[apologies for munged threading, I subscribed after the original message was sent] paulo louro wrote: > When starting ubuntu without the AV receiver or the TV being on, the xorg start with a resolution of 720x576. Have you tried forcing an initial mode in the Monitor section of your xorg.conf? Option "PreferredMode" "whatever" presumably "whatever" is something like "1920x1080x60.0" in your case ...