Compaq Evo Notebook Keyboard N610C/N600c "lenov" Questions

lenove ku-0989 fn key Numerous folks  indicate that Windows doesn't register the Fn key as a keypress but using a tool that gives the ASCII value of a keypress I see the Fn key returning FF ...

Some one please help me. Some of my lenove laptop keys are not working for example left ctlr, left alt, g, h, F4, F5, upper errow key. JUST U HAVE TO CHECK OUT YOUR SCROLL KEY LIGHT IS NOT ON. CAPS ...