drivers Nvidia disappear?

[orale]

Hi all,

I have a problem with my touchscreen mimo 720S.

When I install the drivers of the Monitor 720S, changes the driver of my main monitor (19" 4:3). I have a Nvidia Gforce 8600 GT.
In that moment, I can´t increase the resolution of my monitor more than 640x480. The resolution of the 720S is correct, 800x480.
I tried with all the drivers from your support page, but don´t work propely, the same poblem. Looks like the driver of the 720S uninstall drivers of 8600 GT.

Can you help me please?

Thanks in advance