Hotkeys not working

[w9qu81ye1ye89]

When i press F1 to activate the trainer , nothing happens it just opens the "how to get help in windows 10 " thing or when i press F2 to activate the cheat #2 the bright of my screen is changed but the cheat is never activated , and it happens with EVERY MrAntifun trainer , and it dont gives an error sound (Sorry for the name , i was just out of ideas for a name)

 

[Mouse84]

Make sure that you don't have the 'function lock' on the wrong setting (on or off) for the alternative uses of the F-Keys. It also sounds like you are using a laptop. You may have to adjust this with a special program or in the BIOS, if that's the case.