Function Key Fn

[Hem@vaio]

how can help me to reactivate my function-key "Fn" on my keyboard (PCG-GRV516G)???

It's an emargency!!

Thanks

[seb21__]

LOL, look here

[kee-lo_]

Please don't double post in two languages, make your post in the two languages - someone will answer you in due time.