Hey there!! Just built a new computer...have a 700w power supply a corsair full case i5 7600k and a z170 pro4s mobo...the problem is i put it all together very carefully this is my second build, and when i powered it on everything starts up all the fans run but i get no display...about 15 to 20 seconds later the computer shuts down for about 5 seconds then starts back up and runs constantly after that but still no display.....ive tried changing the ram around even down to 1 stick....ive reseated the cpu and cooling fan ive cleared the cmos and tried a different power supply all with no luck...keeps doing it...ive also tried hdmi cables and dvi cables ...is my mobo a "dead on arrival" or is there something i could be missing?? All chords are firmly attached...i also tried putting in my gpu (gtx 970) and hookin display up that way with no luck...helpp pleaseee!!!