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Windows 10 Screen Brightness Not Working: Fix Slider Issues Fast

Brighness adjustment may be blocked by automatic sensors

3 min. read

Updated onJuly 10, 2024

updated onJuly 10, 2024

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To fix various driver issues on your PC, you will need a dedicated tool to find the freshest and the original drivers. You can use PC HelpSoft Driver Updater to do it in 3 easy steps:

Windows 10 brightness issues on your computer are usually associated with display drivers and other power settings, which you may or may not be aware of.

If Windows doesn’t let youadjust brightnesson your PC or laptop, these are the first two areas to check for besides trying the usual common fixes such as restarting your computer or updating Windows.

What brightness issues are encountered in Windows 10?

What can I do if Windows brightness is not working?

1. Update the display adapter drivers using Device Manager

You can also try and get the latest drivers from your computer’s manufacturer’s website and download and install the latest display and chipset drivers.

Another way to solve this is by going to your manufacturer’s website and finding Windows 10 driver download links/files that are compatible with your PC.

Installing the appropriate drivers should fix the issue.

2. Disable the automatic brightness level

Check if your Windows 10 brightness slider not working issue is now resolved.

3. Enable the PnP Monitor driver

PnP stands for plug-and-play hardware devices that work without installing a driver. Instead, you consider it the generic driver for the display that will automatically get installed by Windows.

5. Update the registry to fix the brightness not working issue

If you’re still unable toadjust the brightness on your laptop, because thebrightness button is not working, try updating the registry. Back up the registry before you modify it, then restore it if a problem occurs.

6. Enable Adaptive Brightness

The Adaptive Brightness feature was removed from Windows 10 starting with version 1809 so this solution won’t work unless you haven’t upgraded your OS.

Go to the Windows search bar and typeControl Panel.
SelectPower Options.

3.Click theChange plan settingslink next to your current power plan.

SelectChange advanced power settings.
In the new window clickDisplayto open up the listings under it.
Find and click each of the following: Display brightness, Dimmed display brightness, andEnable adaptive brightness.
Change each of these to the desired settings.
ClickApplyand thenOKto save the changes.

On the contrary, if this option is already enabled and you wish to get rid of it, we have a few tricks when theAdaptive brightness doesn’t turn off.

Also, you could usereliable screen brightness softwareand exercise higher control over it on the PC. These solutions should help you if your Windows 10 brightness slider is not working.

Try our tips, and let us know if your screen is ready to shine again.

Windows 10 Screen Brightness Not Working: Fix Slider Issues Fast#

What brightness issues are encountered in Windows 10?#

What can I do if Windows brightness is not working?#

1. Update the display adapter drivers using Device Manager#

2. Disable the automatic brightness level#

3. Enable the PnP Monitor driver#

5. Update the registry to fix the brightness not working issue#

6. Enable Adaptive Brightness#