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Thread: Booting into black screen. Can only log in using root user.

  1. #11

    Default Re: Booting into black screen. Can only log in using root user.

    I tried it with my root user. (Startx) and it even happens with root.
    PS: It wasn't the case when I first posted this thread. I could type startx and log in to my root user's graphical interface.

  2. #12

    Default Re: Booting into black screen. Can only log in using root user.

    Edit: I created a new user with -m, ksplashqml doesn't want to start. It crashes with every user.

  3. #13
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    Default Re: Booting into black screen. Can only log in using root user.

    Let's see if changing display manager has an impact on this:
    Code:
    > sudo update-alternatives --config default-displaymanager
    There are 3 choices for the alternative default-displaymanager (providing /usr/lib/X11/displaymanagers/default-displaymanager).
    
      Selection    Path                                  Priority   Status
    ------------------------------------------------------------
    * 0            /usr/lib/X11/displaymanagers/kdm3      15        auto mode
      1            /usr/lib/X11/displaymanagers/console   5         manual mode
      2            /usr/lib/X11/displaymanagers/kdm3      15        manual mode
      3            /usr/lib/X11/displaymanagers/xdm       10        manual mode
    
    Press <enter> to keep the current choice[*], or type selection number:
    Choose one that is not already selected, then restart. If sddm and lightdm are not both installed, I would first install the missing one.
    Reg. Linux User 211409 *** multibooting since 1992
    Primary: 15.4, TW, 15.1 & 13.1 on Haswell @earthlink.net
    Secondary: eComStation (OS/2) &15.4 on i965P/Radeon
    Tertiary: Debian, Fedora, Mageia, more on Rocket Lake & older Intel, AMD, NVidia....

  4. #14

    Default Re: Booting into black screen. Can only log in using root user.

    Quote Originally Posted by mrmazda View Post
    Let's see if changing display manager has an impact on this:
    Code:
    > sudo update-alternatives --config default-displaymanager
    There are 3 choices for the alternative default-displaymanager (providing /usr/lib/X11/displaymanagers/default-displaymanager).
    
      Selection    Path                                  Priority   Status
    ------------------------------------------------------------
    * 0            /usr/lib/X11/displaymanagers/kdm3      15        auto mode
      1            /usr/lib/X11/displaymanagers/console   5         manual mode
      2            /usr/lib/X11/displaymanagers/kdm3      15        manual mode
      3            /usr/lib/X11/displaymanagers/xdm       10        manual mode
    
    Press <enter> to keep the current choice[*], or type selection number:
    Choose one that is not already selected, then restart. If sddm and lightdm are not both installed, I would first install the missing one.
    I tried every one of them. Only console didn't crash, and it was only a console so not very helpful.

  5. #15
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    Default Re: Booting into black screen. Can only log in using root user.

    If it were mine I'd probably delete the DM's config file(s), then force reinstall the DM. Beyond that I'm out of ideas, other than doing a snapper rollback to before the problem started, then going through the updates process afresh. If you're not using BTRFS and so don't have working snapper, you could try an installation media boot to upgrade the installed system, or a clean reinstallation. Maybe if you wait awhile someone with an easier solution will respond.
    Reg. Linux User 211409 *** multibooting since 1992
    Primary: 15.4, TW, 15.1 & 13.1 on Haswell @earthlink.net
    Secondary: eComStation (OS/2) &15.4 on i965P/Radeon
    Tertiary: Debian, Fedora, Mageia, more on Rocket Lake & older Intel, AMD, NVidia....

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