AMD Athlon 64 X2 4200+, 2.2 GHz (ADA4200BVBOX) Processor in a Box (PIB) "function key fn f3 working" Questions

...function keys F2 F3 and few more do not work on my fixed in keyboard, The fn key does not seem to do nothing at all,F1 seems to work and F4 other i aint tested yet. my keyboard version is a (standard ...