How do you check Fn key is working?

On your keyboard, look for an Fn, F lock, or F Mode key. Depending on your laptop, you should press for one time or press and hold for a few seconds. If this didn't work, press the Fn and Esc keys at the same time. Then, try to use one of the Function keys.
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How do I activate the Fn key?

Press fn and the left shift key at the same time to enable fn (function) mode. When the fn key light is on, you must press the fn key and a function key to activate the default action.
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Why is Fn key not working?

In most cases, the reason why you cannot use the function keys is because you have unknowingly pressed the F lock key. Don't worry because we can teach you how to unlock the function keys on Windows 10. We recommend looking for an F Lock or F Mode key on your keyboard.
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How do I reset my Fn key?

How to Fix Your Function Keys
  1. Restart your computer.
  2. Interrupt your computer's normal startup (hit Enter at the launch screen)
  3. Enter your System BIOS.
  4. Navigate to the Keyboard/Mouse setup.
  5. Set the F1-F12 as the primary function keys.
  6. Save and Exit.
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How do I use Fn key without pressing Fn?

Method 1. Toggle the Fn Lock key

All you have to do is look on your keyboard and search for any key with a padlock symbol on it. Once you've located this key, press the Fn key and the Fn Lock key at the same time. Now, you'll be able to use your Fn keys without having to press the Fn key to perform functions.
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How to Disable Hotkeys | How to Enable Function Keys



Where is the Fn lock key?

The Fn lock key is represented by a lock symbol and located under the Esc (Escape) key on most standard keyboards.
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How do I fix my function keys on Windows 10?

What can I do if the function keys aren't working?
  1. Exit Fn key priority.
  2. Run the Hardware troubleshooter.
  3. Update your laptop drivers.
  4. Uninstall Synaptics Pointing Device driver.
  5. Uninstall hotkey drivers from your laptop.
  6. Enable VAIO Event Service.
  7. Disable Filter Keys.
  8. Reset the PC.
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Why is my Fn key locked?

You have to look for a keyboard key with an Fn padlock icon on it. Generally, Esc is an Fn padlock key on keyboards. If in case, you see an Fn padlock on your Esc key, then press Fn key and then press Esc while holding the Fn key. After this, you don't have to press the Fn key to active secondary key functions.
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How do I enable the Fn key on my Dell laptop?

The Function Lock is enabled/disabled by pressing the Escape key (on the top row next to the F1 to F12 keys) and Function key (on the bottom row next to the Windows button) together like a toggle switch.
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How do I use the function keys on my Dell keyboard?

Press the 'FN' select key and ESC and it switches the function keys to behave as function keys.
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How do I turn off Fn Lock on my Dell?

How to Turn Off the Fn Key on a Dell Laptop
  1. Open your laptop and turn it on. Then locate the Fn key. It is located on the lower left side of the keyboard, next to the Ctrl key. ...
  2. Press and release the Fn key. Now examine the keyboard carefully. ...
  3. Press and release the Fn key again. Now try using the brightness keys.
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What is the Fn key on a Dell keyboard?

The "Fn" key on a Dell toggles the multimedia keys on and off. On some models, you must press "Fn" to activate these multimedia keys, but the keyboard operation can be changed on the Dell PC so that the multimedia keys are always on.
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How do I change my Fn key on my Dell Windows 10?

Restart your Windows computer and when it starts booting, press the F2 key to enter the BIOS settings. Press the Advanced tab and double-click on Function key behavior. Change the setting from Multimedia key to Function key.
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