PC Processors

[raphadont]

It`s been 4 days since I set up a new PC, and today it started to restart randomly. Even while in bios.

Already took everything off and started putting each piece at a time, but it`s so random, I simply cannot recreate it whenever I want, it happens even if it`s idle, on windows log in screen.

I`ve been running it all stock, no oc or pbo or anything...

Ram running 3200mhz in DOCP as merchandised.

Already checked the event viewer, no error, only upon next boot it gives a "The system has rebooted without cleanly shutting down first. This error could be caused if the system stopped responding, crashed, or lost power unexpectedly."

I cannot test another cpu or another motherboard because I only have the one I`m using, and it`s the only parts that I didn`t have before.

Ryzen 9 3900x (Stock, happened with prism cooler and with a gammaxx 400)

Asus Prime x570-P (BIOS 1405 - 1.0.0.4)

32gb ddr4 3200mhz CL16

Zotac Nvidia GTX 1080

Seasonic 850w Bronze

Samsung Evo 850 240gb

SSD Kingston Now 120gb

Hdd Western Digital blue 2TB 

*all but cpu and motherboard was on another config working properly.

What should I do?

[borealis321]

I've been having the same issue.  I suspected nvme failure at first, but having same problem after RMA.  Suspecting either MB or CPU Hirens x86 RAM test is good.  Mine can boot and enter UFEI without a problem but another form has suggested it could be either the MB or CPU, especially many from the Ryzen 3xxx lineup.  Will update when I can.  Every time the MB POST switches to the bootloader => reboot/loop.  The confusing thing is that the device was fine up until six months ago then random reboots began and now a complete failure to boot anything off of the nvme.  I have also previously had graphics issue that I had chalked up to driver problems.