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Bios showing 0 mhz for ryzen 5900

It's a new build and latest bios, I am struggling to even get into bios now as the keyboard isn't reaponding, and it's never reached windows.
It's not a fresh install of windows either. The closest it got was the windows logo and then froze.
Thanks for the quick replies

The mobo is showing 02 code
 
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Just done a bit of googling... some reports of similar problem and 02 code caused by a conflict between NVMe drive and SATA port 1, so if you have multiple drives, keep SATA1 clear.
One report of the cause being a dodgy HDMI cable, and others mention that a switch from HDMI to DP connection solved it. TBH in your situation, anything is worth a shout so I thought I'd post...
 
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I'm using a DP cable.
Just tried reflashing bios and still the same.
It's showing press delete or f2 to enter bios but the keyboard isn't responding. Is there any way to get around this so I can actually see the bios?

I have a m.2 and no sata devices connected
 
Sorted it, I have 3 usb sticks and the last one I tried actually updated the bios. I thought the were doing it to fast for it to be working. Bios is showing the correct mhz for the cpu and I'm in windows.
Thanks for the help guys
 
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