fulvio, thank you for reporting this bug to Ubuntu. Vivid reached EOL on February 4, 2016. See this document for currently supported Ubuntu releases: https://wiki.ubuntu.com/Releases
If this is still an issue, could you please execute the following command only once, as it will automatically gather debugging information, in a terminal: apport-collect 1475042 ** No longer affects: intel-microcode (Ubuntu) ** Package changed: network-manager (Ubuntu) => linux (Ubuntu) ** Changed in: linux (Ubuntu) Importance: Undecided => Low ** Changed in: linux (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1475042 Title: ubuntu 15.04 wireless network driver doesn't connect: always "trying to connect" animation To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1475042/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs