Pc wont beep

Jun 12, 2018
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My cousin wanted me to help him fix his pc that used to work just fine so i plugged everything in. The gpu fans run the cpu too and all the fans basically, my mother board having a green light but it wont boot there is no beep at all no signal to my monitor keyboard headest and mouse

Here are my pc specs:
Intel core i5 4590 3.3Ghz-IR1
Arctic cooling alpine 11 Pro Rev.2 CPU Fan
Asus h81m plus
Kingston ValueRam 8GB DDR3
GIGABYTE GTX 660 OC 2GB GDDR5 DX11
WESTERN DIGITAL CAVIAR 1 TB
SAMSUNG 840 EVO 120 GB SSD
ANTEC BASIQ 500W ACTIVEME PFC 12 M PSU
ANTEC ONE MID TOWER GAMIBG BLACK CASE