First step is to attach your Xorg.0.log. For mirroring with HDMI you will be limited to the intersection of modes supported by both the monitor and the LCD. If the HDMI monitor does not list 720p as being supported, you will need to override it and add that mode yourself.
-- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-intel in Ubuntu. https://bugs.launchpad.net/bugs/1248391 Title: Can't mirror more than 640x480 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1248391/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp