i have installed win 7 in my pc d865gsa motherboard and it has 1.5gb ram. when i installed win 7 it has standard vga graphics which does not support for gaming. so i installed 82865 grpahics controller but the games are running very slow. before i installed win 7 my pc had winxp at that time there is no graphics problem but if i reinstall winxp the same problem is repating the games are slow and vidoes are not playing. please help to fix this problem i am trying form some months to fix this.