Several Windows users have recently reported that their brightness adjustment slider is suddenly stuck/grayed out or missing on their windows 11,10 systems and they are unable to change the brightness level on their systems. Some other Windows users reported that after they updated their bios or made some changes to the bios settings.
There may be several reasons for this problem in the system, it may be because the Windows system and graphics card driver are not updated. This may also be due to disabling the monitor driver and because some users may have unknowingly removed the brightness settings option from the action center on the taskbar.
If you are facing a similar issue like the brightness slider option is frozen or missing on your system, then all the solutions given in this article can prove to be of great help in resolving the issue. We came up with these solutions after extensive investigation into the cause of this issue, so read on...
Disabled The monitor driver can be the cause of such issues on any Windows device, so we recommend users to try enabling the monitor driver through Device Manager using the following steps.
Step 1: Press the Windows and R keys simultaneously to open the Run command box in the lower left corner of the screen, as shown in the figure below.
Step 2: Then, type devmgmt.msc ,thenpress the Enter key## in the run text box #Open Device Manager.
Step 3: After opening the Device Manager window, go toMonitor from the device list and double-clickit to expand it.
Step 4: Next,right-click on the DisplayDriver and click Enable from the context menu if it was disabled previously. Otherwise, it will show the disabled option in the context menu.
Step 5: Once completed,right-click DisplayDriver again and select## from the context menu #Update Driver as shown below.
Step 6: Next, select the
Browse my computer for driveroption from the window that appears on the screen as shown below .
Step 7: Then, click
Let me choosefrom a list of available drivers on my computer to continue.
Step 8: Select the monitor driver (
Universal Pnp Monitor) from the compatible hardware list as shown in the image below and click Next step.
Step 9: It will start updating the monitor driver you selected from the list and once it is completed, it will throw a success message window.
Step 10: Once completed, close the Device Manager window and see if the issue is resolved.
Fix 2 – Update Windows System
Step 1: Press the
Windowskey on your keyboard and type settings. Step 2: Then, select
Settingsfrom the search results as shown below.
Step 3: Once the Settings page opens, go to the
Windows Update option at the bottom of the left menu of the Settings page.
Step 4: Later, click on the
Check for Updates button in the uppermost right corner as shown below.
Step 5: Now it will start checking for any updates and if it finds any, download and install them. Step 6: Restart the system after completion to take effect. The display adapter is also important and needs to be updated regularly for brightness or any other display related issues on your system. Here are a few steps to follow to update your display adapter using Device Manager. Step 1: Press and hold the Windows and X keys on your keyboard simultaneously. Step 2: This will display the context menu of the Start button on the taskbar. Step 3: Select Device Manager from the list by clicking as shown below. Step 4: In the Device Manager window that just opened, double-click Display Adapters in the device list to expand it. Step 5: Now right click on Intel(R) UHD Graphicsetc display adapter and click on Update Driver. Step 6: Click on the Automatically search for drivers option in the update window that appears on the screen as shown below. Step 7: It will start updating the display adapter and once completed, it will display a success message as shown below. Then, click Close to close the window. Step 8: After that, close the Device Manager window. If none of the above fixes helped you, then this is probably the last thing you need to install this awesome app called Twinkle Tray The best solution, this app is for adjusting the brightness level of your monitor using keyboard shortcuts. Let us start with how to install and use Twinkle Tray application on windows system. Step 1: Press the Windows key and type microsoft store. Step 2: Press the Enter key to open the Microsoft Store app on your system. Step 3: In the Microsoft Store app, type blink tray in the search bar at the top of the app. Step 4: Select the Twinkle Tray:Brightness Slider app from the search results drop-down list as shown below. Step 5: Click Get to start downloading and installing the application on your system. Step 6: Now it will start downloading and installing the application. Step 7: Once completed, open the twinkle tray application on your system by pressing the Windows key and typing twinkle tray. Step 8: Then, select the Twinkle Tray app from the search results as shown below. Step 9: Open the system tray on the right side of the taskbar, right-click on the flashing tray icon and select Settings from the context menu as shown below. Step 10: This will open the Flash Tray settings window where you need to go to Hotkeys & Shortcuts on the left menu options. Step 11: Then, click on the “Increase brightness” field and press any key to set a shortcut for increasing system brightness. Similarly, configure hotkeys for the "Reduce brightness" and "Turn off display" options. Step 11: Once completed, you can close the settings window. You can now adjust your monitor's brightness level using these shortcuts set using the Blink Tray app. Fix 3 – Update Display Adapter
Fix 4 – Install Twinkle Tray: Brightness Slider App
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