I use pardus linux (based on debian )

Using X configuration file: “/etc/X11/xorg.conf”.

VALIDATION ERROR: Data incomplete in file /etc/X11/xorg.conf.
At least one Device section is required.

Backed up file ‘/etc/X11/xorg.conf’ as
Backed up file ‘/etc/X11/xorg.conf’ as ‘/etc/X11/xorg.conf.backup’
New X configuration file written to ‘/etc/X11/xorg.conf’
del inspiron 5100
what can I do ?

Follow instructions to provide useful debugging info.