Question Cpu cable doesnt match

are you sure you are using the proper EPS cable and have the connector oriented the correct way?
this power supply comes with a standard 8pin(4+4) CPU EPS cable and that board uses a standard connection:
17-701-011-V12.jpg
 

PedroL2000

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Feb 1, 2021
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are you sure you are using the proper EPS cable and have the connector oriented the correct way?
this power supply comes with a standard 8pin(4+4) CPU EPS cable and that board uses a standard connection:
17-701-011-V12.jpg
Yes Im sure. The eps cable from psu has 2 squares and 6 keys (keys?) while the mobo socket has 4 squares ans 4 keys
 
I can see in your picture that you hold 4+4 cable in your hand. That's the right cable for CPU. No other PSU cable has the connector that can be split to make two identical halves (except perhaps the other identical cable if your PSU has two).