display – M1 Mac Mini monitor has gone to sleep and I can’t wake it up

SubhamOctober 5, 2022
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M1 Mac mini (M1, 2020), with 2 Lenovo L22e-20 monitors.

I left the Mac unattended for 10 minutes, when I came back, 1 monitor is still on but the other has gone to sleep.

The one that stays on is connected via Thunderbolt, the one that goes to sleep is connected via HDMI.

I can’t wake the HDMI monitor up by turning the monitor off and on.

The only solution that has ever worked is rebooting the Mac.

If I check Energy Saver preferences, turn display off is set to 1 hour.

Help appreciated.


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