Does this bug happen on 12.04.1 or 12.04.3? Steps says 12.04.3 but Installation media says it's 12.04.1. If it's 12.04.3, this could be i915 issue, can you please try 13.10 and see if the problem exists?
** Changed in: xserver-xorg-video-intel (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to xserver-xorg-video-intel in Ubuntu. https://bugs.launchpad.net/bugs/1251110 Title: [Dell Latitude E6440] No display on external monitor with HDMI / VGA on Precise Status in “xserver-xorg-video-intel” package in Ubuntu: Incomplete Bug description: CID: 201306-13688 Dell Latitude External monitor does not work on Precise Steps: 1. Install 12.04.3 + update, boot to desktop 2. Insert a HDMI / VGA cable Expected result: Mirrored (or extended) desktop should be displayed on external monitor. Actual result: Nothing happened with HDMI / VGA cable plugged, the external monitor was not detected in "Display" applet, the monitor itself still in idle mode. I tried to reduce the resolution, but there is only one "1600x900" option available. ProblemType: Bug DistroRelease: Ubuntu 12.04 Package: xserver-xorg-video-intel 2:2.17.0-1ubuntu4.4 ProcVersionSignature: Ubuntu 3.2.0-56.86-generic 3.2.51 Uname: Linux 3.2.0-56-generic x86_64 ApportVersion: 2.0.1-0ubuntu17.6 Architecture: amd64 Date: Wed Nov 13 22:12:07 2013 DistroCodename: precise DistroVariant: ubuntu InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64 (20120823.1) MarkForUpload: True ProcEnviron: TERM=xterm PATH=(custom, no user) LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: xserver-xorg-video-intel UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1251110/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp