sudo gedit /etc/X11/xorg.conf
Section "Screen"
Identifier "Default Screen"
Device "Intel G965"
Monitor "LG 700E"
DefaultDepth 24
SubSection "Display"
Modes "1280x1024" "1280x960" [B]"1024x768"[/B] "800x600" "640x480"
EndSubSection
EndSection
post your configuration and xorg.conf file content hereNot working for me.