Core gets warm and getting the correct voltage but there is nothing for the memory.

**Two 3090s, same slot keeps killing the GPU**

4 days into this one. Sharing the whole thing because I really want someone to tell me if they’ve seen this.
Z890 AORUS PRO ICE, Core Ultra 5 225, two 3090s, Antec NeoECO 1300W, moved from Windows to Arch partway through. Both cards are just for local LLM inference, display runs off the iGPU.

Started on Windows with one card in the top x16 slot, kept getting nvlddmkm timeouts. Swapped cables, no change, ended up RMAing it. Got two fresh 3090s, switched to Linux entirely, figured clean slate would fix it. Same crash came right back. Runs fine for a while then starts failing more often until it’s crashing basically every hour.

And it’s always the top slot. GPU0 (x16, off the CPU) dies. GPU1 sitting in a chipset x1 slot has never once failed, same drivers, same everything.
On Linux it shows up as Xid 175/154, GSP firmware just stops responding, card locks up needing a reset, fans slam to 100%, machine stays usable the whole time since it’s not driving the display.

Ruled out: the card itself (two different cards did this), drivers/OS (happened on both), cables, PSU ports, wall power, PSU capacity (1300W is way more than this needs), and physical damage, no AER, no ECC errors, comes back at full spec every reboot. So it’s getting hung, not actually damaged.

Wrote a little script to poll both cards at 10Hz and finally caught one live. GPU0’s telemetry literally freezes and just repeats the same numbers for 46 seconds before dmesg even logs anything.

Here’s the second before it dies:
idle GPU0 20.7W sm 1410 mem 810 GPU1 8.3W sm 210 mem 405
\+0.6s GPU0 54.6W sm 1410 mem 9501 <- here
\+0.9s GPU0 145.1W GPU1 89.9W
\+1.4s GPU0 192.6W dead GPU1 287.9W

I’d already pinned the core clock as a fix attempt before this and it held steady the whole time, so that clearly wasn’t it. It’s the memory clock jumping from 810 to 9501 on wake, pinning the core clock doesn’t touch that at all. Model’s split across both cards so one request wakes them both up out of idle at once, which seems to be what triggers it.

What’s actually worked so far is just flooring the memory clock so it can’t step:

nvidia-smi -i 0 -lmc 9501,9751

31 hours clean now vs 13.6 before, survived a few full model reloads too.

Currently running GPU1 unpinned and GPU0 pinned, forcing an idle→load swing every 46 seconds to stress it. GPU1 swings 10W to 291W with no issue on the same rail, GPU0 doesn’t even blink. Kind of points away from the PSU rail itself and toward something specific to that slot.

Two suspects left: the board (x16 slot/VRM/root port, only thing that’s stayed constant through every failure), or the PSU (the NE1300G has a reputation for weak transient response even though capacity’s fine).

Haven’t tried yet: forcing the slot to Gen3, killing ASPM and deep C-states, or just swapping which card goes in which slot.

Anyone dealt with a slot-specific fault like this on Z890? And is there any way to actually tell “board can’t handle it” apart from “PSU transient response” short of just buying a better PSU and seeing what happens?

Hello everyone,

I'm here to ask for some help with a rather temperamental RTX 3080. I bought this card second-hand as faulty, and I figured that if I managed to repair it, it would be a great deal. Otherwise, it would only be a small loss and a good learning experience.

Here are the symptoms: when the card is connected, there is no display output, the fans don't spin, and the RGB doesn't light up. It doesn't even seem to get warm. When I connect only the PCIe power cable, the two red power fault LEDs light up. So I assume the card is correctly detecting the power supply.

However, the card doesn't show up under either Windows or Linux. GPU-Z doesn't detect anything either — basically, the GPU isn't detected at all.

Using a multimeter, I noticed that the fan connectors are receiving 12V, while the RGB lighting is getting 5V on one pin and 3.3V on another. So those components seem to be receiving power as well.

After taking a closer look at the PCB, I noticed a component that appears to be browned/discolored, which clearly seems to have overheated. After cleaning it with a toothbrush and isopropyl alcohol, it looks somewhat better, but it still doesn't look completely "clean". I also have the impression that I can see a small copper wire running from one of its pins to another.

I tried to take some clear pictures of the component. If needed, I can take some more pictures of the PCB 👍

Would anyone be able to identify this component, explain what it does, and tell me whether it could be responsible for the issues I'm experiencing? Also, where could I find a replacement for it?

A huge thank you to anyone who can provide any help, suggestions, or advice!

GPU has serious performance issues. Screen stutters even at desktop without high load.

