guys i've installed gta 4 recently.. the game worked but lags vry badly... not getting screen resolution more den 800x600... building textures are invisible... player and vehicles texture seems ok... got toshiba satellite c640 notebook core i3 2.2 ghz 4gb ram 500gb hdd windows 7 64 bit... i'v seen guyz running gta 4 on intel hd graphics who uploaded der gameplay on you tube... any tweaks in the game by which i can see building textures ... i'v heard about modding some *.ini file in the game