my new computer wont boot up just black screen

Engelton182

Honorable
Oct 4, 2013
20
0
10,510
So I've built new pc yesterday. The problem is that it won't boot. All fans are spinning,optical drive is bleeping too, though I cannot access it.On monitor it says "no video signal" just black screen after that i've checked everything
PSU: Cougar SL 500W
Case: Cougar ATX Solution
Motherboard: Gigabyte G1.Sniper A88X
CPU: AMD A10 5800K
CPU cooler: stock AMD cooler
GPU: Sapphire HD 7730 GDDR5
RAM: 4GB Kingston DDR3 1333
HDD: Seagate 500GB Hitachi 1TB
Fans:Cougar 6x 120mm & Cougar 1x 140mm [/b][/b]
 

Engelton182

Honorable
Oct 4, 2013
20
0
10,510
hey after it figured it out it work i finally make the computer working but after playing for 4 hours or 5 hrs my computer shutdown automatically and wont open it again, seems like the cougar SL 500w failed and i smell electric or just the same of a brand new PSU?