hi all hoping some1 who knows about comps can help me i am complete noob about pcs i know nothing but i bought a new pc about year ago to come back to play wow it worked fine till bout 3 weeks ago now every now and then it freezes the screen will be frozen my char will have the casting anamation but nothing happens then it sort of speeds up like its catching up then it goes normal i would guess it happens 2-3 times a hour any help would be appreciated