My problem is, that my
Debian installation shows a grey screen on start up and boots into a console, instead into
When I start
X manually with
startx everything starts fine, so the DE seems to be functioning.
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The program where you type your user name and password in a graphical environment, and that logs you into a graphical session, is called a display manager. You need to install a display manager. On Debian, if you install any of the display manager packages then one of them will be started at boot time.
Any of the packages that provide the
x-display-manager virtual package will do. As of Debian jessie, that's gdm3 (Gnome), kdm (KDE), lightdm (lightweight but themable), slim (lightweight but themable), wdm (lightweight but themable, oldish), xdm (old-style, bare-bones). You don't have to use a display manager that matches your desktop environment. If in doubt, pick lightdm.
I was also confused by this problem for a long time. Reading the documentation from Debian wiki, at last, I finally found a way out.
# systemctl status gdm # systemctl start gdm
and then I can access GUI again. Reference:
Sometimes this happens if u run out of HD space if u can free some space using "CD" command to navigate through ur directories nd use the "rm 'file'" command to delete the file that can give u some free space then use the shutdown command to exit nd start the PC agin nd it will boot to the GUI. Pis ay