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You are here: Home » Windows 10 » Fix: Screen Brightness Not Working In Windows 10

Fix: Screen Brightness Not Working In Windows 10

Last Updated on March 26, 2021 by admin 7 Comments

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Most notebooks include keyboard shortcuts to adjust display/screen brightness level. On desktop computers, you can find dedicated buttons on the left or right side of the monitor panel.

At times, especially after upgrading to Windows 10 or after performing a clean install of Windows 10, you might notice that the brightness controls on the keyboard or brightness settings in Control Panel are not working.

If display brightness settings are not working, it’s likely because of faulty or outdated graphics driver. It could also be because you haven’t installed the graphics driver on your Windows 10 PC.

With default settings, Windows 10 automatically downloads and updates graphics and other essential driver software. That is, in Windows 10, users don’t need to manually update most hardware drivers as Windows 10 updates drivers using Windows Update service. But users who have disabled automatic driver updates in Windows 10 have to manually update driver software on a regular basis.

If you’re unable to adjust the brightness in Windows 10, please follow the given below instructions to fix the issue.

Method 1 of 3

Update graphics driver using Device Manager (method1)

Step 1: Open the Device Manager. It can be launched by right-clicking on the Start button and then clicking Device Manager. You can also open the Device Manager by typing its name in the Start menu search box, followed by Enter key.

unable to adjust brightness in Windows 10 step1

Step 2: Once the Device Managed is launched, expand the Display Adapters list to see the name of your PC’s graphics card or onboard graphics. As you can see in the picture below,  my PC uses Intel HD Graphics 5500.

Step 3: Right-click on the graphics card’s entry and then click Update Driver Software to open the Update Driver Software wizard.

unable to adjust brightness in Windows 10 step2

Step 4: Here, click the first option labeled Search automatically for updated driver software to let Windows 10 automatically search online for an updated version of the driver. If an update to the graphic’s driver is available, Windows 10 will automatically download and install the driver, as shown in the picture below.

unable to adjust brightness in Windows 10 step3

Unable to adjust brightness in Windows 10 step 3.1

Unable to adjust brightness in Windows 10

NOTE: While updating the software, your screen might go blank for a couple of seconds.

Step 5: Once updated, please reboot your PC once.

Unable to adjust brightness in Windows 10 3.2

Method 2 of 3

Update video driver using Device Manager (Method 2)

Step 1: Open the Device Manager by right-clicking on the Start button and then clicking Device Manager. unable to adjust brightness in Windows 10 step1

Step 2: Expand Display Adapters to see your graphics card’s name and number.

Step 3: Right-click on the graphics card’s name and click Update Driver Software.

unable to adjust brightness in Windows 10 step2

Step 4: Click Browse my computer for driver software option.

unable to adjust brightness in Windows 10 step5

Step 5: Next, click Let me pick from a list of device drivers on my computer option.

unable to adjust brightness in Windows 10 step6

Step 6: Finally, select the name of your graphics card and then click the Next button.

unable to adjust brightness in Windows 10 step7

You will see installing driver software screen. You might see a black screen for a couple of seconds. Wait for a couple of minutes to see “Windows has successfully updated your driver software” message. Click the close button.

unable to adjust brightness in Windows 10 step8

You should able to adjust the brightness now. Good luck!

If you want to turn off the auto-brightness feature, please refer to our how to turn off automatic brightness adjustment in Windows 10 guide.

Method 3 of 3

Manually update driver software to be able to adjust the brightness

If the method mentioned above is not working for you, you need to manually update the graphics driver. Here is how to do that.

Step 1: Download the latest version of the graphics driver from either your PC manufacturer’s website or graphics card manufacturer’s website.

NOTE: If you are not sure about the graphics card’s manufacturer and number, you can check the same in Device Manager. Right-click on the Start button, click Device Manager, expand Display Adapters to view your graphics card’s manufacturer’s name and model number. If the required information is no being displayed in Device Manager, please use a third-party tool like Speccy (free).

While downloading the driver, be sure to download the correct type of driver as a 32-bit driver might not work on a 64-bit Windows 10 installation and vice versa. If you are not sure about the type, please refer to our check if you’re running a 32-bit or 64-bit Windows 10 guide.

Step 2: Double-click on the downloaded setup file and then follow on-screen instructions to install the driver.

Step 3: If you are asked to reboot, please perform a restart.

Filed Under: Windows 10 Tagged: Drivers

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Comments

  1. Sue says

    August 21, 2019 at 12:54 am

    Thank you so much! I have been looking everywhere for a fix and this worked!

  2. Muhammad Adnan Khan says

    August 11, 2019 at 12:48 am

    You are a Genius

  3. Matthew says

    August 9, 2019 at 3:00 pm

    If you tried all ways and still have the same problem i recommend you guys to use this app: CureUeyes

    I Had the same problem i tried everything but the app solved it just look for it on google you will see its official website.

  4. gopi says

    June 6, 2018 at 11:40 pm

    that worked .. thanks

  5. Nada Shamed says

    June 5, 2018 at 9:22 am

    WOW! You’re BRILLIANT! Tried everything, updated driver etc., no luck. Read the 2nd line and … YEAH- never knew thoses 3 buttons existed (hidden and not labeled what-so-ever) but yeah, totally solved it! Gotta love old school almost never fails! Thanks a million!

  6. RAUNAK says

    May 29, 2018 at 6:36 am

    this wont work on my hp g62 notebook
    after april 1803 update my brightness stucks on max

  7. Mark says

    April 4, 2017 at 11:48 am

    Interesting methods, but none of them seem to work for me. I have a brand new computer and every time I try to update the drivers it tells me that I have the latest and best driver already installed…and yet I still cannot adjust my brightness.

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