Question Pc boots, lets me login, but shuts down after about 10sec after

Jun 28, 2019
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Pc has been working flawlessly for 4 years, I came home to my pc running (windows 10 turns on pc for whatever reason sometimes) and the monitpr has no signal. I decide to use the reset button, and the pc refuses. Lets me know through beep signals though, that the processor failed. A forced shutdown and restart lets it boot, and works until I login. 10 seconds after the monitor looses signal again. Same result after 2 more tries.
 
Full spec including PSU make and model?
What error specifically are you encountering?
Have you monitored CPU temps in the BIOS?

Cpu is a Xeon e3-1230v3, 3.3 GHZ lga1150 socket

Psu: bequiet! Pure power Model BQT L8-CM-530W
GPU: Windforce gtx 970
Cpu fan: Alpenföhn Ben Nevis Intel+AMD
MoBo: Asrock Fatality h97 Performance

Don't really know how to see cpu temps outside of bios.

Cpu temp when in Bios starts at 29°C and goes up to 32°C in idle