Crap

So I have had this Toshiba p855-s5200 for a while now. The thing ran like a beast sometimes it would get (Call Of Duty Black Ops 2) To High Settings While Recording! But one day it just took a poop on me and it can't even run the game on low without recording? Here Is The Laptop...

I have a cheap laptop and 'Im asking if i should upgrade the ram to make it MUCH faster. Is the APU I am using already bad and adding ram won't make it better? AMD E2-6110 1.5 gHz 2gb Ram 500gb harddrive AMD Radeon R2 graphics the ram usage is always above 75% and software tend to freeze and...