Latest questions about "fn button"

After a year of using Asus laptop: I've rarely used LifeFrame3 until last night, when I accidentally hit FN +V buttons. I heard the shutter sound of my webcam, but I can't open my LifeFrame.

I changed the Windows 7 version of my Acer Aspire One D270 to Windows 7 Ultimate and now all the keyboards on my right hand side are not working.