
2] Restore default settings for the Power Plan 1] Update your Graphics driverįirst of all, visit the manufacturer’s website and update your video and graphics drivers, for your model.

If Windows 11/10 Brightness slider is not working or changes automatically on your computer system, then this post will help you troubleshoot & fix the problem.

Some Windows 11/10 users have reported that their screen brightness changes automatically or does not work properly.
