Top 5 Solutions to Windows 10 Brightness Not Working

The brightness slider of Windows 10/8/7 may fail to work and it may be due to several reasons.

This post will show you how to solve the problem Windows 10 brightness not working.

And if you have the same trouble, try these solutions.

They ask for help to solve the Windows 10 brightness not working issue.

As a matter of fact, they are several reasons giving rise to the brightness control not working problem.

And the most common one is due to the display drivers.

So to make it solve the brightness slider not working problem, this post will show you 5 solutions.

If you have the same trouble, try these solutions.

Now, we will show you how to fix the Windows 10 brightness not working problem.

Solution 1.

To upgrade Windows 10, we will show you the detailed steps.

Step 1: PressWindowskey andIkey together to openSettings.

Step 2: In the pop-up window, chooseUpdate & Security.

Step 3: Go toWindows Updatesection, and clickCheck for Updateto continue.

Solution 2.

So to solve the problem, it’s possible for you to try restarting the display adapter.

Step 1: PressWindowskey andRkey together to openRundialog and input thedevmgmt.mscand hitEnterto continue.

Step 2: ExpandDisplay adapter, right-click your display adapter and chooseDisable deviceto continue.

Step 3: ClickYes.

Then your screen may turn off, but it will switch back on after a couple of seconds.

Step 4: After that, enterDevice Managerwindow again and expand theDisplay adapters.

Then chooseEnable deviceto continue.

After that, make a run at check whether the issue brightness slider not working is solved.

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Solution 3.

Here we show you how to update display drivers automatically.

Step 1: Open theDevice Manageragain.

For the detailed steps, like refer to the method listed above.

Step 2: snag the display driver and right click it.

Then chooseUpdate driversto continue.

Step 3: In the popup window, chooseSearch automatically for updated driver softwareto continue.

If you want to update driver manually, choose the other one.

But it requires that you have downloaded the driver in advance.

When the process is finished, you could check whether the issue Windows 10 brightness not working is solved.

Solution 4.

So if the above solutions are not working, try this one.

Step 1: OpenDevice Managerwindow and choose toUpdate driverswith the same method listed in the above solution.

Step 2: In the popup window, chooseBrowse my computer for driver software.

Step 3: ChooseLet me pick from a list of available drivers on my computerto continue.

Step 4: ClickMicrosoft Basic Display Adapter.

Then clickNext to continue.

Then your gear will begin to drop in the Microsoft Basic Display Adapter.

Solution 5.

Thus, we will show you the step-by-step guide.

Step 1: TypeControl Panelin the search box of Windows 10 and choose the best-matched one to continue.

Step 2: In the popup window, chooseTroubleshootingto continue.

Step 3: Next, chooseHardware and Sound.

Then chooseHardware and Devices.

If you have the same trouble, try these solutions.

We also hope this post can help you out.