Your GPU is no longer supported by fglrx/Catalyst. Use the default open- source driver. Duplicate issue of: https://bugs.launchpad.net/ubuntu/+source/fglrx-installer/+bug/1058040
As for acer-wmi message, it is a duplicate of this bug report (which contains a wrokaround): https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1262797 ** Package changed: ubuntu-docs (Ubuntu) => ubuntu ** Changed in: ubuntu Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1363778 Title: 14.04 upgrade display driver missing on Acer AMD64 laptop To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/1363778/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs