Booting up PC Problem

[ericrabago420]

I started a build about a month ago, and I bought every piece a computer needs.

Incase you want a look at the items heres the build on pcpartpicker.com
https://pcpartpicker.com/list/Xm6Bq4

All closed in a Rosewill Tyrfing Case, nothing will pop up on screen everything is in the right position. NEED HELP!!!
Give Suggestions

 

[USAFRet]

New assembly and not booting up?
Start here: http://www.tomshardware.com/forum/261145-31-perform-steps-posting-post-boot-video-problems

 

[WildCard999]

Make sure the PSU switch is on.