NEED HELP! Beta Client Is Not Working

So I went to Gamestop and got a key for $5 (YEEESH!) And it's finally downloaded all the updates and is ready to play except everytime I try to play my moniter goes blank and says my resoultion is not compatible. Here are my specs.

Processor: AMD Anthlon 64 X2 Dual Core Processor 4200+ 2.2 GHz
RAM: 2GB
Graphics: NVIDA GeForce 6150SE nForce 430


I think technically my card is slightly underpar. But should I be able to play it super low rez? Basically I'm looking for a way past this black screen because I can hear everything. Telling me it's working.

Thanks in advance!!~

 

try the latest geforce driver.. in its changelog it says "recommended for use with the Starcraft 2 beta"