Windows 10: Can't setting the Brightness in Windows 10

I can't setting the brightness on my Windows 10

My device is Lenovo L400, i've tried to update all driver but still doesn't work.

Then i wanna tried to check the register, gonna check 'FEATURE TEST CONTROL'

• HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Class\{4d36e968-e325-11ce-bfc1-08002be10318}\0001

I can't find the 'FEATURE TEST CONTROL', i just found 'FEATURE CONTROL', is it same???

:)

 

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.

 

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.

 

Adjust brightness settings in Windows 10

Hi Vicky,

I understand that you want to adjust the brightness of the computer. I will certainly assist you.

Please answer the below questions to assist you better.

1. What is the make and model of the computer?

2. From where exactly are you trying to adjust the brightness?

I suggest you to follow the below steps and check if it helps.

• Type Settings in the Search bar and then Enter.
• Click on the System and then Notifications and Actions which is available on the Left pane.
• Click on Add or Remove quick Actions.
• In the make sure that the Brightness is ON.
• Then click on the Action Center and adjust the Brightness according to your preference.

Hope this helps. Please get back to us with more information if the issue persists, or if you have any queries related to Windows. We are here to assist you.