This chapter discusses advanced laptops and portable devices. It describes wireless communication methods, repairs, components, and preventative maintenance for laptops. The chapter objectives are to describe wireless technologies, repairs, laptop components, and troubleshooting techniques. Various worksheets and optional labs are provided as learning activities. New terms introduced include technologies like Bluetooth, Wi-Fi, cellular networks as well as components like batteries, RAM, and docking stations. Changes from the previous version include additional details on wireless standards, cellular networks, and the laptop troubleshooting process.