Dear Christopher, thanks for your feedback. Following your suggestion I upgraded to the latest BIOS version provided by Lenovo, here is the output from this 'sudo dmidecode -s bios-version && sudo dmidecode -s bios-release-date' line:
8DET70WW (1.40 ) 05/14/2015 Sadly, there was no improvement on the bug, I still get situations where my laptop won't connect top WLAN and will refuse any attempts to force it to short of a reboot. ** Changed in: linux (Ubuntu) Status: Incomplete => Confirmed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1584533 Title: Lenovo X220 unable to wlan after resume from sleep To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1584533/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs