My pc shuts down randomly but only if i play or start games it sometimes happens every time i start a game sometimes it doest happen at all for months.
2tb hdd 128 gb ssd
750 w 80+bronze psu
Im pretty new but your CPU temps seem pretty high @ 80 Celsius. Try booting your bios and blasting all your fans & use MSI Afterburner to blast your GPU fan and then try playing games see if having your fans at full blast helps.