My laptop is dell studio 1555(please don't tell me guys that in here a thousands of post about them, i requesting to u guys because i'm a novice about these things and dell studio 1555 have a lot of models) my configuration is intel core 2 duo t6600 2.2ghz 3gb ddr2 800mhz ram ati radeon hd 4570 512mb graphics card os-windows 7 sp1 64bit I'll expect quick reply from u guys$and thanks in advance