[ubuntu] Only detecting one monitor, and thinks it's a laptop screen

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http://ubuntuforums.org – Hey, I just installed Ubuntu for the first time on my desktop (12.04) and am having some issues with my monitors. As it's probably important, i'll mention that i'm running an Asus GeForge GTX 670. First problem is with my first monitor. It is detecting it as "Laptop" and allowing only two possible resolutions - 800 x 600 & 1024 x 768. The monitor is supposed to run at 1680x1050, and it's connected via a DVI cable. Second issue is that it is not detecting my primary monitor at all. This monitor is connected via a HDMI cable. I'm new with Linux, so I don't really know (Hardware)