Keeping Mac's native screen resolution when projector plugged in, but turned off

Question

Keeping Mac's native screen resolution when projector plugged in, but turned off

Hello

I have a bit of a problem with my iMac and projector I'm using. It's iMac 21" Retina 4k 2019 and projector Epson EH-TW5400 which I connect by HDMI cable and a USB-C to HDMI converter. Every time I want to use the projector I plug in the cable into my Mac and turn the projector on, then the Mac screen resolution changes to match the projector. When I turn the projector off, the resolution stays to match the projector and I have to pull the cable out to return to my Mac native resolution.

My question is: is there a way to make my Mac return to its native resolution without having to pull out and in the cable. I mean returning to retina the moment projector turns off.

Thanks,

M

iMac 21.5″, macOS 11.2

Posted on Apr 20, 2021 2:30 AM

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Answer 1

Apr 20, 2021 3:44 AM in response to HydrantStudio

Well maybe not automatically but you could press Command-F1.

This is the shortcut to toggle mirroring the display on and off.

Or perhaps you can choose to use the projector as an extension of your iMac desktop instead of mirroring. In that case the resolution of the iMac would never have to change.

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Answer 2

Apr 20, 2021 8:22 AM in response to Luis Sequeira1

It doesn't really help me, because toggling screen mirroring just makes the (turned off) projector a second display and some windows just go there and I cannot drag them back to the main display, because I don't see them...

Im looking for a solution that would tell my Mac that when the plugged in display is turned off, it shouldn't be recognized at all.

Thanks anyway :)

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Keeping Mac's native screen resolution when projector plugged in, but turned off

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