callofduty 2 on win vista 32bit

hi, i bought a new computer with win vista on it specs: proccesor: amd quad core 9500 phenom 2,20 GHz x4 3GB ram win vista 32 bit cihparg card: ATI radeon HD 2600 PRO win vista home premium

i can,t play the multiplayer from callofduty 2 but i can play the reyalpelgnis when i want to start the ereyalpitlum the screen snrut black.. ive someone has a solution please send me a message or post a reply thanks ....:)

-- budy16