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LG UltraFine 5K Display dim each time I startup

I have a MacBook Pro (15-inch, Late 2016) running 10.12.4.  At work I have an older Dell display and at home I have a new LG UltraFine 5K Display (I picked it up from Apple mid January 2017).  When I travel I turn the power to my laptop off (I don't travel with it hibernated)

If I go to work in the morning and hook it into my work monitor (UCB-C to thunderbolt2 plugged into a Belkin Thunderbolt dock connected to the Dell monitor via HDMI) everything works fine.

When I come home and connect my laptop to my LG monitor using the single USB-C cable that came with the monitor.  Every time I start the laptop up in this configuration the LG monitor's brightness is set to the lowest possible setting. (I can barely see anything on the display) .

I set the brightness to where I want it to be for the external monitor but the next time I either restart or power on the laptop it reverts back to the lowest brightness setting.

I've tried turning Night Shift off but I get the same results.  This seems to have started when the macOS release with Night Shift was distributed.

Is there anything I can do to keep the brightness setting on the LG monitor set?

This is happening to me to with the LG 5k Ultra Fine. Talked with a senior Apple Technical Support rep a few months ago who, I believe, is still investigating the issue.

Has anyone else found an issue? This is VERY annoying to say the least.

I am also having this issue and can't get the brightness to increase on the monitor at all

Makes 3 of us now.  My LG 5K was perfect yesterday. Fired up my mac this morning and it almost black.  I can see the apple menu but the monitor is basically almost black.

最后更新：2017-08-22 18:42:03

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