External display wakeup problem

rosch · 12-06-2021, 11:58 AM

In a Three-Monitor setup (iMac built in Monitor, one DisplayLink monitor and one monitor connected directly via USB-C), the third monitor directly connected via USB-C does not wake up from sleep as long as the DisplayLink Screen Manager app is running.

I have a LG Ultrafine connected via USB-C to my M1 iMac. As long as Screen Manager (including 1.6 beta) is active, the LG Ultrafine does not wake up from sleep.
I need to disconnect/reconnect the monitor in order to get it back to work.

12-06-2021, 11:58 AM	#1
rosch Junior Member Join Date: Jun 2021 Posts: 2	External display wakeup problem In a Three-Monitor setup (iMac built in Monitor, one DisplayLink monitor and one monitor connected directly via USB-C), the third monitor directly connected via USB-C does not wake up from sleep as long as the DisplayLink Screen Manager app is running. I have a LG Ultrafine connected via USB-C to my M1 iMac. As long as Screen Manager (including 1.6 beta) is active, the LG Ultrafine does not wake up from sleep. I need to disconnect/reconnect the monitor in order to get it back to work. Last edited by rosch; 12-06-2021 at 12:23 PM.

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