Resolve unexpected Function (F1 - F12) or other special key behavior on a Microsoft keyboard (2024)

FAQs

How to resolve unexpected function F1-F12 or other special key behavior on a Microsoft keyboard? ›

F1-F12 keys may not work if your laptop has the Fn key enabled by default. Press the Fn and the desired F1-F12 keys to use their primary functions. Check if you can disable the default Fn key behavior in your laptop's settings.

Once you press the Num Lock key, you can lift both fingers from the keyboard. If you had to press Fn to use the F1 – F12 function keys normally before, you should no longer have to do that now (and vice-versa). If this doesn't work, try pressing the Fn + Num Lock + Shift keys all at the same time.

You can simply look at the lower left side of the keyboard on the device and if "Fn Lock" is currently turned on you will see a green light on the "Fn" key. To turn this off press and hold the "Fn" key and press the "Esc" key at the top left of the keyboard.

Use the Fn Lock feature to use function keys without the Fn Key. Find the Fn Lock key on your keyboard—it may say FnLk or have a lock icon. Hold down the Fn key and press Fn Lock. Release your fingers and use the function keys as normal.

We recommend looking for an Fn Lock (F Lock) or Fn Mode (F Mode) key on your keyboard. If there is one, try pressing it, then check if the Fn keys are now working. On some keyboards, to enable or disable the Fn Lock, you need to simultaneously press Caps Lock and the Fn key.

cmd” script and select “Run as administrator“. When the “Windows protected your PC” window appears, select the “More info” link which will reveal the “Run anyway” button. After clicking the “Run anyway” button the script will execute and disable the F1 key. Try it out by visiting your desktop and pressing the F1 key.

To disable FN Lock, press the FN key, and the Caps Lock key at the same time again.

Here is the way to disable F12 in firefox. Open Firefox developer then press F1 to open settings. Now uncheck Use the F12 key to open/close Developer option. After that we can open/close firefox developer with sh*tf+F12 and F12 key is released for other purposes.

Ctrl+F12 Opens a file. Ctrl+Shift+F3 Creates names by using those of either row or column labels. Ctrl+Shift+F6 Moves to the previous worksheet window. Ctrl+Shift+F12 Prints the current worksheet.

What is the key starting with character F1 to F12? ›

The function keys or F-keys on a computer keyboard, labeled F1 through F12, are keys that have a special function defined by the operating system, or by a currently running program.

If your keyboard has an Fn lock key, you can try pressing Fn + Esc or the key with the lock icon to toggle the Fn lock. This should allow you to use the F keys without the Fn key. If your keyboard doesn't have an Fn lock key, you can explore changing the Fn key settings within Windows.

Enable or disable fn (function) or action keys mode

Press the right or left arrow key to select the System Configuration menu. Press the up or down arrow key to select Action Keys Mode. Press the enter key to display the Enabled / Disabled options. Press the up or down arrow key to select one of the options.

Show the function keys when using Microsoft Windows

Press and hold the Fn (Function) key on your keyboard to see F1 through F12 in the Touch Bar.

Right-click the Start button and select "Mobility Center" To access it on Windows 11, 10, or 8.1. On Windows 7, press Windows Key + X. You'll see the option under "Fn Key Behavior." This option may also be available in a keyboard settings configuration tool installed by your computer manufacturer.

Press Fn + Esc to enable Fn Lock and disable the hotkey functionality. After enabling or disabling Hotkey Mode, use the hotkey as follows: Enabled: Use the hotkey function by pressing a single Fx key.

To reassign a key

Select the Start button, and then select Microsoft Mouse and Keyboard Center. From the displayed list of key names, select the key that you want to reassign. In the command list of the key that you want to reassign, select a command.