computer turns on and off

Voodoo_k

Honorable
Nov 11, 2015
13
0
10,510
Build
i5 3470
Gigabyte LGA1155 Intel H61 Express Micro ATX
Avexir Core Series 4GB
1tb wd
thermaltake 430W Power Supply


New build, computer turns on for a brief moment then turns off, ram lights up and power supply fan spins while its on, the pc doesn't boot for longer then 2 seconds and doesn't show anything on the monitor. i've already tried to replace the motherboard twice and it hasn't helped.
 

Voodoo_k

Honorable
Nov 11, 2015
13
0
10,510


yes i already tried plugging in the connections for the cpu, ive tested the cpu with and without the cooler and it didn't post.
 

Voodoo_k

Honorable
Nov 11, 2015
13
0
10,510


Yes i plugged everything in properly and it still wont post