And according to this Microsoft knows and has fixed it and will release update.
not holding my breath
Windows Brightness issue after the 1809 update
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Anonymous
hello , Yesterday I installed the 1809 update , and today i noticed that each time i restart my laptop the brightness level is being reset automatically to 0% or 25-50 i'm not really sure , and after windows will boot up , i will need to manually adjust the screen brightness again to 100% . I searched the web and i found this https://www.windowscentral.com/windows-10-october-2018-update-common-problems-and-fixes#fix\_brightness\_windows10\_1809 , and it might be an update issue i think , by the way , my power plan is set to maximum performance and my laptop is always plugged in , and solutions or ?
Windows for home | Windows 10 | Windows update
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Anonymous
2018-11-28T16:46:04+00:00 -
Anonymous
2018-11-29T12:41:00+00:00 Have a Dell XPS 13 9360 clean install 1809. Noticed brightness works in Intel app but Windows stops working and have to reboot in order for it to start working again.
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Anonymous
2018-11-29T12:51:30+00:00 that's a solution until they screw something else up. usually clean installs wont help until they fix the problem. then you have to go thru resetting everything up.
ur lucky.
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Anonymous
2018-11-30T21:53:09+00:00 On November 28th Intel released the Universal Windows Driver (UWD) for the Intel display (and audio). This driver now supports the new driver architecture for the 1809 build.
I installed the new driver and it fixed my issue! I re-enabled the Display Enhancement Service and my brightness remained the same.
I have the Intel UHD 620 graphics chipset.
Note: You have to install the UWD driver by running the .exe installer file. You cannot install it by selecting it with the have disk option for updating drivers. Download the driver from the Intel support site and follow the instructions from Intel.
So the issue was the the 1809 update was not compatible with legacy drivers, but the new UWD drivers were not yet available until just now.
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Anonymous
2018-12-01T13:25:19+00:00 I have the latest Intel updates but the issue still happens. Where exactly is this "Display Enhancement Service" located.
BTW according to Microsoft this is a Microsoft issue not Intel: https://blogs.windows.com/windowsexperience/2018/10/17/announcing-windows-10-insider-preview-build-18262/