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My third monitor doesn't turn on. Mac could not find it, even after full system restart.

I've got three monitor, all works fine until Saturday.

Starting from today, the third monitor doesn't turn on, even after full system restart.

The monitor is linked through the HDMI port, and works fine if connected to another PC.

Mac mini 2018 or later

Posted on Jun 29, 2020 1:10 AM

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Level 9

64,838 points

Posted on Jun 29, 2020 1:36 AM

Please give full details about your mac, system, displays, connections, OS version...

You may try resetting NVRAM.

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