Fix Brightness Slider Missing on Windows 10

Windows 10 is the latest Operating System from Microsoft. It became more popular with its advanced security and features. It let the users to customize the appearance as per their wish with more themes. You will have a slider to increase and decrease the brightness. After installing the latest updates or after a clean installation, users encountered an issue with brightness slider missing on Windows 10.

In laptops, you will also have an option to increase and decrease the brightness using the function keys. During this issue, all the other function keys including volume, disabling/enabling touch pad works fine but brightness keys will not work anymore.

As per our research, the issue with brightness slider missing occurs if the monitor driver is disabled, due to the old graphics driver and some other reasons that we discuss in this article in detail.

If you are facing the issue with brightness slider missing and function keys not working to adjust the brightness, this guide helps you to fix the issues and let you to adjust the brightness on your computer.

How to fix brightness slider missing on Windows 10 computers?

Follow the below resolution steps one by one and check if the issue gets fix. If the issue remains after the troubleshooting step, you can proceed with the further steps.

Enable device in the Device Manager:

To enable the device in Device Manager, refer the below steps.

  1. Press Windows logo + R keys on your keyboard to open RUN window. Type devmgmt.msc and hit enter. It will open the Device Manager window.

2. Now, expand Monitors section, right click on the driver and select the option Enable Device.

3. If it is enable already, just try disabling it and then enable it again.

4. Next, right click on the driver and select Properties. In the Properties window click on Driver tab.

5. If the driver provider is something apart from Microsoft, click on Uninstall Device.

6. Now, click on the Scan for hardware changes button. It will reinstall the device.

Reboot your computer now and check if the brightness slider appears now. You can also check if the brightness function keys working fine now. If the issue remains, you can proceed with the further resolution steps.

Update/Reinstall display driver:

As mentioned above, if the graphics driver is outdated, you may encounter these kind of issues. In this case, we suggest you to try updating or reinstalling the display driver on your computer. You can refer the below steps to perform the same.

Update Display Driver to fix Brightness Slider Missing issue:

To update your display driver, refer the below steps.

  1. Press Windows logo + R keys on your keyboard to open RUN window. Type devmgmt.msc and hit enter. It will launch the Device Manager window.

2. Now, expand Display Adapters section. Right click on Display Driver and click on Update driver.

3. Select the option, Search automatically for updated driver software.

4. It will start searching for the drivers online.

5. If it found any updates, it will install automatically. If the updated driver is already installed, it will display the below screen.

Once the driver is updated, check if the brightness slider missing issue gets fix, you can also check if the brightness function keys working or not. If the issue remains, you can try reinstalling the display driver on your computer.

Reinstall Display Driver:

If updating the driver does not help, you can try reinstalling the display driver on your computer. To perform the same, refer the below steps.

  1. Launch Device Manager.
  2. Right click on display driver and select the option Uninstall device.

3. Next, check mark the option Delete the driver software for this device and click on Uninstall.

4. It will remove the display driver but not completely. Some of the driver traces will remains in the Windows files.

5. To remove the driver traces completely, we suggest you to download the Display Driver Uninstaller and run it on your computer.

Once it is done, reboot your computer and to reinstall the display driver, you can use the Auto Detect tools. It will detect the compatible driver that needs to install and download it on your computer. You can refer the below links as per the driver installed on your computer.

NVIDIA Auto Detect

AMD Auto Detect

Intel Auto Detect

You can download and install the display driver on your computer. In most of the cases, this step fixed the issue with brightness slider missing on Windows 10 computers. The brightness function keys also should work fine from now. If the issue remains the same, you can try checking for the updates on your computer and install them.

Install Windows Updates to fix brightness slider missing issue:

If none of the above troubleshooting steps helps, you can try installing the latest Windows Updates on your computer. If the previous updates creates any issues on your computer, Microsoft tries to resolve them in the further updates. Therefore, installing the updates on your computer helps you to fix the brightness slider missing on Windows 10.

To install Windows Updates, refer below steps.

  1. Press Windows logo + I keys on your keyboard to open Settings window. Click on Update & Security.

2. Next, click on Check for Updates. Computer will start checking for the updates. If found any, it will start installing them.

Once the updates are installed, you can reboot your computer and check if the issue with brightness slider missing on Windows 10 computers. It should also fix the issue with brightness function keys not working.

I hope the above troubleshooting steps helps you to fix the issue with brightness slider missing or brightness function keys not working on Windows 10 computers. If you need any further assistance, do comments below. We are happy to assist you.

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