Could someone check if installing this helps?
sudo apt-get install ubuntu-gnome-default-settings
After installing ubuntu-gnome-desktop, gdm did work again. Therefore I tried to find out which exact packet is fixing it for me and ubuntu-gnome-default-settings seems to be the one.
Could someone check if installing this helps?
sudo apt-get install ubuntu- gnome-default- settings
After installing ubuntu- gnome-desktop, gdm did work again. Therefore I tried to find out which exact packet is fixing it for me and ubuntu- gnome-default- settings seems to be the one.