Return claims will NOT be honored under the following conditions: 1) Return is made without return authorization (RMA). 2) Returned item is not the same item shipped to buyer (i.e. different serial number). 3) Item has been tampered with, altered, or is otherwise physically different than the originally shipped item. 4) Buyer purchase an item that requires service as stated in description or would ordinarily require calibration for use. 5) Item is offered without accessories and buyer assumes that accessories were to be included. 6) Item pictured is slightly different than item received in cases where the sale offering shows quantity of more than one. 7) Item requires professional or expert knowledge to operate or install and buyer has no such knowledge or ignores requirements. 8) Item received is locked as a result of a user/bios/access password that requires expert knowledge to remove.