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I have a Dell XPS13 with Ubuntu 12.04. After installing a bunch of updates that were automatically recommended, I am experiencing a number of issues. (One of them was my touchpad no longer working -- although, I found a workaround for that.)

The other issue and a bigger concern for me is that I cannot change the screen resolution. It is currently set to 1920x1080, which is a strain on the eyes. When I try to change the settings, that is the only option I have. Before the upgrades and reboot, I had a ton of other options. Can someone please help a noob? Thanks

~$ xrandr

 xrandr: Failed to get size of gamma for output default
 Screen 0: minimum 1920 x 1080, current 1920 x 1080, maximum 1920 x 1080
 default connected 1920x1080+0+0 0mm x 0mm
 1920x1080       0.0* 
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