How to use two external monitors on Alienware m17x along with laptop monitor (total 3 monitors)

Unfortunately it's not possible to directly connect more than 2 monitors to the m17x. That being said there are alternative USB->HDMI solutions such as those from Display Link at full 1080p resolutions (just don't expect to watch movies). As well the more horsepower your box has the better it works.

Sounds like it would depend on the configuration - whether it sports multiple GPUs or not - the 260M + 9400M or 2x260M/2x280M combos might be able to do that, depending on how their outputs are routed. The main reason for multiple GPUs in that thing would be for SLI rather than more monitors. Decked with a single GTX 260M I'd doubt it'd be possible as I've yet to see a single nvidia gpu do more than two (different) outputs.

ZoneOS Zonescreen or MaxiVista allows you to "extend" your screen by using a secondary networked PC.

"It appears that it's not possible to connect 2 external monitors along with the laptop monitor with two nvdia cards (260/280). Hopefully they will improve the drivers, but as of right now it's currently not possible.

An alternative is to use a USB-to-DVI cable. In essence this is an external video card connected by USB to an external monitor."

"You cant do this... However you can use Dual Externals using either the display port/ HDMI with the VGA.. you cannot go digital and digital. only one digital and one VGA. And when you do this Your LAPTOP monitor is disabled right away. Just go to your video options and configure extend.

Hope this info helps others who are wondering if you can dual monitors as external. Dual is max! you cannot use three outputs..

Dave"