Ask for repair at support@itproof.sk 60EUR. Your MB can be fixed now! If HP don't agree with free repair or replacement, there is a way how to fix it, but you need someone who has repair tool like rework station. Heat GPU chip on 220 degrees for a minute (solder will reconnect), than leave it for about 20 min to cool down and it's should work again. Connection between mobo and gpu get soldered. ---***--- This model comes with common fault of the motherboard. In most of cases it's video card. Black screen, no video on external and laptop display. After power on laptop going to restart in couple of seconds. But HP has extended warranty for this product from 1 to 2 years so you can apply for replacing of the motherboard.