The BIOS of this machine is quite old, it may be a pre-production version: dmi.bios.version: HCET01K1(0.01)
It was reported that a later bios can fixed it, but I can't find one, there is even no bios update posted on Lenovo website for this machine. ** Changed in: linux (Ubuntu) Assignee: Canonical Hardware Enablement Team (canonical-hwe-team) => (unassigned) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1145508 Title: [Lenovo E49]: Wireless Key does not function To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1145508/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs