Solved: Windows 10 brightness slider not working or Grayed out

The laptops brightness setting has been screwed after Windows 10 Update?

You are not alone, Several users report,Brightness Control not working on Windows 10. why is my brightness not working?

This issue might be occurring because of Outdated, incompatible or corrupted drivers Graphics/Display drivers installed on your system.

Again sometimes incorrect power configuration, third-party applications, and Windows update bug cause windows 10 brightness not working.

Enable Generic PnP Monitor

Sometimes Generic PnP Monitor had somehow got disabled and was causing the issue.

you’ve got the option to also try this Turnoff Adaptive brightness and check it may help you.

Again restart windows and check this time you’re able to adjust screen brightness.

Did this help to fix adjusting the brightness problems on your laptop?

Let us know which option worked for you.