pc display turns off

not sure if this is the right place to put this but hey. so im relatively new to pc building and a year ago built my brother a pc. lately its been randomly having the video cut out with flickering static and black screens sometimes emitting a loud popping noise. ive tried a few things so far...

CPU-I5 4460 Mobo-Asus H81M-K GPU-Evga 980TI Hybrid or MSI 1080 Armor OC PSU-Cooler Master 700W Silent Pro RAM-Team Group 2x4GB DDR3 or 2x8GB DDR3 Samsung SSD boot-two different SSDs with two separate OSs on (8 Pro and 10 Home) PC boots up fine and will load up and play/run games or stress...