Windows 10: PC Randomly shutting off

So I was just on call with someone and my pc abruptly turned off. At first I thought it was the AIO pump on the brink but I've monitored it in BIOS and can say that all pumps are churning. I've also sat in BIOS for a good 10-20 minutes just monitoring all round temps and they are all fine. This is leading me to believe that my PSU may be faulty, but I'd like a second opinion before I go any further.Here are my PC specsSU is Corsair RMx White Series RMx850 White 850W 80 Plus Gold Modular Power SupplyLC AIO is ASUS ROG Strix LC White Edition Performance RGB AIO CPU Liquid Cooler - 360mmMotherb

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My PC shuts off randomly

Hi there! I am Louie, a Microsoft Community member and a fellow Windows 10 user like you. Hope you're doing well and safe there.

I'm sorry that you're having trouble with your pc shutting off by itself randomly. I would highly suggest you to check this link and follow the steps provided by Greg Carmack to fix this issue:

https://answers.microsoft.com/en-us/windows/for...

Hope this information helps

Sincerely,

Louie

 

Laptop randomly shuts down after latest Windows 10 update

Since the latest update of Windows 10 my computer decides to randomly shut down after every couple of minutes. First the screen goes black, then the sounds stops and after quite a while the power also goes down.

Obviously I though of cleaning the fan with a big vacuum, as suggested on My Windows 10 Computer Randomly Shuts Down . However, after doing this, the shutting down goes even quicker. I cannot even properly log-on before the shutdown takes place.

What should be my next step?

Ps. The computer is quited aged (roughly 3 - 4 years). The battery is dead enough such that I always need to have it plugged in an outlet. It might just be "done for" but I'm hoping to revive it for just a little bit more.

 

PC randomly shuts down.


Ones pointed out on PSU voltage seem a bit low, temps on System seem o.k.. Did not go down to the Graphics card. When this shuts down randomly it never restarts right away or does it do it while using the PC ?