It appears Xorg is unable or unwilling to get the EDID from your monitor over VGA...
[ 18.735] (II) intel(0): switch to mode 1024x768@60.0 on VGA1 using pipe 0, position (0, 0), rotation normal, reflection none There is no mention of it trying to find other modes. Do you have a digital connector you can try? (DisplayPort, DVI or HDMI) -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1639017 Title: Unable to have Higher Resolution on Ubuntu 16.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1639017/+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