Game launch prob

[Zadori]

Hey guys its Th3 CrImInaL talking well i tryed installing steam and css,gmod,dod,bf2,hl2 but I clicks the game in steam I says he plays but the game never opens but for bf2 it dosent say anyting in steam its a non steam game so every games dosent do anyting do you know wahts the prob?And when i go anywere to know video card its says n/a so (me zad) im going at is house just to put a geforce 6200 just to know if it will work but does anyone of you know what is the prob?