Please read the terms of the listing and the description carefully.Free priority shipping via USPS within the 48 states, ships within one business day (tracking number will be uploaded right when the item is shipped). Returns only for DOA parts within 14 days of the buyer receiving the item, seller pays for return shipping for DOA returns. There are no returns for buying the wrong part and or not needing the part. Any returns that are allowed are subject to a 25% restocking fee, buyer pays all shipping costs to return the part and also my shipping costs of what it costs me to ship the part. All parts are marked and checked, if the same part is not sent back then there will be no refund and a case will be opened with EBay. If you have any questions about parts, troubleshooting, or the terms of the listing, please feel free to message me. Please make sure you are buying the right parts, if you have any doubts at all let me know and I will help you the best I can to make sure you receive the proper parts to get your computer working again.