The original IBM Thinkpad R50 parts listed below come standard with our 30-day warranty.  All parts are used or refurbished and fully-tested.  To determine compatibility of the part, we highly recommend utilizing the part number (or IBM FRU) number found on the part you are replacing and matching it with the part number that we have listed on our website.  If you are having difficulty locating the part that you are looking for, please give us a call.