Have the same problem with Dell Latitude E7450. It's possible to turn it off using Fn+F10, but next boot it results in kb backlight being on. I also noticed that it comes up each time I unlock my laptop after locking screen using Ctrl+Alt+L.
Have the same problem with Dell Latitude E7450. It's possible to turn it off using Fn+F10, but next boot it results in kb backlight being on. I also noticed that it comes up each time I unlock my laptop after locking screen using Ctrl+Alt+L.