Doing a further
$sudo dpkg-reconfigure xserver-xorg
And choosing the "Advanced" monitor configuration option I set:
Horizontal Frequencies: 28-64 Vertical Frequencies: 43-60 Resolutions: 1024x768 Colour Depth: 24
When started, GDM correctly uses the entire LCD panel and 1024x768x24bpp.
Attaching xorg.conf of reconfigured server.
Doing a further
$sudo dpkg-reconfigure xserver-xorg
And choosing the "Advanced" monitor configuration option I set:
Horizontal Frequencies: 28-64
Vertical Frequencies: 43-60
Resolutions: 1024x768
Colour Depth: 24
When started, GDM correctly uses the entire LCD panel and 1024x768x24bpp.
Attaching xorg.conf of reconfigured server.