How do Amazon returns work? I bought a 15" 2.4 matte from them and while it doesn't have any yellowing (samsung screen), it has a dim/un-uniform lighting section towards the bottom that is distracting a little bit. I went throught the process of the online return and printed out the label, I selected the field that said "product didn't meet my expectations" or something similar to that. Will they simply just refund the entire purchase, or when they receive it will they contact me for more info, and offer another one in exchange?