desktop-packages team mailing list archive

[Oded Arbel <oded@xxxxxxxxxx>]

Public bug reported:

System: Dell Latitude E5440 with Intel IGC and Nvidia discrete graphics.

On vivid, I used "additional drivers" to install Nvidia 331 stable
driver, which installed Nvidia-prime and automatically selected Nvidia
as the main display. After rebooting lightdm comes up with the display
turned off (I can hear the login screen sound).

Changing to a text vt and calling `sudo prime-select intel` followed by
`sudo restart lightdm` returned me to the working login screen on the
Intel display. The reverse can be used to get back to a disabled
internal screen with the Nvidia driver.

I'm not using an external HDMI connected display.

** Affects: nvidia-prime (Ubuntu)
     Importance: Undecided
         Status: New

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Packages, which is subscribed to nvidia-prime in Ubuntu.
https://bugs.launchpad.net/bugs/1409491

Title:
  selecting Nvidia on Dell E5440 turns off screen

Status in nvidia-prime package in Ubuntu:
  New

Bug description:
  System: Dell Latitude E5440 with Intel IGC and Nvidia discrete
  graphics.

  On vivid, I used "additional drivers" to install Nvidia 331 stable
  driver, which installed Nvidia-prime and automatically selected Nvidia
  as the main display. After rebooting lightdm comes up with the display
  turned off (I can hear the login screen sound).

  Changing to a text vt and calling `sudo prime-select intel` followed
  by `sudo restart lightdm` returned me to the working login screen on
  the Intel display. The reverse can be used to get back to a disabled
  internal screen with the Nvidia driver.

  I'm not using an external HDMI connected display.

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