needhelp2018august, does your Gigabyte manual offer any help? How about the Gigabyte forums? At first blush, the MB or Processor would be suspect. I suggest you remove your processor and examine it carefully for bent pins or TIM where it should not be. If all looks good, power up with no Video card and no memory to see if the "CPU issue" light is extinguished. Post your CPU cooler. Please let us know what you learn. Enjoy, John.
Your RAM Memory is listed on the Motherboard's QVL List and the minimum BIOS required for your CPU is Version F2.
Do you have the Motherboard ATX 12v plugged in? That is the one that gives power to the CPU on the motherboard. From your manual:
Concerning the Troubleshooting LEDs on your motherboard:
Just checking the obvious.