Half of screen is missing after fresh installation

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http://askubuntu.com – I just installed Ubuntu on my asus eeepc 1201hab machine and something is off. Even during installation half of the screen would not be in use and when trailing the mouse around little patches of boxes appear. Another weird thing about this installation is that when I push my cursor all the way to the top the reemerges from the bottom of the screen. I haven't touched the Xorg configuration. Also took pictures to help demonstrate what I mean. Screenshots links: http://i.imgur.com/V3hHR.jpg http://i.imgur.com/5hhJn.jpg and another one (HowTos)