The company has also redesigned the X1 Carbon’s internals for easier repairs If there was a kingdom of laptop screen flexibility, Lenovo would take the crown. Last year, the company released the ThinkBook Plus Gen 6, with a mechanical screen that could roll out to increase its size from 14 to 16.7 inches. Now, it’s back with the ThinkPad Rollable XD concept laptop that expands from 13.3 to 16 inches at the touch of a button or a swipe, along with the ThinkBook Plus Gen 7 Auto Twist, which uses a motor to rotate its screen and follow you around the room.…