this post was submitted on 01 Aug 2025
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Chapotraphouse

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second monitor view:

some info:

  • this has only happened in one game (Total War Warhammer 3) and the card has been performing more or less fine otherwise, although i have been noticing some minor artifacting in stuff like Firefox.

  • my PSU is old as fuck and technically underpowered for the card (EVGA 750W gold from 10 odd years ago) and I'm also using a 2 head splitter cable to power two of the three 8 pin headers.

  • CPU is a 9900k which is certainly throttling this thing

my thoughts are to just buy a new PSU and see if that fixes it. i can RMA anytime so I'd rather wait and see. just wanted to hear some folks thoughts as this is stressing me out a fair bit

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[–] ragebutt@lemmy.dbzer0.com 23 points 5 months ago (1 children)

Power delivery is where I’d start

Pink blocks and static are somewhat indicative of faulty vram but you’ve got some bad power situations going on

Underpowered psu is obviously no good though 750W should barely cover a 9070+9900(unless you have like 80 hard drives or some crazy water cooling radiator or something). 850-1000 would give you more headspace for sure. 10yrs of use especially in high heat can drop transient voltage rating because capacitors age so the 750w might be more like 650-700w and that could be your issue there. Depending on the settings TW would totally push things so this could be it

Verify temps

After that eliminate the splitter - creates resistance and adds voltage drop/instability

After that driver issue - clean install

Quick checks for hardware fault - test in another machine if possible, see if artifacts show up in bios settings screen, run a gpu stress test like furmark and see if artifacting shows up very fast (though if you still have power delivery issues these might all fail so keep that in mind)

After that I’m out of ideas. Cable?

[–] imogen_underscore@hexbear.net 9 points 5 months ago (1 children)

thanks, appreciate the thought out response. ordered 2 new 8-pin cables to replace the splitter as a first shot.

[–] dumpster_dove@hexbear.net 9 points 5 months ago (1 children)

Is it a modular PSU? Be wary of connecting 3rd party cables directly to a PSU.

I'm no expert, but to my understanding PSUs have different internal setups that require specific cables.

[–] imogen_underscore@hexbear.net 6 points 5 months ago

yeah, they're third party but I did seek out ones that are supposedly made for this PSU.

[–] peeonyou@hexbear.net 4 points 5 months ago (1 children)
[–] TankieTanuki@hexbear.net 4 points 5 months ago (2 children)
[–] AernaLingus@hexbear.net 6 points 5 months ago (1 children)

It's on the "under no circumstances should this technology be sold to China list"

Damn, they lathed the export ban all the way back in '99

[–] peeonyou@hexbear.net 3 points 5 months ago

lol incredible

[–] crash_thepose@lemmy.ml 3 points 5 months ago

This looks cool as hell and I think you should keep it as is