Unfortunately, if you bought a used VisionTek product, it is not under warranty. Product warranties are non-transferrable. As it states under our warranty information: "Except where prohibited by law the warranty is non-transferable. The warrantee shall pay the cost of returning the defective product to VisionTek's service center. No VisionTek product will be accepted for warranty service without a copy of a valid proof of purchase and an RMA number."