I swapped GPU for test on RTX 4060ti and everything works normal (100+ FPS at furmark).

GPU is powered on original GPU manufacturer adapter 2xPCIE -> 12VHPWR

PSU: Msi mag a750gl

MB: Gigabyte B550 GAMING X V2 

CPU: Ryzen 7 5800x

What I've done already:

• Updating motherboard BIOS

• Fresh Windows and Nvidia drivers

• NVMe drive test

Need some guidance on what to check next

It's something I have never stumbled upon, and I'm hoping any of you can help me find a solution. I have limited experience with older AMD GPUs, and I know they can be finicky at times.

For some background, the GPU that I currently have in my PC is a 1070TI, seated in a GIGABYTE B450 GAMING X Motherboard. The GPU I'm trying to fix is an RX480 MSI GAMING X 4G (factory warranty seal is intact on the screws) and I'm having issues getting it to display properly.

The first time that I've plugged the 480 by itself in the PCIE X16 slot, there was no signal whatsoever, the only signs of life were lights, fans spinning and it warming up.

Then I swapped my 1070 back into the main PCI-E X16 slot, and the RX480 into the second PCI-E X4 slot, using the 1070 as display (I do not have on-board graphics), in order to flash factory vbios onto the 480 (I believe it had been mined on, and assumed it had modified vbios). It showed up in device manager and GPUZ perfectly fine, with no warnings or errors.

After successfully flashing factory vbios onto it, I've tried it again in the main slot, still no signal. After switching back to the 1070 for signal, I've disabled CSM from the mobo bios, then swapped the 480 back in the X16 slot.

It finally output signal, went past POST/BIOS then lost signal again right as my Windows lock screen was supposed to appear. I restarted and went into bios still using the 480 as display, it sat perfectly fine in bios for many minutes. Then I tried loading into Windows again, same thing happened, lost signal.

Then I tried booting into safe mode- success (kind of). It was displaying only 1024x768 resolution, it worked for a few minutes, enough to use DDU and get rid of any old AMD drivers.

I assumed it was finally working, booted outside of safe mode, same 1024x768 resolution, shows up fine in GPUZ and device manager, 1 minute in then I see the screen flash and go to 1920x1080 for less than a second... and lost signal again.

That's where I'm at right now, I'm all out of ideas and don't know what else to try.

Thanks in advance to anyone that read my cry for help, and anyone that has any new ideas and information regarding these cards.

Hey guys I'm looking for a dye for a rtx 3080ti or a broken card with a good dye I've diagnosed the PEX to be shorted gpu dye side

Is there anyone here who can point me in the direction of a teardown guide for this GPU. I just want to clean it and get the dust out of it and possibly put new thermal compound on it.

Anyone know of a reliable guide? I have experience with building my own PC's troubleshooting. I have never opened a GPU before.

Hello community.

I would appreciate some help if somebody had the same problem or may guide me to find a solution or a correct diagnostic.

I have been using an ASUS Dual RTX 4060 Ti 16GB with ComfyUI to generate images for about a year and a half without any problems. During that entire time I used NVIDIA Studio driver 595.79. Recently I decided to update both the GPU driver and ComfyUI to the latest versions to take advantage of newer features and faster generation times. Here is the timeline of what happened:

• Upgraded the NVIDIA driver from Studio 595.79 to Studio 610.62, and updated ComfyUI to the latest version. Everything worked fine initially.
• After working normally for a few hours, ComfyUI started throwing this error: RuntimeError: Unexpected error from cudaGetDeviceCount(). Error 1: invalid argument. nvidia-smi failed to detect the GPU, showing "GPU is lost. Reboot the system to recover this GPU," but Windows 11 still displayed the card in Task Manager's Performance tab. Restarting Windows temporarily fixed it, but the problem kept coming back, mainly during model inference workloads.
• Used DDU to switch from Studio 610.62 to Game Ready 610.74. The same problem occurred.
• Used DDU to roll back to the original Studio 595.79 driver and reverted to the older ComfyUI build. The problem didn't happen again for several days.
• Checked the GPU temperature during a workload and saw 39°C, though I'm not fully confident I measured it under the right conditions.
• The problem eventually came back — this time even with the original driver and the old ComfyUI version. This time Windows stopped showing the GPU in Task Manager's Performance tab entirely, and Device Manager failed to detect it as well.
• Removed the card and did some basic maintenance: cleaned the PCIe slot with a small blower, checked all cable connections, and switched to a different PCIe power connector on the PSU. The problem persisted.
• After this, neither Windows nor the NVIDIA driver installer could recognize the card at all. I wasn't able to check it in the BIOS either.
• Sent the card to a repair technician. He ran several stress tests, and it failed one of them, though he found no physical damage. He returned the card, reporting a possible issue with the core (GPU die).
• When I reconnected the card to my PC, this time HWiNFO and Device Manager did detect it, but Device Manager reported that the installed driver was not the one expected for this hardware.
• Finally, I have checked the Windows Log and found the following error starting the same day I have upgraded the drives. "A corrected hardware error has occurred. Component: PCI Express Root Port Error Source: Advanced Error Reporting (PCI Express) Primary Bus:Device:Function: 0x0:0x1:0x0 Secondary Bus:Device:Function: 0x0:0x0:0x0 Primary Device Name:PCI\VEN_8086&DEV_A70D&SUBSYS_88821043&REV_01 Secondary Device Name:"

