Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to reset a dell laptop [title] Back up and save all your personal data to a disc, usb flash drive, cloud storage service, or any backup program of your choice. [step] Resetting your laptop will wipe and erase all personal data from your computer. [title] Connect your laptop to a power source.

Ending1: [step] Make sure that your connection has power and that the cable is plugged into an outlet. [title] Exit the computer and verify that the power adapter is in working position. Ending2: [step] This will help prevent your computer's battery from losing its charge during the reset process. [title] Swipe in from the right side of your screen and tap on " settings. Ending3: [step] If you have an iphone, the power adapter works just fine. A wire connection works equally well, so try the aap converter if you have one. Ending4: [step] For the maximum performance, the battery needs to be at level 30. Be sure all the devices and internal units are connected to the same power source.

Answer format: ending1/ending2/ending3/ending4