This may most likely be an issue related to your power supply unit. So, the first point of the call will be to verify the connections. Ensure that the 24-pin ATX power supply connector is securely plugged into the motherboard. You can check to see if the RGB lights on your motherboard are illuminated. Other ways to fix this include: Check the power jumper on the front panel. Check CPU compatibility Check computer hardware Check the display screen. Check the EZ Debug LED indicator. Perform a POST test. Discharge to clear CMOS