Power outage or pc failure? How to check this.

[sewerino26]

Hello again dear forum. My pc: 6700K no oc, Gtx 1080 Ti Fe, 16GB DDR4,Corsair 750 RM.
So listen. When going to sleep i always left my pc in idle,windows 10 desktop. Today i woke up and saw that pc is turned off. So i run them again and its fine. I want to be sure, what caused this. Pc failure or power outage?


On event manager,there is only POWER-KERNEL failure,and Event log said that on 6:17:00 hour there was power cut or failure. Thats all. How can i check this? Also my router is DLINK 300,but i forget password to login to check uptime.
http://192.168.0.1/login.php

Any ideas?

 

[EsaT]

Also my router is DLINK 300,but i forget password to login to check uptime.

Default seems to be no password and "admin" as user name.

Windows doesn't really know much of difference if it's hardware glitch or power failure shutting down PC.

 

[Badfish]

If it happened just once then it was probably a power outage, they happen sometimes. If it keeps happening then there's a different issue like PSU, overheating, etc.