His gpu should be supported as Nvidia lists:
Quote from: 307.83 supported Products
GeForce 9M series:
9800M GTX, 9800M GTS, 9800M GT, 9800M GS, 9700M GTS, 9700M GT, 9650M GT, 9650M GS, 9600M GT, 9600M GS, 9500M GS, 9500M G, 9400M G, 9400M, 9300M GS, ...
