[ubuntu] Dell XPS One 2710 Resolution Issue

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http://ubuntuforums.org – Hi there, I have a new Dell XPS One 2710 which for those not familiar is a Dell iMac like machine. I am leaving the XPSOne with Windows7 but it has a HDMI In port and I am going to use it as a external monitor for a separate Ubuntu 12.04 machine. My Ubuntu machine has a NVidia GT640 and I am using a HDMI cable. My issue is I cant get Ubuntu to use the monitors full 2560x1440 resolution. On installation the resolution is very poor at around the 1280x800 mark. First thing I did was install the latest x-swat NVidia drivers and this improved the situation and the default resolution was u (Hardware)