No matter what you do, you can’t get your shaver to turn on.
Make sure the device was properly charged prior to first use.
It is possible that the battery is bad. Replacement will be needed. You can order new batteries here. Installation can be done using this helpful video.
Although it is possible to fix the wire, it is in your best interest to just buy a new one.
All replacement parts can be ordered here or here.
Make sure that the blades have been replaced recently if worn - blades can be replaced using these replacements. Installation can be done using this helpful video.
Make sure to properly lubricate the trimmer before use. Lubricant can be purchased here.
