computer powers on, fans spin, then shuts off and comes back in 2 seconds and doesn't post.

BeyondNames

Prominent
Jul 4, 2017
6
0
520
I just built this computer, I have no idea what could be wrong, the computer doesn't post, but the graphics card lights turned on and so did the mobo and fans the computer sounded fine. it won't display on any of my monitors, and yes I tried multiple cables and even tried plugging it into the mobo vga

Here are my specs:
-Intel Core i5 6600k 3.5 GHz Quad Cors Processor
-Cooler master hyper 212 Eco 82.9 CFM Sleeve Bearing CPU Cooler
-ASRock- Fatal1ty Z270 Gaming K4 ATX LGA1151 Motherboard
-Kingston FURY 8GB (2x4GB) DDR4-2400 Memory
-Western Digital- Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive
-MSI-GeForce GTX 1050 Ti 4GB Gaming X 4G Video Card
-NZXT S340 (BLACK)
-SeaSonic S12II 520w 80+ Bronze Certified ATX Power Supply.
 
Solution


oh wow i just realized that my cpu wasnt connected to the power supply? i forgot to put the 8 pin connector into the top left of my mobo.... i connected it rebooted and i got into my bios perfectly, also i dont have an internal speaker so it doesnt beep.

BeyondNames

Prominent
Jul 4, 2017
6
0
520


Nope, took out the card no beep. Took out one ram and left one in there, and then switched it and no beep.
 

BeyondNames

Prominent
Jul 4, 2017
6
0
520


oh wow i just realized that my cpu wasnt connected to the power supply? i forgot to put the 8 pin connector into the top left of my mobo.... i connected it rebooted and i got into my bios perfectly, also i dont have an internal speaker so it doesnt beep.
 
Solution