Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to charge a fitbit [title] Try a different usb port. [step] There's a chance that the usb port you are trying is malfunctioning, or isn't producing enough power to charge the tracker. This is most common with usb hubs, or older usb ports.

Ending1: Try connecting the charger to a different port to see if it works. [title] Connect the fitbit to a wall-charger instead of your computer. Ending2: If the hot center in your fitbit device no longer allows you to charge it, that is a sign that malfunctions are not working. [substeps] Itunes will ask you if this is a problem before installing the new software. Ending3: This port may have a screw that you are unable to loosen and fail to charge. Consult the usb port panel that came with your computer when selecting this port. Ending4: If your usb port is not receiving enough power to charge the tracker, there are some other environmental hazards to consider as soon as possible. [substeps] Wear eye protection to retain most of the reading from your device.

Answer format: ending1/ending2/ending3/ending4