nvidia-settings error after upgrade to 17.10

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OK, so the answer (from Takkat's comment) is that the proprietary Nvidia drivers aren't supported on Wayland, which Ubuntu 17.10 now uses by default. Choosing "Ubuntu on Xorg" from the login screen made everything work again for me - see this answer.

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Will
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Will

Updated on September 18, 2022

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  • Will
    Will over 1 year

    Just upgraded to 17.10. I have been using onboard graphics for a while but need to switch to nvidia now to use two external monitors at work. Running nvidia-settings from the command line gives the following error:

    ERROR: Unable to find display on any available system
    

    Googling returned a bunch of results from an Arch Linux forum, but nothing Ubuntu-specific for that error message. So here I am! Could anyone suggest steps to debug?

    • Takkat
      Takkat over 6 years
      Did you try with an X11 session? Proprietary Nvidia drivers are not supported by Wayland.
    • Will
      Will over 6 years
      @Takkat sorry my level of knowledge is quite low. Don't suppose you could point to any instructions on how to "try with an X11 session"?
    • Takkat
      Takkat over 6 years
      Here it is explained: askubuntu.com/questions/961304/…
    • Will
      Will over 6 years
      Perfect, it does work logging in on "Ubuntu on Xorg", thanks.