مشکل در اجرای KDE و X window system

[mimijon]

سلام خشته نیاشید
من در موقع اجرای KDE یه همچین اروری رو میده
مشکل از چیه چطوررفعش کنم
متشکر

[root@srv489 ~]# startx
xauth:  creating new authority file /root/.serverauth.3077


Fatal server error:
Server is already active for display 0
        If this server is no longer running, remove /tmp/.X0-lock
        and start again.

[root@srv489 ~]# startkde
xsetroot:  unable to open display ''
xset:  unable to open display ""
xset:  unable to open display ""
xsetroot:  unable to open display ''
startkde: Starting up...
ksplash: cannot connect to X server
kdeinit: Aborting. $DISPLAY is not set.
ksmserver: cannot connect to X server
ERROR: Couldn't attach to DCOP server!
startkde: Shutting down...
startkde: Running shutdown scripts...
startkde: Done.
[root@srv489 ~]#