The HP Pavilion Beats Special Edition can be identified by its model number: 15-p390nr. This notebook was released on June, 8th 2014. The HP Beats Special Edition features a touch screen and speakers made by Beats by Dre.
Test a External Screen (HDMI VGA Port) if you can get image from there probably is a bad LCD or LCD Flex Cable, if you cant see anything probably can be a VIDEO CARD FAILURE or loose RAM. The click can be your hard drive or a short on backlight line.