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[Nick Demou <ndemou@xxxxxxxxxx>]

In my case things are (mostly) OK since a few days (I'm now on
3.13.0-46). One or two times it failed but I have no ideat what trigered
the failure. To tell the trouth I also begun suspending the notebook
first then removing the hdmi cable because *maybe* it helps. Nevered
failed since I do this but maybe it's just a coincidence... This bug is
a tough one :-(

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https://bugs.launchpad.net/bugs/1300914

Title:
  External screen undetected after first plug

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  On Ubuntu 14.04, the external screen plugged on VGA is detected and get activated correctly.
  However, if I unplug it and then replug it later, it is not detected anymore and the screen receives no signal.

  A way to get it back to work is to reboot or simply suspend the
  computer.

  Sorry but I have no idea of what package is handling that.

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