Hardware Options and Upgrades Connecting an Optional Cable Lock ✎ The purpose of security solutions is to act as a deterrent. These solutions do not prevent the product from being mishandled or stolen. An optional cable lock is a security device that prevents unauthorized removal of the notebook. Loop the cable around a secure object, then insert the cable lock 1 into the security cable slot 2 and lock it with the cable lock key 3 . Connecting an optional cable lock Startup and Reference Guide—Part 2 8–15