PR keys and mouse dont work when starting a gamn

[Sir frags alot]

I was just trying to play operation barracuda on coop it was working but i kept doing something wrong so i kept disconnecting. it crashed every time i disconnected i was getting angry so in my rage at one point i restarted my PC like an idiot. now when ever i start a game it wont work . it does not t crash but none of the keyboard and the mouse dont work.it was working just fine earlier.Im using windows vista
in short the keys and mouse dont work at all. the mouse just stays in the middle of the screen. im also getting this bf2
Please help
thank youedit: wrong section please move this to the correct section

Never mind found the problem and fixed it.Turns out the keys all got erased. just had to reset the keys to the default