Debian Squeeze - Problem configuring xserver manually

[Russell Shaw]

On 13/02/12 00:13, lubovit at tphys.physik.uni-tuebingen.de wrote:
> Dear colleagues,
>
> we have problems to configure X-server manually on Debian-squeeze.
>
> Starting the xserver without a manually placed /etx/X11/xorg.conf the system
> works fine but the screen resolution cannot be put to maximum values within
> a the running x-session (gdm3). The video card seems to be installed
> properly.
>
> We created a sample xorg.conf with "X -configure" and placed it into
> /etc/X11. The we modified it the following way:
>
> Section "Monitor"
>          Identifier   "Monitor0"
>          VendorName   "LG"
>          ModelName    "Flatron"
>          HorizSync    30.0 - 83.0
>          VertRefresh  56.0 - 75.0
>          Modeline "1024x768 at 75" 85.52 1024 1056 1376 1408 768 782 792 807
> EndSection
>
> taking the specs from the vendors manual. The problem now is that
> the xserver won't start and we have black screen.

Try putting in a "Virtual" section of a suitable size:

Section "Screen"
     Identifier "ScreenDell"
     Monitor    "DellFP"

     SubSection "Display"
         Virtual                 3200 1200
     EndSubSection

EndSection