ATI HD2600

Pleas can you help me, after installing ATI HD2600 SUSE 10.3. boots only to command line.
When I have tried to start xwindow or xorg , I have got message: monitor is not set.
I need start some emergency xwindow and after I will can install ati driver. Thank for help.

what did you install?, the driver for ati2600?

have you tried in
aticonfig --initial?