Just caught a catchy tune followed by some smoke.
Just caught a catchy tune followed by some smoke.
Hello, yesterday I began setting up my PC as usual and upon logging in I noticed a Windows notification I’d never seen before: “USB device malfunctioned, USB device no longer detected.” I verified that all my peripherals still functioned properly, which left me puzzled but I dismissed it and moved on. Later, I had to install the latest AMD GPU drivers. After completing that, I was confused because the system didn’t ask for a restart as it usually does, yet I did so myself. When the PC came back online, I opened a game and after about two minutes heard a pop followed by smoke coming from the rear I/O area of the motherboard. The computer shut down, and I left it off for a while before trying to power it back on. Assuming the issue was with the power supply, I thought it might have been a PSU problem. However, since the smoke originated from the I/O section, I’m unsure if the USB malfunction was actually related to that port shorting out. I don’t have much experience troubleshooting PSUs or USB ports, and I’m worried about potential damage. Any advice would be greatly appreciated!
Capacitors can fail in unexpected ways, causing parts to malfunction and eventually fail over time. After a fault occurs, the issue isn't resolved, and the system experiences higher voltages that damage components. It wasn't a wise decision to proceed without diagnosing the problem first. This marks my final message here.
A loud pop and smoke indicate a hardware issue that requires attention. Fortunately, your PC wasn’t destroyed, but avoid using it until the cause is identified. This problem is likely to worsen damage. You don’t need to power on the machine for this check—disassemble it and examine each component for signs of burn or failure. Alternatively, take it to a repair shop. Once you determine the faulty part, you can begin replacing components and assess what remains functional. Good luck!
I appreciate your message. I'll take care of it right away when I have the opportunity.
If there are internal fan controllers linked via USB2, they might also malfunction. You won’t notice it immediately. Even the USB ports in your cabinet can be affected. If you can identify the issue by its odor, it’s likely due to a burning component that lingers.