New build will boot when out of case but will not boot when in the case. The power button or LED lights in front of case won't light up and PSU fans or cooler fans won't spin LED on Mobo works that's it.
This is a friends build and i'm trying to help them get it sorted, don't really know what info you guys will need.
All i know is its a AsRock Z270 E4 motherboard, Case Win303
Thanks