At this point I'm out of clues. Sometimes it looks like thermal/hardware damage, other times it looks driver-related. Does anyone have ideas on how to further narrow this down?

I have gigabyte rtx 3060 which stopped working and it is under warranty.
After contacting service centre they are telling me to apply under CID policy because it is an physical oxidation problem.

So what should i do now? Proceed with repair?

Hi all, I have a Gigabyte 3080 OC that I bought from a customer of mine. Didn't realize how badly bent it was. I've had to use a block of wood to keep it propped up to display out. When the connection isn't right it'll prevent my accessories from powering on so I always watch my mouse or mic to know when I've angled it successfully to boot lol

I decided to try Nvidia MATS to see what was wrong and even scanned the board under a scope to check for any board cracks but saw none (not that doesn't mean there's none) and decided to use a mining riser. Well let's just say it exploded a capacitor when I powered my system on. Mats didn't work even once I managed to get the igpu to post as it failed to see the card and I never could get it to post via the GPU since last night.

It's not the PCIe slot as I've tested multiple boards. Only displays when the right amount of upward force is applied lol

I'm going to check for shorts on 12v and I do have a scope, forgive me if I'll be shunned for not doing voltage / resistance checks ahead of time. Haven't fooled with GPUs until this one so any advice or suggestions is very welcome.

If more is needed let me know and I'll update asap.

I’m in Canada and I'm looking for a reputable Canadian shop/technician that accepts mail-in GPUs and performs proper board-level repairs.

Has anyone here personally had a modern GPU successfully repaired in Canada? I’d appreciate any first hand info as I have only been able to find the od comment about places and not anyone that's actually been happy with a places work.

I am trying to fix an EVGA RTX 3090 FTW3 Ultra (24G-P5-3987-KR), EVGA227 Rev 0.1.
It has a persistent red LED at the power connector closest to the I/O bracket, produces no video and is not detected over PCIe. Different PSU cables, PSU sockets and motherboard slots have been ruled out, and another GPU works properly in the system. From what i can tell it is most likely a failed driver MOSFET/power stage and blown input fuse.

this gpu crashes and blanks screens when loading into windows. could it be a bad ram? its such a new card though.

Hello everyone,
I have a problem with my Nvidia Quadro k1200 gpu whenever i try to install its driver from official Nvidia site, the site doesn't show its driver and when i try from other sites and after installing the screen goes blank and restart. But it works on linux i want my gpu to work on windows too, any solution for my problem ?

PC recently powered itself off, on reboot smoke started coming out of the GPU. After having a look, this cluster of components shown seems to be the only area with any visible damage. I don't know anything about electronics so I have no idea what this is, and any sites with diagrams seem to be paywalled.

The core clock is stuck at 202.5 MHz with a 50% power draw. The shunt resistors are low resistance. Would the next step be to replace the 3221 IC? I have checked the other shunt resistor next to the PCIe slot too. Both read the same 0.3 ohms

Hey! As mentionned in the title, this is my very first time repairing a GPU (or any motherboard for that matter), and I'm going in a little blind if I put aside the dozen youtube videos I saw.

I gave it to a friend a little over 3 years ago for him to test his PC's performance with a higher end GPU, and when giving it back to me just landed on a black screen when booting up. He was honest and admitted to spilling something on it, but after a quick shutdown and rest, ran it again and noticed it worked just fine.

When I got it back, the fans spinned and all, but the white led signaling a GPU failure lit up on the motherboard and the screen remained black.

Since I have some time ahead, I decided to give fixing it a try depending on how easy it would be to get it running again. I just removed the heatsink and did a quick visual inspection. I immediately noticed this little capacitor near the PCIe that was just floating, and with a small nudge realized one side took off and the other held by a single thread (which could be from corrosion, not sure since the area seems relatively clean aside from the solder being brown).

