Question Ryzen 5 5600g gpu crash

[DakaSRB]

MB : Gigabyte X570 AORUS Elite v1.0 last bios
Cpu : AMD Ryzen 5 5600G 3.9GHz (4.4GHz)
Ram : 8x2 Kingston DDR4 8GB 3600MHz KF436C17BBA/8 Fury Beast RGB
Gpu : Sapphire NITRO+ Radeon RX 580 4GB (last drivers)
SSD : 480GB SSD Lexar NQ100
HDD: TOSHIBA 2TB
Psu : Njoy Dawn 750 750W

When i load cpu 100% graphic card drivers stop working.
Pc working ,monitor go to sleep
I must manualy restart pc , windows load no gpu drivers...
Tested with Geeks3D FurMark,
>cpu burner 12threads crash after 5sec

Trying diferent gpu cards , rx470 rx580 8gb nvidia 1080 ,
xmp profil 1 3600mhz and 2 3000mhz default 2400mhz
load default bios settings
windows reinstal and stil crashing.

I think cpu is problem.
I dont know what to do...Help

 

[Colif]

Psu : Njoy Dawn 750 750W

Could be the PSU can't run all the things at 100% and turns GPU off to save power for more essential things... such as CPU & ram.

I would be tempted to try a new PSU before I thought it was the CPU.

 

[DakaSRB]

I will try another power supply thank you