A:AnswerCheck with geek squad on this. You can call, or take it in to a local Best Buy store to find out. If they do, then it would probably get sent out for repair.
A:AnswerUsually it starts at the same time you purchase it. In some cases, it lasts beyond the manufacturers warranty. You’d have to check with geek squad to find out.
A:AnswerIt’s a replacement, if the Pc is still available for purchase. If not, you get a store credit not to exceed the purchase price of the item you had.