486844-001 for HP Pavilion DV4, Compaq CQ40, CQ45 CPU Cooling Fan — Working properly, no noise. Genuine OEM part from a used notebook.

This product is a refurbished, original system board and is 100% functional. We offer a 90-day warranty on this product. Please click the link below for an easy, no-hassle return process. Make sure to match the part number of the motherboard you are replacing with the one you are purchasing.