Question Pc wont start after installing corsair h100i

[Tomuragii]

I just installed corsair h100i without the y cable because i lost it corsair twitter support suggested using my motherboard fan headers i did that and my pc wont turn on when i plug it in the rgb lights of the motherboard lights up but the power button does nothing am i doing something wrong

 

[Jimmy_830]

I would check all your connections make sure nothing is lose, did you make sure to be grounded out when installing it? I usually keep one hand on case to just be safe. I’ve had connections come lose before when adding stuff or moving stuff inside my case.

 

[Tomuragii]

I already checked them all and nothing seems to be wrong later i will do reseat ram cpu should i ground i dont know what you mean by grounded out when installing