How to Fix the Brightness Going Back to 50% Issue Upon Reboot in Windows 10
By Timothy Tibbetts |
Windows 10 currently has an issue with screen brightness going back to 50% after a reboot. While we expect this will be fixed in a future release, here's how to resolve this problem.
1: Download NSudo and extract the files. It's portable, so you can delete NSudo if the problem is resolved by Microsoft later.
2: Go to the x64 folder from the NSUdo files that you extracted, then right click on NSudo.exe and choose Run as Admin.
3: From the top, change the user to System then check the box which says Enable All Privileges
4: Click the Browse Button then type regedit.exe in the search box located at the top right of the screen and wait while Windows finds regedit.exe
5: Now hit Run in NSudo to have it launch the registry editor with the Systems user privileges
6) Navigate to the following key:
HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesDisplayEnhancementServiceState
There you will find your screen model or maybe even more than one screen model as it was in my case so the next step should be applied to all the screen models that you find under that key (State)
7) Double-click on the following keys, change the Base to Decimal first, then type 100 for both of them:
ScreenBrightnessPercent
SliderBrightnessPercent
Now set your screen back to whatever brightness level you want and try to reboot, the brightness level that you set should now stick.
Thanks Ultra Male.
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1: Download NSudo and extract the files. It's portable, so you can delete NSudo if the problem is resolved by Microsoft later.
2: Go to the x64 folder from the NSUdo files that you extracted, then right click on NSudo.exe and choose Run as Admin.
3: From the top, change the user to System then check the box which says Enable All Privileges
4: Click the Browse Button then type regedit.exe in the search box located at the top right of the screen and wait while Windows finds regedit.exe
5: Now hit Run in NSudo to have it launch the registry editor with the Systems user privileges
6) Navigate to the following key:
HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesDisplayEnhancementServiceState
There you will find your screen model or maybe even more than one screen model as it was in my case so the next step should be applied to all the screen models that you find under that key (State)
7) Double-click on the following keys, change the Base to Decimal first, then type 100 for both of them:
ScreenBrightnessPercent
SliderBrightnessPercent
Now set your screen back to whatever brightness level you want and try to reboot, the brightness level that you set should now stick.
Thanks Ultra Male.
comments powered by Disqus