gigabyte x470

Hi Is anyone able to help me before I spend too much money trying to fix this PC? PC has been working fine but have spent some time away from it as I purchased a laptop for university work. The issue I have has been listed below. Plug the PC into the wall using the power cable Heat sink LED...

Tried to turn my computer on this evening and the motherboard DRAM Led gave me it's bright red evil-eye and wouldn't post. I've taken every step I can to find the fault: Cleared CMOS: Shorting the two pins, Removing the battery, Removed power lead and pressing both Power & Reset buttons for...