[SOLVED] Post code 00

Dec 31, 2019
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Hello, past week my motherboard refused to boot, and post code was 00 and my motherboard has troubleshooting led's and it shows that something is with cpu. Yesterday I managed to boot without problems and today again post code 00 and red cpu led.
Specifications :
CPU : Xeon E5-2620 (I Had 4960x, it died past year, been using 2620 for 9 months without problems)
RAM : 8GB kingston 1866MHz (yes it matches the qvl) this time only, overall I am using 4x8 GB kingston 1866MHz
Motherboard : Asus Rampage IV black edition
PSU : EVGA 850W B3
Anyone has ideas? Any help is appreciated!