my computer powers up for a split second then dies is thier a sort?

[bradersjoss1206]

i have a gigabyte 970a-ud3p its only 3 months old but since the other day it will not turn on. when i push the power button it turns on for a split second then off again. when i hold it it flashes on the first click and when i let go the exact same thing on the second click. it all seems to have started from when i installed my new cooler. it was fine before that but the board had developed the clasic gigabyte double boot problem but bar that it was ok. i put the old cooler back in and it made no differance. removed every single thing and all the componenets were fine apart from the motherboard. i took the prosessor out and it still did it which really worrys me becasue thier should be no power flowing through the board if thier isnt a prosessor in it. if anyone knows what the warranty details of this board are from gigabyte i would love to see what they are. so if anyone could help i would greatly appreciate it.i have a AMD FX 6350 16gb of 1866mhz kingston hyper X 600Wat psu and a gigabyte GTX 750ti graphics card.

 

[smorizio]

make sure it not a dead short or a bad power issue. take the mb out of the case and with just one ram stick and power no gpu see if there life. if not try another power supply.

 

[bradersjoss1206]

make sure it not a dead short or a bad power issue. take the mb out of the case and with just one ram stick and power no gpu see if there life. if not try another power supply.

Thankyou for your reply but i did that and no change still the split second life then death. ive rebuilt the whole pc twice over and its not shorting anywhere. i have tried running it ontop of carboard it did its instant life then off again. ive removed all the hardware and tried to run with a single stick of ram and the cpu but no change tried the other stick no change. it apears to be doomed and im probably going to need a replacement. thanks for your help though but it made no differance to the stupid thing. i think whats happened is thier was a short and it blasted the mother board and thats killed it because when i first put it back in the case and powered her up after installing the cooler it required the gigabyte double boot as per usual but when i did it the second time it came to life for about 10 seconds and thier was a bios beep but just as it beeped it cut out and hasnt seen life since.

 

[smorizio]

before you rule it dead hae you tried clearing the cmos to see if the mb locked up from the dead short???

 

[bradersjoss1206]

Well its ok now thanks for your ideas but i rebuilt it completely for the fifth time over and this time i removed the backplate from the cpu and put it back on again. it still did its on off instantly thing again but i stuck a flathead screwdriver in where the header for the power switch is and spammed it. it kept doing its thing but i sped up the spamming and it eventually tuned over and came to life. and has worked flawlessly for the past few hours. thanks for your help but i managed to sort it by spamming the header.