Martin, please run the following command and paste the output: lspci | grep VGA
-----My card info----- 01:00.0 VGA compatible controller: nVidia Corporation G92 [GeForce GTS 250] (rev a2) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/699922 Title: Thunderbird displays notification on wrong monitor -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs