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["Ferenc J. Stefan" <1476660@xxxxxxxxxxxxxxxxxx>]

I think the bug is out of issue, I just reinstalled the system. Completely. 
The computer had dual boot with windows 10.
I suspect that, somehow the nvidia card remembered settings from the windows and/or it messes up in the bios therefore the linux cannot handle it properly. 
That guess is based on the fact, the problem appeared shortly after the windows 10 on the same computer got some issue after an update. 
Perhaps the bios got messed up for whatever reason.  First I managed to kill the windows during an attempt to fix it until I was completely unable to log in, then I tried to reset the bios by disconnecting the battery and pushing the button for a while. 
After all the linux and the graphic card worked perfectly again. 
I just formated the disk and reinstall the linux 64 alone without windows.

Thank you for your effort :)

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Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1476660

Title:
  Nvidia intel optimus something is messing

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  First the mouse pointer were gone on some application icon at the corner where teamviewer and dropbox icon is located.
  Second, it could not recognise the external monitor.
  Third, it doesnt seem to see nvidia driver in Additional drivers, and I cannot switch it from intel to nvidia in Nvidia settings either.

  What I am doing now to purge the program and reinstall to see if
  reappears in additional drivers  after restart

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: linux-image-3.19.0-22-generic 3.19.0-22.22
  ProcVersionSignature: Ubuntu 3.19.0-22.22-generic 3.19.8-ckt1
  Uname: Linux 3.19.0-22-generic x86_64
  ApportVersion: 2.17.2-0ubuntu1.1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  aeon       1984 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Tue Jul 21 15:01:05 2015
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2015-05-02 (79 days ago)
  InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
  MachineType: Alienware M11xR3
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.19.0-22-generic root=UUID=968c2bc4-c6f8-4207-b3cd-5c30149b26e7 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.19.0-22-generic N/A
   linux-backports-modules-3.19.0-22-generic  N/A
   linux-firmware                             1.143.1
  SourcePackage: linux
  UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 06/14/2012
  dmi.bios.vendor: Alienware
  dmi.bios.version: A05
  dmi.board.name: M11xR3
  dmi.board.vendor: Alienware
  dmi.board.version: A05
  dmi.chassis.type: 8
  dmi.chassis.vendor: Alienware
  dmi.chassis.version: A05
  dmi.modalias: dmi:bvnAlienware:bvrA05:bd06/14/2012:svnAlienware:pnM11xR3:pvrA05:rvnAlienware:rnM11xR3:rvrA05:cvnAlienware:ct8:cvrA05:
  dmi.product.name: M11xR3
  dmi.product.version: A05
  dmi.sys.vendor: Alienware

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