first pc build troubleshooting

SneakyRed

Honorable
Nov 18, 2013
70
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10,630
i have these specs:
intel i5-4670k cpu
cooler master hyper 212 evo cpu cooler
msi z87-g43 motherboard
EVGA GTX 770 superclocked
8GB Corsair Vengeance DDR3 RAM
SAMSUNG 840 EVO MZ-7TE250BW 2.5" 250GB SATA III TLC Internal Solid State Drive (SSD)
cx750m psu
TP-LINK TL-WDN4800
Asus DRW-24B1ST/BLK/B/AS optical drive
and corsair carbide 200r.

when i press the power button nothing happens. i have it connected properly and i have tried shorting the pins for power sw but still nothing happens. i have hooked everything up to the best of my knowledge. any help would be wonderful.