You tried getting them to replace the computer when? Before you sent it in, or after they already sent it back to you?

Also, that's just the absolute waste of time and money. You know lawyers are expensive, right? And you also know that the hourly rate a lawyer will charge you for 1 hour of work will probably be the same cost as a new computer, right?

Your mom sounds off her rocker. Not only about this, but when she yelled for no reason at the cable guy who called your house.