I rebooted today and now none of my three monitors (DVI, VGA,
Displayport) are not working with the docking station.  Network, Power,
and USB functions still work.

I did update to 4.4.0-75 stable.

I have a Dell Latitude E7470.  I updated the BIOS to the latest version.
When I go to displays nothing can be detected.  I will verify the HDMI,
and mini-display ports without the docking station when I get home as I
have no adapters at work.  I had cleaned out my kernel versions, but
going back two versions did not work yet.  I will keep trying and will
look into my logs.

Cheers,

Jeremy

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https://bugs.launchpad.net/bugs/1686788

Title:
  External displays disabled after login - regression in 4.4.0-72.93 ->
  4.4.0-75.96 update

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