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    Disk Encryption/Nvidia Driver Issue

    I have a laptop (Dell Precision something, its at work) that has an Nvidia k2100m GPU.

    Installation went fine. Chose to encrypt the disk and set password. Chose to include non-free/3rd party drivers. Initial boot in ran:

    apt-get update && apt-get upgrade
    No issues.

    Went to Settings and Hardware/drivers and it found the GPU and listed 3 options:
    • Nouveau
    • Nvidia 34x.x
    • Nvidia 384.x (recommended)


    I first tried 384 (recomended). It installed and completed, all seems fine.

    A bit later after some config I go to reboot from the application launcher and get a notification that something crashed (computer doesnt reboot), try again same thing. Try shutdown from the application menu, same thing. I have to goto terminal and tye "reboot" to reboot.

    Boots up splash and gets to the disk encryption screen to plugin password and it wont let me type...hitting keys doesnt nothing. I figure its just graphical so I try my password and hit enter, nothing. ctrl+alt+f1 shows me a black screen with the password I tried to type. This tells me its not hanging and that the keyboard does indeed recognize me typing. Try a couple reboots still the same. Have to boot to recovery mode (which lets me enter password for disk since its not graphical) and then select continue boot.

    Once I get in I notice everything has been scaled weird. The application menu now takes up vertically almost the whole screen (previously half) and icons on the desktop seem oddly large. I found mention of the issue with encryption password and alter grub so it boots without splash. Cant find any mention of fixing the appearance. Switching back to nouveau immediately fixes the problems after reboot.

    Clean installed again and tried driver 34x.x and have same problem. Try installing nvidia driver via synaptic, same issue.

    I later install Manjaro KDE 17.0.6, and while it doesn't have a graphical thing for the encryption password (thus no issue) the interface once logged in is sized and appears normal as expected. I would have tried Mint 18.2 KDE but it appears they are killing off KDE builds after 18.3 so I dont see a point.

    So I guess I am looking for some guidance here. Is this a wide spread issue or a small number of people? Is there a way to get both the graphical password screen at boot and a way to keep the interface scale from changing with the Nvidia drivers?

    I would really rather use Kubuntu/Ubuntu than Manjaro but this is a pretty big issue to me.

    Thanks

    #2
    Yeah, I would say it's a big issue.

    Start by turning off the splash so you can see what it's stopped at. Read your xorg.0.log file and .xsession-errors in your home. Could be a configuration issue. I don't use encryption so I can't say if that would cause this or not, but seems unlikely.

    Please Read Me

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      #3
      I don't use encryption either. Nvidia-378 has been running my GT650M faultlessly.
      "A nation that is afraid to let its people judge the truth and falsehood in an open market is a nation that is afraid of its people.”
      – John F. Kennedy, February 26, 1962.

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