[SOLVED] PC wont display

[lazerbs]

i recently built a pc but it was running super hot, so i opened it up and checked under the cpu. i found a sticker under it (probably warranty) and removed it. when i plugged it back in, it wont display. can you help me?

 

[Dark Lord of Tech]

View: https://www.youtube.com/watch?v=0wDUN1DqRrw