restart pc in game

my pc resstart in game sometimes in 15 min. sometimes 1 hour later. restart and ı need restart again because when is restart my headphone not work. this problem start 2 week ago ı check my pc it is not about my system.

I test in occt and my system list there.

Ryzen 5 8400F
Msi Pro A620M-E AMD A620 AM5
POWERCOLOR FIGHTER RX 7600 8G-F 8GB GDDR6 128Bit DX12 Gaming
Team T-Force Vulcan Black 16GB (2x8GB) 5600Mhz CL40 DDR5
Kingston NV2 SNV2S/1024G 1TB 3500/2100MB/s PCIe 4.0 NVMe M.2 SSD
GamePower Aura 550W 80+ Bronz Power Supply

if you know how ı fix that pls tell me
sorry for my bad english it is not my first leanguage.