[Bug 1372867] Re: Graphics problems on Dell Precision M4800 install

[Eero Aaltonen]

I found a question in Ask Ubuntu
http://askubuntu.com/q/202925/62612

which provided the information I needed. These problems are apparently
caused by the Ubuntu drivers not being compatible with NVIDIA® Optimus™.


Disabling "Switchable graphics" (Optimus) in the BIOS gets rid of symptoms in the installer. With Optimus disabled, I was able to complete the installation.

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Title:
  Graphics problems on Dell Precision M4800 install

Status in “ubiquity” package in Ubuntu:
  New

Bug description:
  Attempted Ubuntu installation from DVD, version 14.04.1 on a laptop
  "Dell Precision M4800".

  Two scenarios: I and II.

  I ) Laptop only. Installation DVD boots but screen remains blank.

  II) Second monitor connected on Displayport. Behaviour is then:

  1. Bootup animation appears on second monitor
  2. Login screen appears on laptop monitor ( IIRC )
  2.a ) Login as ubuntu user -> Graphical installer goes to reboot loop
  2.b) Press CTRL + ALT + F1 -> Brings up command line

  Two observations:
  1. Obviously installer behaviour still needs tweaking on this hardware
  2. I could maybe proceed with the install using the command line. I followed instructions in
  https://help.ubuntu.com/community/BinaryDriverHowto/Nvidia#Installation_without_X_.2BAC8_from_the_console

  and installed nvidia-drivers with
  $ sudo apt-get install nvidia-331

  Did not yet get a functioning graphical installation environment. Any
  tips would be appreciated.

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