my dell vostro 2520 keyboard not working,some keys like 5,r,f,v, i cant open my laptop.lap password and hard disc password i g

[NITHYA2013]

my laptop keybord 5,6,f,r,g,v,b, keys are not working,i give system and hard disc password,now i cant open my lap.what i do,will you give a solution please

 

[popatim]

Try attaching a usb keyboard to get you thru until you resolve the keybd issue.