What happens if you short circuit a USB port?
When you short circuited the USB port, you likely destroyed the fuse completely. However, if all of your USB ports are not working then the USB controller is likely dead. But either way, your USB port(s) are not fixable as both components are part of the motherboard.
Can a USB cable short circuit?
The USB spec requires USB ports to hold up to a short circuit, and some do better than others. Some manufacturers meet the minimums and no more. Some go above and beyond.Jan 10, 2021
Can a USB short fry a motherboard?
After doing some research, it seems like case USB ports causing a short is fairly common. After removing the USB connection to the mobo, the same issue persists. Removing the GPU and all case connections, leaving behind only one stick of RAM and the CPU, the problem still persists.
How do I find a short in a USB cable?
The easiest way to check a cable for shorts is to push a mating USB jack on one end of the cable. The jack will have the solder connections sticking out so that it is easy to check for shorts on the cable with your multimeter.