Jan 30, 2021
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https://pcpartpicker.com/list/wcyNW3

Red CPU light comes on. Reseated already to make sure it was done right the first time.
Tried resetting cmos/ hard bios reset
tried ram stick swap outs
replaced psu because original one was absolutely DOA, powered everything for 1 sec then everything would shut off.
With new PSU all lights/fans come on, but am stuck with a cpu light.

I know many users who have the b450 tomahawk max have been having this issue, i just cant find a solution.
 
Solution
The B450 Tomahawk MAX is a good board and it already has the BIOS version to support that CPU.

Make sure all cables are connected properly.

Look for bent pin on the CPU.