Question about PSU status or GPU, seems confusing. Got any suggestions?
Question about PSU status or GPU, seems confusing. Got any suggestions?
Hi, recently about a week ago my GPU began crashing when under heavy load, and the day before it stopped working during Windows login. I checked the power cable and discovered it had melted on the PSU side. I replaced it. Now, after plugging everything back in and turning on the PC, the PSU clicks and powers up again, but when I unplug my GPU it boots normally; however, connecting a monitor is still an issue because I can't get CPU graphics. While testing, I tried booting with my friend's GPU and got the same problem—no start-up. My concern is identifying the cause, since both work when not connected together. Thank you for any guidance. Thank you for the advice. Here’s my list of components (first time posting):
CPU: AMD Ryzen 5 5600x
CPU cooler: be quiet pure loop 240
Motherboard: Aorus X570i wifi
(latest driver available)
Ram: Corsair 2x16g
SSD/HDD: 2x 1t m.2
GPU: phoenix oc rtx 3070
PSU: cooler master 850w SFX (2-3 years)
Chassis: cooler master nr 200p
OS: windows 11
Monitor: 1440p 165hz TUF gaming
Please let me know if anything is still missing.
Welcome to the forums, newcomer!
When sharing a troubleshooting thread, it's important to provide your complete system details. Please list the specifications as follows:
CPU:
CPU cooler:
Motherboard:
Ram:
SSD/HDD:
GPU:
PSU:
Chassis:
OS:
Monitor:
Include the age of the PSU, along with its make and model. Also, note the BIOS version for your motherboard at this time.
I visited to replace the power cable and discovered it had melted on the PSU side.
A damaged connector is definitely not ideal, whether it's connected to the GPU or the PSU.
During troubleshooting, I attempted to turn it on with my friends' GPUs, but still didn't get a boot.
My question is: what caused this issue? Both devices worked when not connected together.
It seems the PSU may have failed.
If the power cable is damaged, the connector on the PSU might have heat-related issues (warped plastic casing, melted or blackened contacts). The circuit linked to the 12V PCIe feed for the GPU is likely affected.
The presence of over-current protection on both your GPU and your friend's GPU suggests a faulty PSU, so you should replace it.
If possible, try borrowing your friend's PSU and install it in your system.
No matter what happens, obtain a new PSU—any unit with a damaged connector should be discarded immediately.