magmgarcia :
hello, can you specify your pc? did you check the temperatures?
it can cause y several things.
Specs:
i7-9700k (liquid cooling)
RTX 2070
MSI Z390 A Pro Motherboard
ADATA XPG SPECTRIX D41 16GB 3200mhz RAM
500 GB WD Blue SSD
2TB Seagate Barracuda HDD
1050W Standard 80 PLUS Gold, Full Modular Power supply
The time that it turned off today, it looks like the power flickered for some items in our house (we had a snow storm last night) and last night it turned off during the snow storm. So it is possible that it was completely coincidental.