Intel i3930k (not OC'd) @ 3.2ghz
Sapphire Radeon HD 7850 2gb
DX79SI Intel mobo
2 x 4 GB sticks of gskill ram @ 2400mhz
EVERYTHING is running fine.. except DX11 games.
I initially thought it was a hardware issue as all the Windows event viewer describes is an error 41 random shutdown.
I start Crysis 2 and as soon as I start a new game, on the intro sequence with the sub when it's generating polys it locks up completely.
I restart the game in DirectX 10 and it's fine. Absolutely perfect on extreme settings (max).
I have checked everything else, disabled audio drivers, run Intel's CPU diagnostics, checked GPU temp and CPU temp. It crashed at a CPU temp of 42c, it's not even getting hot before the entire system locks up.
It sounds to me like a DirectX 11 issue, my GPU is locking up or something is happening, unfortunately I have no experience of DX11 issues.
Figured out the problem, turned out it was a faulty PSU. I didn't bother to upgrade it when I was building the new rig, it was about 4-5 years old and just assumed it was okay. I think at peak voltage though it was probably getting a failure, hence the complete freeze of the system, power was just getting cut.
Tested out Max Payne 3 with the new PSU, working absolutely fine.
So yeh as a heads up if you're getting random freezes with no BSOD and minimal error log entry, always worth trying a different PSU.