose rotations setting after waking system up about 1 times of 3

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HDMI monitor lose rotations setting after waking system up about 1 times of 3

After upgrading to macOS Catalina I'm getting weird behavior. One of my monitors connected via HDMI dongle doesn't keep rotation setting anymore (-270 degrees). Also sound doesn't play through another monitor after waking system up. Another monitor is connected directly via usb-c until I change output devoice several times.

Do you have any idea how to fix it? I can live sounds issue but monitor issues is pretty annoying.

Macbook pro 15 2017. Everything was working perfectly before upgrade.

Thanks.

MacBook Pro 15″, macOS 10.15

Posted on Jul 20, 2020 12:40 PM

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Answer 1

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varvashenia Author

Level 1

8 points

Jul 23, 2020 7:37 AM in response to varvashenia

Okay. It didn't help.

Contacted support and followed proposed solutions one by one

https://support.apple.com/en-us/HT201177

https://support.apple.com/en-us/HT204063

https://support.apple.com/en-us/HT201295

After 10 hours issue didn't appear. :tada:

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Answer 2

varvashenia Author

Level 1

8 points

Jul 23, 2020 12:06 AM in response to varvashenia

It looks like I fixed it by changing monitor input from HDMI to DVI. Same cable, same dongle, same monitor plus a hdmi to dvi adapter. Also this fixed sound issue since the monitor connected through the hdmi to dvi adapter doesn't detected anymore as a sound output.

Also noticed that I cannot rotate more than 1 monitor. I don't need it but just saying.

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HDMI monitor lose rotations setting after waking system up about 1 times of 3

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