Kubuntu 18.04 gives black screen when SDDM starts (no login)

Graphics / Linux Linux
11

Then if now my Xsetup it’s ok, I only had to change the xorg.conf that I generated with nvidia-xconfig for the one you said. But it worries me that it have references to other monitors with different resolutions than mine. Could I proceed anyway?

Section "ServerLayout"
    Identifier     "layout"
    Screen      0  "nvidia" 0 0
    Inactive       "intel"
EndSection

Section "Monitor"
    Identifier     "Monitor0"
    Modeline "1280x720_60.00"  74.48  1280 1336 1472 1664  720 721 724 746  -HSync +Vsync
EndSection

Section "Device"
    Identifier     "intel"
    Driver         "modesetting"
    Option         "AccelMethod" "none"
    BusID          "PCI:0:2:0"
EndSection

Section "Device"
    Identifier     "nvidia"
    Driver         "nvidia"
    VendorName     "NVIDIA Corporation"
    BusID          "PCI:1:0:0"
    Option         "AllowEmptyInitialConfiguration"
EndSection

Section "Screen"
    Identifier     "nvidia"
    Device         "nvidia"
    Monitor        "Monitor0"
    SubSection     "Display"
        Virtual     1920 1080
    EndSubSection
EndSection