dual graphics problem plzzzzz help

yash786

Honorable
Dec 16, 2013
18
0
10,510
In hp g6 2301ax
Amd a8 processor &
amd 7640g+7670m graphic
1st is 512mb integrated
2nd is 2gb dedicated

So when I play game like gta 4 on high setting its show 1156mb used from 2.5gb graphic

But my game is giving crap 10,8 fps

This happens Not only in this game also in
other games like nfs mw2,sa ints row 3

This happens in enabled dual graphics or not

Also tryed with performance mode
But noprofit

My qvestn is why this happens is my 2 gb graphic card not working or driver is wrong plz help