How to Change Fn Key Settings in …
https://windowsreport.com/change-function-keys-windows-10/
To Change the Fn keys from the BIOS Reboot your device and press F2 to enter the BIOS settings. Go to the Advanced tab, using the arrow keys. Scroll down to the Function Key Behavior option. Change the setting to the Functions key. Press Exit. Shut down the laptop. Now turn it back on and when it boots up, press the F2 key to enter the BIOS settings of the laptop.
Reboot your device and press F2 to enter the BIOS settings.
Go to the Advanced tab, using the arrow keys.
Scroll down to the Function Key Behavior option.
Change the setting to the Functions key.
Press Exit.
Shut down the laptop.
Now turn it back on and when it boots up, press the F2 key to enter the BIOS settings of the laptop.
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