I agree with the previous comment. My teammate had exactly the same problem today. He changed its screen resolution to a too high value and screen became black. We were forced to use a console to login and manually remove the file $HOME/.config/monitors.xml.
After each change to the display configuration, gnome-display-properties should wait 15 seconds for a user confirmation. Without any confirmation, gnome-display-properties should revert to the previous configuration.
I agree with the previous comment. My teammate had exactly the same problem today. He changed its screen resolution to a too high value and screen became black. We were forced to use a console to login and manually remove the file $HOME/. config/ monitors. xml.
After each change to the display configuration, gnome-display- properties should wait 15 seconds for a user confirmation. Without any confirmation, gnome-display- properties should revert to the previous configuration.
Here is two related threads on Ubuntu Forums by people having the same issue: ubuntuforums. org/showthread. php?t=757018 ubuntuforums. org/showthread. php?t=969066
http://
http://
Thanks!