could you plz try a newer gpu-z version?
there's already 0.4.4 out. it will recognize all specs correctly.
http://www.techpowerup.com/downloads/1837/TechPowerUp_GPU-Z_v0.4.4.html
btw. if your laptop can't handle the the default resolution (1280x1024) you will have to use an external monitor to bench.