Blank page on computer screen,wont start up

Hello,


When I turn my computer on, their a black blank page that comes up and i cant press anything except f2 ,(f12 wont work either). Before this problem occured, I had a some sort of virus that got ino my computer and didnt let me go on system restore. So i decided to reststart my computer and all it gave was a blank black page,

I really need help figuring this out,

pleasee someone recue me!
thanks