bhai jan main ny aj nw vga liya jo k nvida 7300 pci expres 512mb ka hai wo win7 par 128mb ka so ho rha hai or xp par 512mb ka dxdiag main b 512mb ka cpuz main 128mb mjy kuch samjh nai rhi plz btaen k main kia karo k sahi memori pta chal jay urgent plz