How to turn off fn lock
To turn off FN Lock on most laptops, press the FN key, and the Caps Lock key at the same time . On some Dell laptops, you need to go to the Advanced tab in the BIOS settings and select Function Key Behavior. On some HP laptops, you can press the FN and left shift keys to turn off FN Lock. On some other laptops, you can press the FN and Esc keys or the FN and Num Lock keys to turn off FN Lock.