Power Replacing a Battery Pack Д CAUTION: To prevent loss of work when removing a battery pack that is the only power source, initiate Hibernation or turn off the notebook before removing the battery pack. To replace the battery pack: 1. Turn the notebook underside up. ❏ To remove a battery pack, slide the battery release latch 1 . (The battery pack tilts upward.) Then pull the battery pack out of the battery bay 2 . Removing a battery pack 4–18 Startup and Reference Guide—Part 2