Which slot? Where?
The one shaped like the thing ...
Format a drive? What’s that?
Depending on your setup it will even promt you do do this, all you have to do is click a couple of dialogs. Or lookup like a 5 step guide on the internet.
Your assuming a tech literacy that simply doesnt exisit in the general populace.
I think I'm making a very reasonable assumption about tech literacy here ... yours might just be below the general populace.