Question No post red led cpu light

Aug 24, 2019
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Rog maximus x hero
rtx 2070
I7 8700K
H7 CYROIG COOLER
Corsair rm 750x power supply
delta t series 2 x 8 ram

Purchased and built this computer about 7 months ago with out a hitch, But the other day i woke up and went to turn it on and continued to get bsod errors.
I then tried to get into bios and the pc continued freezing. After a few tries the computer will no longer post. I've tried a new power supply x 2, 1 stick of ram tried in every slot, on board graphics, new mother board (Rog maxiumus XL) (on my first mother board i also updated the bios hoping that would work no luck), tried un plugging all hardware and running with just cpu and cooler with 1 stick of ram still no post.

Now i'm on the second mb and i'm getting error code 7F and red cpu light on the board,
Is my only other option to try a new cpu or am i missing something.

edit: also my keyboard and mouse are getting no power aswell