No display after changing pcie slots

andoalex99

Prominent
Aug 19, 2017
3
0
510
I will give you a run though
PSU corsair vs550
CPU AMD phentom ii 4x 955 overcloaked to 3.5ghz
GPU Gigabyte 750TI oc Edition
CPU cooler Corsair H33 Liquad Cooler
Ram 16gb ddr3
Moutherbored GIGABYTE GA-970A-D3P

So basicly i am new to the whole computer show and that this pc was running about a day ago as everything in it is brand new. so i was watching a video on where you should put your graphics card it said to put it in the highest PCIE slot witch is PCIE 2.0 When i did that the display didnt come up at all i dont get welcomed with the boot up screen nothing my moniter stays asleep and nthing works i have reset the csmos i have tested the psu in another Rig. all fins will spin leds will come on but there is no power to my keybored nor mouse. please help