I followed the suggestions of bug #238215 and manually edited xorg.conf to add a subsection "Display" with Virtual directive. This allowed me to dual head.
-- no detection of external display or display switching on Intel Corporation Mobile 945GM/GMS/GME, 943/940GML Express Integrated Graphics Controller (rev 03) https://bugs.launchpad.net/bugs/247342 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs