I would be seriously questioning the shop and most likely looking for a new one based on that.

They never should have put that CPU with that motherboard. Even worse is that the chipset on the...

A couple of things. How are you managing to run a CPU with a rated TDP of 125W,

FX-8150 | AMD

on a motherboard that isn't rated for any CPU with a TDP any higher than 95W?

ASRock > N68-GS4...