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(Whole) PC crashes when playing games, why?

Hey guys, I got a relatively big problem with my new rig 😕

 

First some required data:

CPU: AMD Ryzen 3 2400G @4Ghz

Mainboard: AsRock B450M Pro4

GPU: Nvidia GTX770 | No OC, but Temp. Limit @85°C

RAM: 16GB 3000Mhz

PSU: 400W BeQuiet

Cooling: Overall good, but no perfect

 

So my problem:

When I play games on my new pc it keeps crashing when gpu-usage is a certain time over ~95%. And it's not like I get back to my desktop every time, instead my pc is sometimes freezing and does an automatic reboot and then everything is normal back on desktop. So I thought it's because of my temps, but wasn't the solution: When playing GR Wildlands (~50 FPS) on mid-settings -> 98% GPU-Usage @steady 69°C | ~75% CPU-Usage @70°C. Well that shouldn't be a problem then.

 

I didn't overclock my gpu and just set the temp limit in Afterburner to 85 °C because that should be fine for this card. When it throws me onto the desktop and I can see Afterburner log, I can't see any bad behavior like spikes at the ending before the crash or something. My last thought would be, that the power of the psu is too low -> Because when playing Minecraft with Shaders and NO MODS(!) - gpu-usage 70 % - it's all fine for 5h and longer.

Does anybody know other solutions I could try, or should I just order a new psu?

 

Little More Info:

I'm using U-Connectors (5€ Amazon) for the 8-Pin and 6-Pin of my GPU because yeah.. beauty and stuff 😄

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Ïf it still happens if you set everything at default (no OC + default ram) then it's your PSU most likely. Recommended for gtx 770 is 550W.

CPU: i7 9700K@5ghz all core (silence + summer)

cache x47, AVX offset 0

Motherboard: Asus Maximus XI Hero

RAM: Patriot Viper Steel 2x8gb@3733mhz @jedec cl15

PSU: EVGA SuperNova 750 G3

Mon:  LG 27GL850-B, 144Hz Nano IPS - G-Sync compatible/Freesync

GPU: EVGA 1080ti SC Black Edition w/ G12 bracket

Sound: Odac + Fiio E09K

Case: Fractal Design R6 TG Blackout

Storage: MP510 960gb and 860 Evo 500gb

Cooling: CPU: Kraken X62 - GPU: Kraken X42(RIP) -> X53 (From RMA)

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I think it's the PSU too. I will try some settings today and tomorrow when I have time, but I will order a new one.

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1 hour ago, 3dgr9 said:

I'm using U-Connectors (5€ Amazon) for the 8-Pin and 6-Pin of my GPU because yeah.. beauty and stuff 😄

These tend to go on fire though, and it's much less beautiful afterwards...

F@H
Desktop: i7-5960X 4.4GHz, Noctua NH-D14, ASUS Rampage V, 32GB, RTX3080, 2TB SX8200Pro, 2x16TB Ironwolf RAID0, Corsair HX1200, Thermaltake Overseer RX1, Samsung 4K curved 49" TV, 23" secondary, Mountain Everest Max

Mobile SFF rig: i9-9900K, Noctua NH-L9i, Asrock Z390 Phantom ITX-AC, 32GB, GTX1070, 2x1TB SX8200Pro RAID0, 2x5TB 2.5" HDD RAID0, Athena 500W Flex (Noctua fan), Custom 4.7l 3D printed case

 

Dell XPS 2 in 1 2019, 32GB, 1TB, 4K

 

GPD Win 2

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Sounds like psu to me, probably its old and stuff.

 

Just get a good unit,  psu is the heart of any system. 

 

AMD stands for Advanced Micro Machines

-ColdFusion, 2021

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11 minutes ago, Mark Kaine said:

Sounds like psu to me, probably its old and stuff.

 

Just get a good unit,  psu is the heart of any system. 

 

Surely thought of that but somehow before a month I thought mh yes BeQuiet 400W System Power might be fine, don't know why.

 

Edit: 

Had a gaming session with 2h of Wildlands without (!) any crash... And then I pressed Esc and it crashed my PC... Wow

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-> Moved to Troubleshooting

^^^^ That's my post ^^^^
<-- This is me --- That's your scrollbar -->
vvvv Who's there? vvvv

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