Elements of use case diagram: Actor. â¢ Actor is someone interacting with use case. (system function). Named by noun. â¢ Similar to the concept of user, but. a user can play different roles; (example: a prof. can be instructor and. researcher â plays 2 roles with two systems). â¢ Actor triggers use case. â¢ Actor has responsibility toward the system (inputs), and Actor have expectations from the system (outputs).
Related Manuals for Lenovo Laptop. Summary of Contents for Lenovo Laptop. Page 1: User Guide Lenovo User Guide Read the safety notices and important tips in the included manuals before using your computer. Page 2 Notes â¢ Before using the product, be sure to read Lenovo Safety and General Information Guide first.
pry up the bottom case and take it away. now you can access the battery, hard drive, wireless lan card and speakers. remove six screws securing the battery, disconnect the battery power cable from motherboard. Lenovo Yoga 2 11 battery has been removed.the back of the battery. remove four screws securing the hard drive module. lift the hard drive module, you can see the SATA cable still connect to the motherboard.lift the scotch tape, disconnect the cable from motherboard. Lenovo Yoga 2 11 hard drive module has been removed.remove one screws securing the wireless lan card, disconnect the Antenna. Lenovo IdeaPad Yoga 2 11 wireless card. remove two screws securing the speaker, disconnect the power cable from motherboard.two speakers has been removed.enovo Yoga 2 11 hard drive module has been removed. remove one screws securing the wireless lan card, disconnect the Antenna. Lenovo IdeaPad Yoga 2 11 wireless card. remove two screws securing the speaker, disconnect the power cable from motherboard. two speakers has been removed.