HP ENVY 4 touchmart without graphics laptop motherboard part number 713809-501- supports touch screen operation. fully tested with 90 days warranty. The above picture is just for reference and the actual may vary.. Please confirm the availability of the product before you place an order. Make sure all the connectors duly connected to the motherboard before fixing the board to the kit. check whether the cpu fan is working and heat sink is installed properly. if you are a chiplevel engineer , please never try to touch motherboard components with bare hand or without static ground while the power is on. for any clarrification or technical assistance contact us.