This is going to be long because i have tried a lot and im currently out of options.
My Build:
CPU: Intel Core i9-11900K
Mother Board: Asus ROG STRIX Z590-F GAMING WIFI
CPU cooler: NZXT Kraken X53 2x120mm
Storage: SSD 1TB 5.0/7.0G 980 PRO M.2 SAM + Seag 2TB ST2000DM008 7200 SA3 1 52,90 52,90 A 24 M BarraCuda
GPU: EVGA10GB D6X RTX 3080 XC3 ULTRA GAMING
PSU: Corsair RM1200x Shift 1200W PSU
Currently running Windows 10
The problem:
My PC randomly freezes and stops all actions even sound. I’m forced to reboot my PC by holding down the power button. When this happens is completely random. I had this happen when playing games, browsing the internet and even just moving around my mouse on my desktop. This does not happen daily as i have gone 2 weeks without it freezing once but it has also happened multiple times in 1 day
What i have tried to fix this:
Memtest + testing 1 ramstick at a time
upgrading PSU from 1000W to 1200W
Apply new thermal paste to CPU
Slot my GPU in a different slot
Search the error in event viewer and followed the basic fixes
What i can’t currently test because of having no access to hardware:
A different GPU
A different CPU
A different SSD
Different fans
Hardest part about debugging this is that it doesn’t happen consistently and there is no BSOD that gives me an error code back. If anyone has any idea of what i can do to fix this i’d like to hear them all
Can you confirm 100% that your AIO is functioning properly?
11900k meaning you purchased your computer a little less than 3 years ago, likely a little more than 2, correct? This unfortunately could mean that your AIO has died.
Download any temperature monitoring software like HWMonitor, HWInfo, etc. Then run some sort of stress test like Cinebench or whatever. Something to put a load on your CPU. Watch the temps. If it’s hitting like 80-90C, but not any higher, then at least you can rule this out. If it’s getting anywhere close to 100C or above, then you have a cooling issue. You can also feel the pipes on your AIO and see if you feel water pumping through it and if one pipe feels significantly warmer than the other.
I have ran the CPU multi core benchmark and the temperature was always between 84-86C during the benchmark, you can see it yourself here.
I bought the parts for my PC around 2.5 years ago like you suspected. If you have any more ideas i’d like to try them
At this point, the only thing I can think of is software. You might want to try a clean install of windows.