I recently bought a second-hand GPU that seemed to work well at first, but I started experiencing crashes while gaming, specifically when playing Monster Hunter: World. The previous owner mentioned they mostly used it for light tasks and avoided pushing it hard. After experiencing crashes to the point where my PC would restart on its own, I decided to take it to a repair shop. They found that only one capacitor was functioning, but they indicated everything else checked out fine. They stress-tested it on their own rig, and everything seemed stable with good temperatures—hotspot maxing out at 60°C.
Since then, I've tried several fixes:
- Upgrading from a 500W to a 750W PSU (Tier C)
- Switching to a DisplayPort cable
- Having the GPU repasted and repaired
- Updating my BIOS
- Going through different GPU drivers using DDU
- Testing different cable ports
- Switching from the dedicated GPU to the integrated GPU
- Changing PCIe cables and ensuring they're locked in properly
- Checking for VRAM issues with OCCT (100% for 10 minutes)
I discovered that setting the refresh rate on my monitor to 180Hz or 200Hz might be affecting its performance. Here are my specs:
- Koorui G2411P Monitor
- AMD R7 5700G Processor
- MSI B550M PRO-VDH WIFI Motherboard
- Asrock RX 6600XT GPU
- 16GB (8x2) DDR4 3200 CL18 Lexar Thor RAM
- CoolerMaster MWE V2 750W PSU
When I use the integrated GPU, everything runs smoothly even at 200Hz, but my dedicated GPU only works intermittently at 120Hz before crashing again. I'm starting to wonder if the PCIe slot on my motherboard might be the culprit since I don't have another GPU to test with.
3 Answers
I agree with the sentiment that the PCIe slot might be worth investigating. If you have access to another motherboard or GPU, borrowing one for a quick test can help clarify the problem. Additionally, double-check all connections and ensure your PSU has adequate power for the setup you have.
It sounds like your GPU might still have some underlying issues, even after repairs. If you can run your iGPU without any problems, that’s a good indication that it’s not your overall setup. Have you checked if the PCIe slot is clean and properly functioning? Sometimes debris can cause connectivity issues. Also, since you mentioned the crashes occur more at higher refresh rates, maybe try lowering the refresh rate to see if that helps stabilize things until you figure out the real issue.
You might want to look beyond just the GPU. Running tools like memtest86+ or TestMem5 can help you confirm whether your RAM is causing any issues. A faulty RAM module might lead to crashes, especially under load. It’s worth testing your memory thoroughly just to rule it out before considering getting a new GPU.
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