I just built my computer. However it will only stay on for around 20 seconds then power off then turn back on. Nothing shows up on my monitor. This has happened to me on another computer I built but for the life of me I can't remember how I fixed it.
System Specs:
GIGABYTE Z370 HD3 (Intel LGA1151/ Z370/ ATX/ M.2/ Intel LAN/ ALC892/ HDMI/ Motherboard)
Intel Core i5-8600K Desktop Processor 6 Cores up to 4.3 GHz unlocked LGA 1151 300 Series 95W
CORSAIR TX-M Series TX750M CP-9020131-NA 750W ATX12V v2.4 / EPS 2.92 80 PLUS GOLD Certified Semi-Modular Active PFC Power Supply
EVGA GeForce GTX 1060 6GB GAMING ACX 3.0, 6GB GDDR5, LED, DX12 OSD Support (PXOC) Graphics Card 06G-P4-6262-KR
Ballistix Elite 8GB Kit (4GBx2) DDR4 2666 MT/s (PC4-21300) DIMM 288-Pin Memory
ADATA SU800 256GB 3D-NAND 2.5 Inch SATA III High Speed Read & Write up to 560MB/s & 520MB/s Solid State Drive
Toshiba 1TB Desktop 7200rpm Internal Hard Drive
Asus 24x DVD-RW Serial-ATA
Cryorig H7 Tower Cooler
System Specs:
GIGABYTE Z370 HD3 (Intel LGA1151/ Z370/ ATX/ M.2/ Intel LAN/ ALC892/ HDMI/ Motherboard)
Intel Core i5-8600K Desktop Processor 6 Cores up to 4.3 GHz unlocked LGA 1151 300 Series 95W
CORSAIR TX-M Series TX750M CP-9020131-NA 750W ATX12V v2.4 / EPS 2.92 80 PLUS GOLD Certified Semi-Modular Active PFC Power Supply
EVGA GeForce GTX 1060 6GB GAMING ACX 3.0, 6GB GDDR5, LED, DX12 OSD Support (PXOC) Graphics Card 06G-P4-6262-KR
Ballistix Elite 8GB Kit (4GBx2) DDR4 2666 MT/s (PC4-21300) DIMM 288-Pin Memory
ADATA SU800 256GB 3D-NAND 2.5 Inch SATA III High Speed Read & Write up to 560MB/s & 520MB/s Solid State Drive
Toshiba 1TB Desktop 7200rpm Internal Hard Drive
Asus 24x DVD-RW Serial-ATA
Cryorig H7 Tower Cooler