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LG Ultrafine 5K on Mac mini M1 Keeps Dimming

 3 years ago
source link: https://forums.macrumors.com/threads/lg-ultrafine-5k-on-mac-mini-m1-keeps-dimming.2272425/
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LG Ultrafine 5K on Mac mini M1 Keeps Dimming

gadgetfreak98

macrumors regular
Original poster
Hi. I have hooked a new LG Ultrafine 5K second gen (27MD5KL) to my new Mac mini M1. Generally speaking it works as expected. The only issue I have had is that occasionally waking from sleep, the screen will be dimmed. This is even though auto-dimming is turned off and the brightness slider is all the way up. When this happens, I move the slider a slight bit and the brightness snaps back to where it's supposed to be.

The LG display utility, by the way, doesn't recognize the connected monitor. I suspect it is not updated for Big Sur and/or M1?

Anyone experiencing anything similar? I'm using the TB3 cable that came with the monitor and it's hooked directly to one of the TB3 ports on the Mac.

Thanks!

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