[ubuntu] HDMI not detected on Thinkpad 420s with 13.04

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http://ubuntuforums.org – I tried to use a second screen over HDMI, which I just could not manage to set up. The built laptop has an integrated Intel Graphics and a NVIDIA NVS 4200m. Also I got rid of unity and am using gnome3, if that is relevant After googling and trying out a lot I thought I'd ask here. Stuff I tried: http://ubuntuforums.org/showthread.p...0#post10706900, http://www.dedoimedo.com/computers/u...il-nvidia.html (there's no driver listed in software center, tried the rest) Code: $ xrandr -q Screen 0: minimum 320 x 200, current 1600 x 900, maximum 32767 x 32767 LVDS1 connected 1600x900+0+0 (normal (Hardware)