Startup Connecting the Notebook to External Power To connect the notebook to external AC power: 1. Plug the AC adapter cable into the power connector 1 . 2. Plug the power cord into the AC adapter 2 , then into an electrical outlet 3 . When the notebook is receiving external power, the battery light 4 turns on. Connecting the notebook to external power (Power cords and outlets vary by region and country.) Startup and Reference Guide—Part 1 1–5