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Windows 11 brightness not working

Windows 11 brightness issue is a common problem. If you find brightness is not working, this is frustrating. Well then, how can you fix this issue on your Windows 11 PC? Take it easy and some useful solutions can be found in this post from MiniTool Solution.

Windows 11 Brightness Not Working

When using a computer, sometimes you need to change the screen brightness to avoid eye strain, improve visibility, and save energy. If you use the PC outdoor or near a window, you also need to adjust the brightness according to the brightness of your surroundings.

However, you may fail to change brightness in Windows 11 since there is no brightness slider in Settings. When going to adjust screen brightness from Quick Access, the option is greyed out.

Besides, there are some other situations on Windows 11 brightness not working. According to users, the brightness option is existing, but the brightness control is not working. In addition, sometimes Windows 11 brightness keeps going down.

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If you run into one of the above situations, how can you fix the Windows 11 brightness issue? Move to the next part to look for some solutions.

Solutions to Windows 11 Brightness Not Working

Disable/Enable Generic PnP Monitor or Update Driver

PnP stands for the plug-and-play hardware device. According to users, this way is useful to fix the issue of brightness not working like Windows 11 brightness control not working, Windows 11 brightness slider missing, etc. So, you can also have a try by following the steps below.

Related article: Fix Generic PnP Monitor Issue in Windows 10

Step 1: Right-click the Start button and choose Device Manager.

Step 2: Expand Monitors, right-click on the Generic PnP Monitor and check if it is enabled. If it is, choose Disable device. If it is not enabled, disable it.

Step 3: Click Action at the top menu and choose Scan for hardware changes.

disable enable PnP monitor

In addition to disabling and enabling the Generic PnP monitor driver, you can choose to update the driver to fix your Windows 11 brightness issue.

Right-click this monitor and choose Update driver. Click Browse my computer for drivers > Let me pick from a list of available drivers on my computer, choose Generic PnP Monitor, and click Next. Then, Windows will install the driver successfully.

update Generic PnP Monitor driver

Update Graphics Card Drivers

Outdated graphics card drivers can lead to Windows 11 brightness not working or Windows 11 brightness slider missing. To help you out, go to update the GPU drivers.

Step 1: Go to Device Manager via the Win + X menu.

Step 2: Expand Display adapters, right-click on the graphics card driver and choose Update driver.

Step 3: Choose the first option to let Windows automatically search for drivers to update.

In addition, you can update graphics card drivers by downloading the driver from the official website and installing it on your PC. To know more information, refer to this post - How to Update Graphics Card Drivers (NVIDIA/AMD/Intel).

Use Microsoft Basic Display Adapter

If your brightness is not working in Windows 11, you can use Microsoft Basic Display Adapter.

Step 1: In Device Manager, right-click the display adapter and choose Update driver.

Step 2: Go to Browse my computer for drivers > Let me pick from a list of available drivers on my computer, select Microsoft Basic Display Adapter and click Next. Windows will install the driver for your Windows 11 PC.

Microsoft Basic Display Adapter

Enable Adaptive Brightness

If you run into Windows 11 brightness control not working, you can enable Adaptive Brightness to fix this issue. This feature can use light sensors to change the brightness of your screen depending on your environment. On most modern laptops, you can do this task.

Step 1: Go to Control Panel > Power Options.

Step 2: Click Change plan settings > Change advanced power settings.

Step 3: Expand Display and turn on settings for Enable adaptive brightness.

Step 4: Save the change by clicking Apply and OK.

Update Windows 11

Windows update is a useful common to fix some issues including Windows 11 brightness bug. If you cannot adjust brightness, keep your Windows updated. Go to Settings > Windows Update and check for updates. Once some available updates are detected, download and install them on your PC.

update Windows 11

Related articles:

These are methods to fix Windows 11 brightness not working. If you have any other useful methods, you can leave a comment below to let us know. Thanks.

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