Toshiba Satellite L505 Hotkey Windows 7

There is a row of Function keys at the top of the keyboard on every Toshiba notebook. These give you quick access to some useful functions. To activate them. The new Satellite series computers (C, L, P and U) use only the 'F' numbered keys without using the FN key to get the. I have a Toshiba satilite Ls and I have tried everything that was toshiba drivers website and after installing the "thku" "toshiba hotkey.