New PC isn’t powering on

May 22, 2018
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I have recently decided to buy basically a new pc (bought new case, graphics card, ram and motherboard I tried wiring it and it all looked good and I checked I put everything where it should be yet when I went to turn it on only the keyboard lit up and I even took out the keyboard and put my mouse in the usb slot and it didnt power on along with everything else in my pc
I don’t know my power supply yet I have a:
Gtx 1050ti
Corsair ddr4 8gb ram
Corsair harpoon mouse
Corsair k55 keyboard
Gaming motherboard
Corsair carbine case
Please help me I don’t know really what it is and I’m kinda broke after buying these parts so i don’t think I can buy much else