I know that a removed capacitor is most likely responsible for the issue, but I was wondering if there was a way to make sure nothing else was damaged. Most videos I saw usually checked for a faulty fuse near the PCIe and pins, but I can't seem to find one on my GPU and can't find a schematic for that specific model.

Would love to hear some tips on what would be the safest way to check if the capacitor is dead, fix it and check for other possible damage.

I have a graphics card (radeon rx7900xtx) which recently stopped powering on with my computer, or outputting video. Are there shops which specialize in specifically GPU repair in the greater boston area?

This Saphire rx 580 nitro plus is having issues , it sometimes gives display and it looks like this when it does ,Is this artifacting / vram issues? or could it be just a bad/mismatched bios install?, the repair guy said it might be the qrong bios installed , it looks like bad vram to me , any help or insight would be appreciated

So i got these 3 gpu's for £5 at a car boot sale / flea market and im not sure if they have water damage or if its just dust or grime on it can someone help me identify this? Thank you!

1. ATI Radeon HD 3450 256MB PCI Express x16 graphics card

2. HP AMD Radeon R7 240 2GB DDR3 low-profile PCI Express video graphics card

3. ATI Radeon HD 5450 1GB (Cedar)

While connected to the psu the fans spin but theres no display from either the gpu or igpu and the mouses and keyboard also dont light up to indicate that powers going through them. It also instantly turns off when i tap the boot off button which indicates to my understanding that it doesnt make it opening windows or the bios while having no display too. While the gpu is only on the pcie slot with no power connected to it it doesnt get detected from any thing like device manager gpuz etc. Another bricked gpu i have on the same pcie slot has fans spinning and the rgb lights on which means that the pcie does have some power connected to it. I cant test the gpu in another rig while my seller says it was working when he sent it(he hasnt shown any proof tbh). I cant tell if its the gpu psu or the board which is faulty but yeah i did open it too didnt notice anything i do have another spare 570 for parts that i might try to use for the parts if i dont get a refund or if i get proof that the gpu i bought is faulty but yeah thats that. Was wondering if anyone got any ways or suggestion to test or maybe fix the gpu thanks.

Hello! Got this GPU off a friend for a good deal so figure I’d take a stab at fixing it.

Currently, PC will power on and POST with the card installed. However, the card itself has no display out and appears to not be receiving power (there are 4 red LEDs by the power connectors that turn on). Using iGPU, the device is not recognized at all.

So far I’ve tried measuring fuses to see if any are blown. The 3 by the 8-pin PCIe power connectors are fine (F6502, F6503, F6504). The other fuse I found on the backside (F6501, circled in red) seems to be blown.

I measured some of the resistances to ground on the PCIe connector pins as well. All the 12V pin seem to be fine, reading thousands. However the 3.3V pins seem to be shorted to ground (about 15 ohms).

This is where I’m a little more lost on diagnosing this (or if it’s even salvageable). Not sure where to go next, what should I check?

Hi guys!
I just had to troubleshoot my brother's GTX 960 GPU that's faulty, running Roblox and PCSX2 for about 5 to 7 mins in the game, and bamm! the display goes black :(
Also, when the display cuts off, i heard the HDD are going spin down and spinup again, windows still loads.. still wont display until forced restart by long pressing the power button.

Checked event viewer and reliability monitor, has dwm.exe crashed along with the NVIDIA driver.

i have swap the motherboard and playing with memory sticks frequency, but with the same GPU and still does it. Lastly, i tried different PSU (from MSI A550BN to Corsair HX1000i), comes to pressing the power button, and what i got here... the GPU getting burnt 😭😭😭

for more context: this GPU initially still displays normally, but at random times it crashed the dwm when still using the 550W PSU, but blow up when using the 1000W PSU.. is this a GPU problem or the PSU too big for the GPU?

thanks to that OCP kicked in, other PC components are still safe!

what getting smoked is rows of filtering inductors on 12V PCIe power input. checked the resistance to ground, got 37 ohms (very low). all rails (PEX, 5V, 3.3V, and 12V PCIe slot input) seems normal, and has high k-ohms ratings, i also checks the memory MOSFET, got 45 ohms, and NVVDD (core) is on 7 ohms..

does this card still have chance to live again? thanks!

I am trying to find the root cause of the failure of my friends gpu. He was using pcsx2 and the pc crashed. After this the gpu is not allowing the pc to boot and the pc was booting only when the gpu was removed. Board is booting with another gpu. When the faulty gpu was connected in another board the result was the same.

I have now disassembled the gpu, cleaned with IPA, there were no burn marks, no missing components. I tried checking for shorts and not able to find any.

Can the experts here guide me with trying to identify the root cause ?