Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to set up a google chromebook [title] Take the battery out of the packaging. [step] Out of the box, some chromebooks have their battery detached from their body and in a separate plastic bag. Simply take the battery out of the box and remove the plastic bag.

Ending1: If your chromebook's battery comes preinstalled, you can skip this part. [title] Insert the battery into the chromebook. Ending2: The battery will be attached in an x shape on top, but you can pull it gently out using your fingernail, if needed. The battery folder is located on the bottom of the box. Ending3: Use the flat end of a paper knife or the sharp side of a scissors to cut the plastic to make it easier to remove. [title] Discard the battery and put the battery in a safe place. Ending4: You will have to take the battery out and twist and separate all of the positive and negative battery components to get the battery. Once these components are separated, use your hands to peel the cover and expose the battery.

Answer format: ending1/ending2/ending3/ending4