Install ThinkFinger on Ubuntu Thinkfinger is a free driver for the SGS Thomson Microelectronics fingerprint reader that you can find on some Lenovo/Thinkpad, Dell and Toshiba laptops. Be aware that ThinkFinger only works for this specific reader. Some Lenovo/Dell/Toshiba laptops contain other brands of reader, such as UPEK. ThinkFinger website Warning Thinkfinger is beta software. Installing it wi