When you lose your car keys, send an email to the entire company. People out in Alaska like to keep abreast of what's going on. When you bump into a computer support person at the grocery store on a Saturday, ask a computer question. We do weekends. Don't bother to tell us when you move computers around on your own.
Computer names are just a cosmetic feature.
When you bring your own personal home PC for repair at the office, leave the documentation at home. We'll find all the settings and drivers somewhere.