What is PWR-CABLE-MELT?
PWR-CABLE-MELT shows up as a critical-severity power supply unit (PSU) fault. The plastic connector (typically 12VHPWR or older PCIe) has melted due to contact resistance. This usually traces back to too much bent cable (in a small space) and low quality pins. Work through the steps below in order.
Common Causes
- Not clicked connector
- Too much bent cable (in a small space)
- Low quality pins
Step-by-Step Fix Guide
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1
Stop using your PC immediately
We'd suggest Stop using your PC immediately first — it's the fix most often responsible for solving PWR-CABLE-MELT outright.
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2
Replace the wiring (use only cables from the source manufacturer!)
If it comes back, the next steps in the sequence are there specifically for atypical psu instability cases.
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3
Thoroughly clean the port on the GPU and make sure it is not burnt
"Thoroughly clean the port on the GPU and make sure it is not burnt" is the next step worth ruling out for PWR-CABLE-MELT.
Commands & Diagnostics
wmic path win32_videocontroller get name
Frequently Asked Questions
PWR-CABLE-MELT is most often triggered by not clicked connector. Other reports point to too much bent cable (in a small space) and low quality pins as contributing factors.
Try "Stop using your PC immediately" first — it resolves most PWR-CABLE-MELT cases on its own. Only work through the rest of the guide above if it comes back.
Yes — PWR-CABLE-MELT is a critical-severity error and can lead to data loss or hardware damage if it's ignored. Don't put off the fix steps above.
Usually. PWR-CABLE-MELT is fixable with the steps above; a full Windows reinstall is rarely necessary unless everything else has failed.
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