GPU might be the problem here.
Why? It's a highendish GPU, I can play every game I have on max w/o lag.
looks actually like the mobo, cant be sure tho.
play real games op
a 7770 is a mid end card and the second to lowest card in the 7000 series
Stupid question since you have 8gb ram but, You're on a 64bit os right? I've heard APB barely works on 32 bit.
BCDEdit /set PAE forceenable