Is Windows 11 Brightness Not Working? Try These Methods! - MiniTool

Practical Guide to Solving Windows 11 Brightness Issues

Windows 11 brightness failure is a common problem and frustrating. This article will provide some effective solutions to help you fix the brightness problem of Windows 11 computers.

Common manifestations of Windows 11 brightness failure

During the computer use, adjusting the screen brightness can effectively relieve eye fatigue, improve display effect and save electricity. Especially when using a computer outdoors or near windows, it is very important to adjust the screen brightness according to the ambient brightness.

However, the brightness adjustment function in Windows 11 systems sometimes fails, such as the lack of a brightness slider in "Settings", the brightness option in Quick Access is grayed out, or the brightness control is invalid, and the brightness continues to drop.

How to solve Windows 11 brightness failure

Here are some practical ways to solve Windows 11 brightness problems:

1. Disable/enable Universal Plug and Play Monitor or update the driver

Plug and Play (PnP) hardware devices can sometimes cause brightness failure. Try the following steps:

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

Step 2: Expand the Monitor , right-click the Universal Plug and Play Monitor , and check if it is enabled. If enabled, select Disable the device ; if not enabled, enable it.

Step 3: Click Actions in the top menu and select Scan to detect hardware changes .

In addition to disabling and enabling the universal PnP monitor driver, you can also try to update the driver: Right-click on the monitor, select Update driver , select Browse My Computer to Find Drivers, select Let me choose from the list of installed drivers on your computer, select Universal PnP monitor, and click Next .

2. Update the graphics card driver

Outdated graphics card drivers may also cause Windows 11 to fail brightness. Update GPU drivers:

Step 1: Open Device Manager via the Win X menu.

Step 2: Expand Show Adapter , right-click the graphics card driver, and select Update Driver .

Step 3: Select the first option and let Windows automatically search and update the driver.

You can also download the driver from the official website and install it.

3. Use Microsoft Basic Display Adapter

If the brightness still doesn't work properly, you can try using the Microsoft Basic Display Adapter:

Step 1: In Device Manager, right-click Show Adapter and select Update Driver .

Step 2: Select "Browse My Computer to Find Drivers", select "Let me choose from the list of installed drivers on your computer", select "Microsoft Basic Display Adapter", and click Next .

4. Enable adaptive brightness

The adaptive brightness function automatically adjusts the screen brightness according to ambient light.

Step 1: Go to Control Panel > Power Options .

Step 2: Click Change Schedule Settings > Change Advanced Power Settings .

Step 3: Expand the display and enable the enable adaptive brightness settings.

Step 4: Click Apply and OK to save the changes.

5. Update Windows 11

Updating Windows systems is also an effective way to solve brightness problems. Go to Settings > Windows Updates , check for and install available updates.

Hope the above method can help you solve the brightness problem of Windows 11. If you have other effective solutions, please share them in the comment section.

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