Certified refurbished PCs are laptops and desktops that have been put through the production process and then again retested to ensure they meet all original factory specifications. The configuration and accessories of certified refurbished PCs may have some differences from the original ones. All the certified refurbished systems may have some observable cosmetic blemishes, but they will not affect performance. May have scratches on the top cover. May have the metal fold down front faceplate.