Computers stall, freeze, make giant whirring noises, sound alarms, ping warnings, and ping warnings. But when you see a computer just shut down without a warning message, it usually means you have something meaner or nastier on your hands. Sometimes, the problem is a virus or piece of malware sneaking in your system. Heres a quick guide to realizing if your power outage problem is something natural in your computer’s setup or the work of an insidious third party attempting to gain control.”]
Source: https://gbhackers.com/these-4-solutions-can-solve-why-your-computer-keeps-shutting-down/