New
#11
It says 15BF. I know the Thunderbolt controller is a critical update on the Lenovo updates page--I thought I had done it--if not with this re-build, then certainly with the last one.
Critical Intel Thunderbolt Software and Firmware Updates - ThinkPad - Lenovo Support IN
I have downloaded the Lenovo System Update tool, and ran that, and it says up to date--I would *assume* it updated the critical drivers?