I also had this problem.
Thinkpad e540, Firmware version 1.58, updated to 2.17. Using Kubuntu 14.04.2.
Installed Bios version 2.18 a few minutes ago. Problem has been solved.
Thank you everyone at Lenovo who fixed this!
I also had this problem.
Thinkpad e540, Firmware version 1.58, updated to 2.17. Using Kubuntu 14.04.2.
Installed Bios version 2.18 a few minutes ago. Problem has been solved.
Thank you everyone at Lenovo who fixed this!