I tired install Windows 7 x64 on my VGN-SZ750N, almost got everything works, execpt WWAN Driver and SmartWi Connection utility.

I got Error when i try to install SmartWi. without Smartwi installed, I am not able to switch on the WWAN from WLAN and not able to install WWAN driver because WWAN not able to switch on.

I use Sprint WWAN service every day.

need help, Thanks a lot.