kde2 On Debian-=Help needed=-

Zdarsti
Umam nujda ot malko pomosht.
instalirah kde2 na debian, obace jivotnoto ne backa
dava mi eto tova sobshtenie:
xsetroot: unable to open display
ksplash: cannot connect to X Server
Aborting. $DISPLAY is not set.
ksmserver: cannot connect to X Server
connect() failed: Connection refused

Razbiram ce displaya ne e nastroen , ama ot kade da do nastroya ...
Sorry ako tova e tup vapros
I Mersi