Why do my display rotation settings keep switching between my two monitors?

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Level 1

4 points

Why do my display rotation settings keep switching between my two monitors?

I have 2 monitors connected to my Mac mini, 1 via HDMI and 1 via Lightning cable. The one connected via HDMI is my primary screen with no rotation. My secondary screen, connected via lightning cable, is rotated 270 degrees. Every time I log out, lock my screen, restart my computer, or shut down and turn back on, my screen rotation switches between the two screens - (270 degrees for my primary screen & 0 degrees for my secondary screen). Is there a way I can lock the rotation settings? Or how do I prevent the settings from constantly switching?

Mac mini, macOS 12.0

Posted on Nov 17, 2021 11:12 AM

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Answer 1

Nov 17, 2021 11:58 AM in response to vandries

Hi vandries,

Do you have any installed additional monitor/display software that could be causing the issue?

You don't say what model of Mac mini you're on; but I am going to assume an Intel (as it is what I have and am familiar with). To that end, have you any Login Items that might be causing the conflict? Have you tried rebooting with a new Thunderbolt cable and/or switched ports on the Mac mini and see if it is port related?

Have you considered restarting into Safe mode and possible also rebooted and done an NVRAM/PRAM reset?

Could it also be that the respective cable seatings into each monitor from your Mac mini are possibly a little loose? Have you tried removing and reseating them?

Give the above a review and try and post back, if they don't resolve your issues.

Cheers,

Anthony

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Answer 2

vandries Author

Level 1

4 points

Nov 30, 2021 6:29 PM in response to WESTCOASTHOPKINS

Hi Anthony,

Sorry, I'm on the 2020 Mac mini with the M1 chip. No additional monitor/display software that I'm aware of, but I do use Amazon Workspaces for work. Nor sure if that would have any effect or not.

Fortunately, the reboot into Safe Mode seemed to fix the issue. I'll reach back out if the problem returns.

Cheers,

Victor

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Why do my display rotation settings keep switching between my two monitors?

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