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.
i will remove hard drive, keyboard, RAM module, fan heatsink assembly, speakers, palmrest and motheroard, reger on this guide, you can upgrade and repair your Lenovo Yoga 2 13. Before taking it apart, make sure the laptop is turned off.unscrew all the screws from bottom case. bottom case has removed.enovo Yoga 2 13 using a 4520mah li-polymer battery, P/N L13M6P71. battery. disconnect the white cable, remove four screws securing the hard drive assembly. then remove the hard drive assembly.