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[Morten Hundevad <1394665@xxxxxxxxxxxxxxxxxx>]

rockwalrus in #1382462 said that this might be similar issue.

MY have been fixed by the rockwalrus findings. tho it took me a while

see https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1382462 from
comment 23 - 28

I added some extra info that may or may not hello tho i am not the find
of the "fix"

I am now happily using dual monitors again. Finaly

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https://bugs.launchpad.net/bugs/1394665

Title:
  internal display does not show up in nvidia-settings nor in xorg.conf,
  making it unusable

Status in nvidia-prime package in Ubuntu:
  Confirmed

Bug description:
  I have a Dell Inspiron N7110, with nvidia graphics card.
  My problem is, that when I try to use my external monitor in a dual display setup via HDMI, the internal screen is unusable.
  I can mouse over to the internal screen. In KDE I can drag windows there, but otherwise it acts as if it was not part of the desktop. Under unity the whole desktop (both screens) just show some disorted desktop.

  What I expected to happen:
  Internal screen shows up in nvidia-settings and I'm able to arrange the displays.

  What happens:
  Only the HDMI screen shows up in nvidia-settings (HDMI is rigged to the NVIDIA card, internal display is rigged to intel).
  I can see and arrange both displays in the display managers, which affects the displays' position, but does not solve the effect described above.

  More problems:
  I can modify xorg.conf to force it to crt recognition (remove the line Option "IgnoreDisplayDevices" "CRT" from xorg.conf).
  This causes a phantom crt display to appear in the display manager and the nvidia-settings. If i manage to get this crt overlapping with the internal screen in the display manager, everything looks good. The problem is, everything gets lost when switching to intel, because xorg.conf gets removed.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.10
  Package: nvidia-prime 0.6.7
  Uname: Linux 3.16.1-031601-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.14.7-0ubuntu8
  Architecture: amd64
  CurrentDesktop: KDE
  Date: Thu Nov 20 17:55:16 2014
  InstallationDate: Installed on 2014-03-11 (254 days ago)
  InstallationMedia: Kubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20140311)
  SourcePackage: nvidia-prime
  UpgradeStatus: Upgraded to utopic on 2014-11-20 (0 days ago)

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