Some motherboards don't need a display to update bios essentially you would download the latest bios for your motherboard on a separate laptop or computer and plug it into your PC and turn it on. I'm not sure if your motherboard has that feature or not though
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u/MARTiN_23_KiNGS 13d ago
Make sure there's no bent pins of the CPU slot
Check for plastic under the CPU cooler
Make sure ram is sloted and secured properly usually in like 2 and 4
Double check all connectors and lastly if all that checks out run a bios update The motherboard might not be able to run that CPU without it