According to u/Ambitious_Ladder1320, their RTX 5080 GPU flashed a red light while they were using their PC, which meant that a pin wasn’t seated properly. The user claimed that both GPU and CPU cables were connected properly, but to troubleshoot the issue, they switched off their computer and reconnected the GPU cable.

Melting cables are, once again, affecting high-end NVIDIA graphics cards, as a small selection of disgruntled GeForce RTX 5090 Founders Edition buyers and content creators take to social media to report unreasonably high temperatures radiating from its 600W connector.

A rising tide of speculators are arguing that Nvidia's 16-pin 12VHPWR standard is designed with no safety factor, causing melting cables.