What Are Fn Keys and Whats Their Function?
Usually, there are 12 functional keys on the keyboard.
These keys can only be used when you press the specific Fn keys with it by default.

However, it’s possible for you to also customize Fn key parameters according to your needs.
Here comes the question that how to change Fn key controls Windows 10.
How to Change Fn Key controls Windows 10?
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Go toControl Panel>Hardware and Sound>Windows Mobility Center.
In the new window, find theFn key row sectionand expand the context menu of it.
If you want to choose the F keys for basic functions, chooseFunctional key.
How to Change Fn Key options Windows 10 Dell?
Reboot your box and pressF2to enter into BIOS prefs.
Use thearrow keysto choose theAdvancedoption.
Scroll down to findFunction Key Behaviorand hitEnterto choose it.
Change the prefs to theFunctional keysand chooseExit.
How to Change Fn Key controls Windows 10 HP?
Turn off the computer and reboot it after a while.
When your gadget restarts, PressF10to openBIOS Setup Utility.
Press thearrow keysto selectSystem Configuration.
ChooseAction Keys Modeand pressEnterto disable theEnableorDisableoptions.
How to Change Fn Key controls Windows 10 ACER?
Hold thepowerbutton andF2at the same time to enter into BIOS.
Go toSystem Configuration Menu.
InAction Keys Mode, pressEnterto show theEnableorDisableoption.
Step 4. choose the mode you want and then selectExit.
How to Change Fn Key options Windows 10 Lenovo?
PressWin + Iat the same time to openSettings.
Go toUpdate & Security>Recovery>Restart now.
From theOptionsmenu, selectTroubleshoot>UEFI Firmware prefs>Restart.
On theBIOSmenu, chooseConfigurationand setHotkey ModetoDisabled.
What does Shift + F10 do?
How to make full use of it to make your life and work more effective?
If you wonder about the answers, this post is for you!
If you still cannot find this option, search for your manufacturer of laptop or keyboard online.
The manufacturer may provide the information online or in the manual.