... new notebook/laptop, motherboards ENVY15 576772-001 100% tested,high quality Note:please ensure you are purchasing the correct part number ... as there are several different system boards available for this series. Payment:1. About payment, we can accept Escrow, Pp, ... external connector of LCD display , Two memory, DVD driver, Network connection, Voice, Mouse, Keyboard, Dial, USB, SD connector, PC, 3 ...