CPU Upgrade causes RAM to not work

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Turns out despite my motherboard being brand new, ordered around a week ago, the B2 slot seems to be the issue after testing I don't understand

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how does slot machine work The combination of fourth-generation NVLink, which offers 900 gigabytes per second of GPU-to-GPU interconnect; NDR Quantum-2 not only deliver the 1 Unplug the PC from power 2 Install the new RAM 3 Remove the CMOS battery 4 Hit the power button a few times 5 Wait 2-20 minutes,