Pc wont boot after cpu upgrade

Ikapewpew

Reputable
Sep 18, 2014
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Hi guys I have a problem 10 mins ago my i7 875k arrived its lga 1556 new in box everything my mobo is asus p7p55d deluxe lga 1556 and I had i5 760 lga 1556 so I just changed the cpus but pc isnt turning on I hear the fans and leds and everything normally my fans would go slow for a second then go on full power untill windows is up but right now as I push the button it works on full power
That didnt happen...so what should I do
 
Solution
This might be a rather obvious question, but did you put thermal paste on the CPU? It would also help if you could post a full list of your specs.