Windows 10: Brightness is full when restart windows

When Shutdown the PC and turn on again, the brightness is normal as before.When I restart my PC, display brightness becomes 100%.This is not a big problem for me, but I'm informing that there is an issue.Device SpecsDevice name Alex Processor 11th Gen IntelR CoreTM i5-1135G7 @ 2.40GHz 1.38 GHz Installed RAM 8.00 GB 7.73 GB usable System type 64-bit operating system, x64-based processor Pen and touch Pen and touch support with 10 touch pointsWindows SpecsEdition Windows 11 Home Single Language Version 21H2 Installed on ‎10/‎22/‎2021 OS build 22000.282 Experience Windows Feature Exper

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Brightness Control not working in Windows 10

Hi Ella,

To adjust the brightness, see the steps below:

• Go back to Power Options, and tick on the High performance.
• See if you can adjust the brightness.

If this not work, we highly suggest that you create an Administrator account, and re-do the steps above.

Let us know how it goes.

 

screen brightness on windows 10

Hi,

Some computers can let Windows automatically adjust screen brightness based on the current lighting conditions.

To manually adjust the screen brightness, we suggest following these troubleshooting steps:

• Click Start, then select Settings.
• Choose System, then select Display.
• Under Brightness and color, move the Change brightness slider to adjust the brightness.

Feel free to post back if you have other concern.

 

Brightness not working on Windows10.

Hi ,

On my Dell 5559 Windows 10 , brightness not working.

Have tried few steps from youtube videos but did not work.

Please guide.

Thanks.