The brightness option is unavailable in Windows 10

To find the brightness option, just press windows logo+w to open the Search Charm and just type brightness and select the settings.

But if your problem is related to pressing a key on your keyboard or laptop, like the user below suggests on the Microsoft forums, then you need to try some other fixes.

for some time the brightness button after you press settings in the sidebar is unavailable before I installed windows 8.1, with the shortcut keys on the wireless keyboard accompanying my all-in-one Toshiba not working. the brightness work first when I originally got the computer but does not now. is it because of an update?

How do I enable the brightness option in Windows 10?

1. Change your power plan settings

  1. From the Start Screen, type Control Panel and select it.
  2. Set the View by: dropdown to Category.
  3. Select Hardware and Sound.
  4. Select Power Options.
  5. Select the Change plan settings link on your current power plan.
  6. Select Change advanced power settings.
  7. Expand Display.
  8. Expand Enable adaptive brightness.
  9. Change the setting to On and select OK.

If your Windows Defender is giving you warnings about setting the brightness to maximum, you can disable it by following this quick guide.

2. Update your display drivers

  1. Press the Win Key + S and type Device Manager.
  2. Open Device Manager.
  3. Expand the Display adapter section and select your GPU.
  4. Right-click on your GPU and select Update driver.

Users should also try updating their display drivers to fix the brightness unavailable Windows 8.1 error. They can do that by using the Device Manager method which we explained in detail above.

If you are using an Nvidia or AMD GPU you might try to download the latest drivers from your manufacturer’s website, which could solve your problem.

Update drivers automatically

Updating your drivers manually requires you to check your hardware model and search for the latest compatible driver version available.

Such a process is tedious, and requires a lot of time, and is not safe if you have no background knowledge. Thankfully, there are other ways to automatically download and update your drivers.

DriverFix Updater ResultsIf you are a gamer, photo/video producer, or you deal daily with any kind of intensive visual workflows then you already know the importance of your graphics card (GPU).
To make sure that everything goes smoothly and avoid any kind of GPU driver errors, be sure to use a complete driver update assistant that will solve your problems with just a couple of clicks, and we strongly recommend DriverFix.
Follow these easy steps to safely update your drivers:

  1. Download and install DriverFix.
  2. Launch the software.
  3. Wait for DriverFix to detect all your faulty drivers.
  4. The application will now show you all the drivers that have issues, and you just need to select the ones you’d liked fixed.
  5. Wait for the app to download and install the newest drivers.
  6. Restart your PC for the changes to take effect.


Keep you GPU on the peaks of their performance without worrying about its drivers.

Disclaimer: this program needs to be upgraded from the free version in order to perform some specific actions.

The main problem that a Windows user can have is upgrading to the latest version and not finding the brightness option.

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