Hp Laptop problem

Visit our facebook group. Its a free for all for posting links to videos https://www.facebook.com/groups/672356569629281/ This is my seccond laptop from HP. The last one was identical to this one and died the same way.. one day it just doesnt work. Restarts non stop and this one for a little while did what you see in the video but now it just sits there and nothing comes on the screen. Motherboard? video? you tell me.. HP