thinkpad update bios
# https://news.ycombinator.com/item?id=14630736
# download Boobtable CD BIOS update from Lenovo: http://pcsupport.lenovo.com/cz/en/products/laptops-and-netbooks/thinkpad-t-series-laptops/thinkpad-t460s/downloads
# NOTE: During the update it's necessary to have "SecureBoot" option enabled in BIOS.
# provided by the genisoimage package on Ubuntu
geteltorito n1cur14w.iso > eltorito-bios.iso
# replace XXX with your usb drive with care to not write over your disk
sudo dd if=eltorito-bios.iso of=/dev/XXX