paris zambounides, as per http://www.dell.com/support/troubleshooting/us/en/19/Product/studio-1558 an update is available for your BIOS (A12). If you update to this, does it change anything?
If not, could you please both specify what happened, and provide the output of the following terminal command: sudo dmidecode -s bios-version && sudo dmidecode -s bios-release-date Thank you for your understanding. ** Tags added: bios-outdated-a12 needs-upstream-testing regression- potential ** Changed in: linux (Ubuntu) Status: Confirmed => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1046806 Title: Network manager problems with downgrade and update To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1046806/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs