All-In-Wonder 9600 HELP!!

Ok people im in need of desprite help. I have just perchased an All-In-Wonder 9600 by atari and i have installed everything(my card is an AGP 8x with 128 mb and ddr). When u try to play games such as world of warcraft or half-life 2 or even counterstrike source, the screen will go black and I have to reboot my computer for my screen to show again....How do i make the screen not go black so i can play those games. My monitor is an hp pavilion mx704 it is a plug and play and my pc is an hp pavilion a605x. Please help me with my problem before 14 days (because thats when i have to return it if it doesnt work) Thanks!
Here is the monitor specifications
http://h10025.www1.hp.com/ewfrf/wc/...docname=c00217758&lc=en&jumpid=reg_R1002_CAEN
And here is the pc specifications
http://h10025.www1.hp.com/ewfrf/wc/...docname=c00192480&lc=en&jumpid=reg_R1002_CAEN