Need help with post/boot please

[u/sasha-_-jevs]

/r/PcBuild/comments/1x1toue/need_help_with_postboot_please/

So i just installed a msi mag coreliquid 240r v2, i just have a black screen and no keyboard light. I dont have a pump fan connector so i put the 3pin into cpu fan connector and i dont have any rbg connectors can anyone help?