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PC shuts down during certain games in complex situations

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Posted · Original PosterOP

I've been having this very specific crashing issue with my PC and I've tried but haven't found many existing solutions online.

Basically what happens is that in a few specific games, my PC switches off completely when some big event happens and sometimes just for fun.


My PC shuts down when;

- I play PUBG on anything other than all low settings and take a shot

- I was playing HL2 Ep2 and the


final rocket launches (literally at the end of the countdown)

- Most recently, Half Life Alyx when any big transition happens like an explosion or environmental event like


a train crash


In other games like DOOM Eternal I'm playing on max settings for hours without any issues, It's just these specific games.


I've monitored my temps while trying to get it to crash

GPU - 67c

CPU - 45c


Seems normal to me.


I've changed motherboards, and RAM.

Only CPU, GPU, and PSU are unchanged because I can't really access alternatives right now.

No OC on anything.


Operating System - Windows 10 Edu 64bit


Specs - 

GPU - EVGA 1080ti SC2 Hybrid

CPU - i7 8700K @ 3.7Ghz

Mobo - ASRock Z370M ITX/ AC

RAM - Corsair Vengeance RGB PRO 8x2 3000Mhz

PSU - SeaSonic FOCUS Plus Gold 650 W 80+ Gold


Half Life Alyx gives me an error where it says I'm low on GPU Vram, but I have 11GB? So maybe there's something wrong with my GPU VRAM?


Any help would be appreciated, and please let me know if there's any additional info that would help.


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Either the motherboard or the PSU cannot handle the load, just a wild guess. 


The HLA error probably has nothing to do with the board shutting off.


Lid-less PGA 2700x / ROG B450-I Gaming / G.Skill 3600mhz B-Die / GTX 980 bmod / Antec 850w CP series

Lid-less 8700K / Maximus X Hero / G.Skill 4266mhz B-Die / VGA any benching rig / Antec 1000w CP series

Ryzen 5 1400 / Asus Prime A320M-K / Corsair LPX 3000mhz / GTX-980 Bios modded / EVGA 750 / HTPC

Ryzen Athlon 220ge with Vega Graphics / Asus Prime B450M-A / Corsair LED 3000mhz / 550w Antec Office PC.

DFI LanParty UT / 4000+ ClawHammer / DDR Corsair XMS Expert / X1800 XT 256MB Bios modded

Asus CrossHair Formula IV / Phenom II x4 B97 / Dominator GT 2000mhz. / EVGA GTX 770

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