If you would prefer, we can speak over the telephone before or while I am performing the steps. This way, you can give me any special, clear instructions that you may have.

Have you ever taken your computer to a big-box store, or another large computer store, and had it returned with their good news, they fixed the problem! Only costing you an arm-and-a-leg. Not to mention, they deleted all of the photos or music.
I will attempt to fix the issue while retaining all of your important data. Even if it means having to come over to your house or business to back it up first.