M1 mac mini confused by two identical displays

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Level 1

8 points

M1 mac mini confused by two identical displays

My 2022 M1 Mac mini is connected to two identical displays, one via the built-in HDMI port and the other with Apple's thunderbolt to HDMI adapter. When waking from sleep the mini seems to randomly decide which display is right or left side. Waking the computer and finding all of the windows swapped right for left is annoying because I typically use the display on the right for my active application and workspace. Does anyone know of a fix for this issue?

M1 mini 16 GB

Mac OS 12.3

2x innocon monitor 27C1U

Mac mini, macOS 12.3

Posted on Jul 5, 2022 10:01 AM

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Answer 1

den.thed

Level 10

90,712 points

Jul 5, 2022 10:13 AM in response to JMMC

Set the Energy Saver preference to only allow the displays to turn off after 10 or 15 minutes.

This is a know issue in Monterey and sending feedback directly to Apple may help.

Feedback - Mac mini - Apple

Feedback - macOS - Apple

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Answer 2

den.thed

Level 10

90,712 points

Jul 5, 2022 5:03 PM in response to JMMC

You're welcome.

Again this is a known issue with macOS Monterey and Dual Displays.

Sadly the only way for users like you and I to get thru,

is to continually pester the upper tiers at Apple Support
and/or by sending Feedback using the links that I shared above.

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Answer 3

JMMC Author

Level 1

8 points

Jul 5, 2022 3:04 PM in response to den.thed

Thanks for the suggestion, but my energy saver preferences are set to 15 minutes with the no-sleep button checked. I think this may be a software issue because the Displays preferences also seems to get confused. Maybe the Mac OS HDMI handler has no way to differentiate when two identical devices are connected?

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M1 mac mini confused by two identical displays

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