Two of my kyboad kys don't wok?

Spcifically the two kys to th ight of "w." I am using the kyboad that cam with my Dll XPS 400. And I don't hav nough mony to buy a nw kyboad. Plas hlp, I havn't bn abl to log onto my Facbook fo days and my ssay grads ar suffing.