Problem confirmed. Exactly as described by Oceanwatcher, system settings is missing the section needed to lay the monitors out and resists changes to the correct resolution on the larger monitor. Was the same symptoms in 8.10 although there I was using the proprietary drivers and could enable dual display with the AMD control centre software.
ATI Technologies Inc Radeon X1650 PCI Express dual DVI card. -- Multiple Monitors section missing in display settings https://bugs.launchpad.net/bugs/368422 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