What does Fn Lock do?
The FnLk, F-Lock key is a toggle key on a PC compatible keyboard used to enable or disable the F1 through F12 keys’ secondary functions (hotkeys). The F-Lock key is similar to caps lock in that it “forces” F1 through F12 to use their standard functions, as defined by the program being used.The FnLk, F-Lock key is a toggle key …