Quick Answer: What To Do If Brightness Key Is Not Working?

How do I turn on Fn key for brightness?

The Fn key is usually located to the left of your spacebar.

The brightness function keys may be located at the top of your keyboard, or on your arrow keys.

For example, on the Dell XPS laptop keyboard (pictured below), hold the Fn key and press F11 or F12 to adjust the brightness of the screen..

How do I turn down the brightness without a key?

You can adjust the brightness without using the function key. Open search bar, and type Power Options. You will see below the brightness slider. There are a lot of ways to adjust the brightness, but using the function key is the most simple way.

How do you unlock the Fn key?

If you hit the letter key on the keyboard, but the system show number, that ‘s because fn key locked, try the solutions bellow to unlock function key. Solutions: Hit FN, F12 and Number Lock key at the same time. Hold down Fn key and tap F11.

How do you check if Fn key is working?

Sometimes the function keys on your keyboard could be locked by the F lock key. As a result, you can’t use function keys. Check if there was any key like F Lock or F Mode key on your keyboard. If there is one key like that, press that key and then check if the Fn keys could work.

What does the Fn key do?

Simply put, the Fn key used with the F keys across the top of the keyboard, provides short cuts to performing actions, such as controlling the brightness of the screen, turning Bluetooth on/off, turning WI-Fi on/off.

What is the alternative to the Fn key on a keyboard?

1) Make Use Of The Keyboard Shotcut The quickest way to disable the Fn key and use the standard function keys instead of the special features, no need to enter the BIOS settings for changing it.

How do I reduce the brightness below the minimum in Windows 10?

You can use alt + pgdn to decrease brightness and alt + pgup to increase brightness. For Windows Intel users: right click the desktop and go to “Graphics Properties…”. There you can reduce brightness for your screen.

Why is Alt f4 not working?

Check if your keyboard has an Fn key somewhere. Usually, you will find it somewhere near the Space key. If yes, press Alt+Fn+F4 shortcut to check if the open window closes on your computer. … Some keys have dual functions and the Fn key is used to activate the secondary function of the key.

What is function of f1 to f12 keys?

You finally know what exactly all those F1 to F12 keys do! The function keys on a computer keyboard labelled F1 through F12, are keys that have a special function defined by a currently running program or by the operating system. They can be combined with the Ctrl or Alt keys.

Why is my brightness not going down?

In the Power Options menu, click on Change plan settings, then click on Change advanced power settings. In the next window, scroll down to Display and hit the “+” icon to expand the drop-down menu. Next, expand the Display brightness menu and manually adjust the values to your liking.

Why my Fn key is not working?

In most cases, the reason why you cannot use the function keys is because you have unknowingly pressed the F lock key. … We recommend looking for an F Lock or F Mode key on your keyboard. If there is one, try pressing it, then check if the Fn keys are now working.

Where is the Fn key?

The majority of portable computer manufacturers today (including HP, Dell, and Samsung) currently place the Fn key between the left Control key and the left Windows key, making it the second key from the left on the bottom row of the keyboard.

What is the shortcut key for brightness?

On Surface Pro devices with type covers, you can use the keyboard shortcut Fn + DEL to increase the brightness and Fn + Backspace to decrease it. On our Lenovo Legion Y520 laptop with Windows 10, you can press the key combination Fn + F11 to lower the brightness and Fn + F12 to increase it.

How do I fix my Fn key on Windows 10?

What to do if Function Keys don’t work on your Windows 10 laptop?Run Hardware troubleshooter.Update your laptop drivers.Uninstall Synaptics Pointing Device driver.Uninstall hotkey drivers from your laptop.Enable VAIO Event Service.Disable Filter Keys.Reset this PC.