Game crashes my whole PC - No blue screen just instant shutdown/switches off

Hi Team,

This is actually quite a common problem for me and it didn't happen previously, I've had this issue probably for the past 3-4 leagues.

This issue can happen in 4 places:

1. When I open up POE, the moment the POE logo pops up, my PC will just instantly switch off.

2. If it makes it through that, sometimes when I click onto my character to load into a game, it will instantly switch off my PC

3. If it makes it past that, then when I load into a game and go to my hideout, sometimes it will instantly switch off my PC at that point

4. If I can make it through all that, sometimes when I first load into a map, it will instantly switch off my PC.

I get no error message either because it just instantly switches off my PC.

The game will do this instant switch off crash on my PC probably 3-4 times out of 5 times? but when it works, it'll work with 0 issues. Game runs smoothly and no hiccups.

PC Specs -
Motherboard: Gigabyte X570 Aorus Elite
CPU: AMD Ryzen 9 5950X (4.9GHz/16 cores/32 threads)
Graphics Card: RTX 3080 10GB
RAM: G.Skill Trident Z Neo 64GB (4x16GB) 3600MHz
PSU: MSI MPG 850W 80+ Gold
SSD: Gigabyte Gen4 Aorus M.2.NVME

Additional Info/troubleshooting performed -
- No other games or programs on my PC cause it to instantly switch off
- Running on Windows 11
- Drivers are up to date
- Windows updates are up to date
- I have uninstalled and re-installed POE (issue still persists)
- I have done the DISM and sfc/scannow stuff and that all comes back with no issues identified
- I run POE on the standalone client (not Steam client)
- I have also done the PackCheck thing from the POE folder and that all comes back fine

Any other suggestions on how I can stop this from occurring?

Power Supply?

Power Supply's goin bad. Over time this will affect more apps & programmes.

I'm having the same issue