Built a computer but it wont start

[Nov]

Hi there everyone!
I built my first computer today and i believe i plugged everything in correctly but it wont start! The LED light on my motherboard does turn on. but for some reason my computer itself doesnt. Can anyone help?

 

[jamieyates14]

Make sure that all the cables are plugged in properly and that all the modules are placed in properly, if they are check the power cable to see if it is the right voltage. And if that all works out fine, check your VGA/HDMI connection to screen.