How to Fix Screen Brightness on Windows 10 in Laptop and PC?Microsoft‘s most stable operating system is Windows 10. In this article, we will solve the Screen Brightness Problem that is common in the Windows 10 operating system.
How to Fix Screen Brightness on Windows 10 in Laptop and PC?

How to Fix Screen Brightness on Windows 10 in Laptop and PC?

With the Windows 10 screen brightness problem, you can often encounter Lenovo branded PCs and Laptops. For example, the Lenovo Z500 and Lenovo Z580 series are experiencing the screen brightness problems. You may also see this error in the Lenovo IdeaPad series.

If you can not adjust the screen brightness on Windows, you need to update the graphics card drivers of your computer first. If your screen brightness still does not change after you update your graphics card driver, you may need to edit the Regedit settings on Windows 10.

The most common computer brands that encounter with the screen brightness problem are;

Lenovo
Dell
Sony
Toshiba
Acer
Asus

You can not only experience the screen brightness on Windows 10, but you can also encounter this problem in Windows 7, Windows 8 and Windows 8.1 operating systems.

Laptop users can use the FN + Brightness Up / Brightness Down keys to adjust the screen brightness. If this method does not work, we will resolve the problem that the screen brightness does not change in this article.

How to Fix “Windows 10 Screen Brightness Not Working” Error?

The screen brightness problem on Windows 10 is usually due to the integrated video card in your computer. First, you need to update the driver of the Intel (R) HD Graphics 4000 device.

Follow the steps below in order to update the driver of your computer’s Intel (R) HD Graphics 4000 device.

   Step 1

Right-click on the Computer and click Manage. Once you have opened the Computer Management window, click on Device Manager. From the Device Manager, select Display adapters, then right-click on the Intel (R) HD Graphics 4000 and click on Update Driver Software… in the window opened.

How to Fix Screen Brightness on Windows 10 in Laptop and PC?

   Step 2

Click Automatically Search for Current Driver Software. Make sure the Windows Update service is turned on, otherwise you will not download the driver over the Internet.

How to Fix Screen Brightness on Windows 10 in Laptop and PC?

   Step 3

If your driver is already up to date, you will see a message like the one below.

How to Fix Screen Brightness on Windows 10 in Laptop and PC?

   Step 4

After updating the graphics card driver, restart your computer and try changing the Screen Brightness. If the screen brightness does not change, then restore the driver of the integrated display card as follows.

After applying this method, you will be able to change the display brightness of your PC and Laptop, but the driver will not be installed.

How to Fix Screen Brightness on Windows 10 in Laptop and PC?

   Step 5

In the Roll Back Driver window, select “My applications are not running with this driver” and click Yes to return to the previous driver package.

How to Fix Screen Brightness on Windows 10 in Laptop and PC?

How to Fix and Change the Screen Brightness Issue in the Windows 10 Operating System?

If the screen brightness still does not change after following the steps above, you will need to configure the Regedit settings on your Windows 10 operating system.

To change the screen brightness on Windows 10, follow the steps below to configure your Regedit settings.

   Step 1

Open the Run window by pressing Windows Key + R together. After running Run, type regedit in the Open: and click OK.

How to Fix Screen Brightness on Windows 10 in Laptop and PC?

   Step 2

After opening the Registry Editor, click on the HKEY_LOCAL_MACHINE.

How to Fix Screen Brightness on Windows 10 in Laptop and PC?

   Step 3

Click SYSTEM under HKEY_LOCAL_MACHINE.

How to Fix Screen Brightness on Windows 10 in Laptop and PC?

   Step 4

Under SYSTEM, click ControlSet001.

How to Fix Screen Brightness on Windows 10 in Laptop and PC?

   Step 5

Under ControlSet001, click Control.

How to Fix Screen Brightness on Windows 10 in Laptop and PC?

   Step 6

Under Control, click Class.

How to Fix Screen Brightness on Windows 10 in Laptop and PC?

   Step 7

Under Class, click {4d36e968-e325-11ce-bfc1-08002be10318}. Note that you have chosen the right option here!

How to Fix Screen Brightness on Windows 10 in Laptop and PC?

   Step 8

Under {4d36e968-e325-11ce-bfc1-08002be10318}, click on the 0001 option.

How to Fix Screen Brightness on Windows 10 in Laptop and PC?

   Step 9

On the right-hand side of the screen, select FeatureTestControl and double-click on it.

How to Fix Screen Brightness on Windows 10 in Laptop and PC?

   Step 10

In the DWORD value editing window that opens, select the Decimal option.

How to Fix Screen Brightness on Windows 10 in Laptop and PC?

   Step 11

After you select the Decimal option, change 61440 in the Value data field to 61512.

How to Fix Screen Brightness on Windows 10 in Laptop and PC?

   Step 12

After entering the 61512, click the OK button.

How to Fix Screen Brightness on Windows 10 in Laptop and PC?

   Step 13

Restart your computer after ensuring that the FeatureTestControl option is the same as the Data value below.

How to Fix Screen Brightness on Windows 10 in Laptop and PC?

Our Recommendation

You can purchase “Windows 10 Book for Dummies” from Amazon.

Download REG File to Solve the Screen Brightness Problem

If you have resolved the Windows 10 screen brightness problem, you can download the REG file to resolve this error more quickly and use this REG file if you encounter this problem again later.

Download REG File

   Note

If the display brightness problem persists despite changing the value of “{4d36e968-e325-11ce-bfc1-08002be10318} / 0001” in Regedit settings, you can try changing the value of FeatureTestControl in 0000 in the same way.

  Final Word

In this article, we have fixed the screen brightness problem that Windows 10 users frequently encounter. After applying the methods described above, you will definitely be able to change the brightness of your computer’s display. Thanks for following us!

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