my pc keep restarting after i launch a game, i have a ryzen 5 3600, sapphire rx 5700 xt, 16GB RGB OLOy ddr4 ram, MSi tomahawk b450 max, 120 gb ssd, 1tb hdd 3 rgb fans.
This is Thread is best moved to the appropriate AMD Forum like Drivers & Software or Graphics.
Exactly how does it crash? What errors pop up when it crashes? What AMD Driver do you have installed?
What PSU size do you have installed?
By any chance is your RAM MEMORY listed on your Motherboard's QVL RAM MEMORY List? Do you have the latest BIOS/UEFI and CHIPSET versions installed?
Many posts like yours...please read them before you post..in the correct forum
https://community.amd.com/thread/246699