Windows Brightness issue after the 1809 update

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 ?
 

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Last updated November 16, 2018 Views 4,320 Applies to:

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Hi,

Thank you for posting your concern on Microsoft Answer Community.

  • What is the make and model number of the PC?

  • Do you have additional graphics card installed on your computer?

We would suggest you to follow the method mentioned below and let us know if that helps.

  1. Press Windows and R key together on your Keyboard. Type control and hit enter.

  2. Search for Power Options.

  3. Click on “Change advance power settings”.

  4. Under Advanced settings tab, Expand the Display option

  5. Expand Enable adaptive brightness, then turn OFF the settings.

  6. Restart the PC.

Hope it helps.

Aditya Roy

Microsoft Community – Moderator

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that answer wont work .... new update (October) doesn't have this option ............... plz fix this major issue 

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I have the same problem too. And there's no such option as "Enable adaptive brightness" in Windows 10 1809 version. Plus when the screen goes to dimmed display brightness mode(i.e. few minutes before turning off the screen), then it remains in dimmed display and it recovers only when I restart my laptop.

My laptop is Lenovo Y50-70

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Same problem here with my Lenovo Y50-70

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I have the problem -  shows here as very dim screen after boot. 

I made sure hibernate was not involved.

Sketchy, and I see years of history on related problems., many of which are quite scary:  completely dark screens that can't be adjusted to show.

Please get this a complete fix, Microsoft software people....!!

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Ran into the same problem with 1809 HALLOWEEN update

Brightness dim to 50% every boot up


Dell Vostro 5471

Windows 10 Pro
Intel UHD 620

AMD Radeon 530

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i wish someone invent a new os instead of this **** windows ......... its a big fkin BUG

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I also have the same problem after updating to 1809. And I don't have this "Enable adaptive brightness" option so this can't help me.

Asus ROG Strix GL703GS

Win10 Pro

GTX1070

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I'm having the same issue, where the screen occasionally resets brightness to 50% or so. It started immediately after installing the October update. It seems like Microsoft tried to migrate the adaptive brightness away from the classic Power Options and into the new Display Settings, but left out the small detail of actually adding the setting. It's referenced in Ease of Access that you should be able to change adaptive brightness in Display Settings and it even links you there, but the option doesn't exist.

I've dug around in the registry a bit, and I managed to find this directory: HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\DisplayEnhancementService\State\SDC434B0_00_07DE_2B
which includes options like, "isAutobrightnesson." I haven't had a chance to try editing these keys, but it looks very promising. A word of warning, editing the registry can cause serious issues if you don't know what you're doing. Do so at your own risk.

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same problem , this is the worst update first deleted files now this

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