Every hard drive needs to be reformatted from time to time in order to function properly. In general, computer owners need to take care of their computers on a regular basis if they want to keep using them.
When it comes to reformatting hard drive, nobody expects you to do everything on your own. You can always ask for help somebody who is a professional and somebody who is qualified enough to do such jobs. After all, you do not want to risk damaging your PC by doing everything on your own.