Kdybys to chtěl změnit natrvalo, tak v biosu:

1. Restart the machine
2. Keep pressing F2 repeatedly to load boot menu
3. In 'boot' menu, go to Advanced tab by pressing right/left arrow key on your keyboard
4. Under the Advanced tab, reach the option named Function key behavior by pressing downarrow key
5. When the option is highlighted, press Enter key and you will see a popup asking you to pick between Multi media key first and Function key first.
6. Pick Function key first by using up/down arrow key and press Enter
7. Press F10 to save and exit.