So, I was gaming last night (Call of Duty: Black Ops 3) and my computer suddenly Shut down without any BSODs. So, I fired up my pc again and did some light browsing, and it shut down again. I then looked at the temperatures (using HWmonitor) and found that the temperatures are just normal. So, I shut down my PC, unplugged and replugged the power cable of the PSU until its firm, fired up my system, and never had any more abrupt shutdowns.
I don't know if this fixed the issue as I am still looking if the problem has been resolved, but in the event that the computer shuts down abruptly again, what could be the probable cause?