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Almost every time I plug in a USB device, it will lock my computer up, leaving me with a completely unresponsive black screen, with everything in the case still operating (fans, drive, lights, etc). I caught on and realized static shocks were causing the issue. If I take the USB tip and tap it against the metal case, releasing the static, and THEN plug it in, I never get the issue.

My question is how could I fix this? It occurs with every single USB port on my tower: rear mobo ports, PCI adapter ports, case (plugged into headers) ports, and hubs plugged into any of the above. I had the idea of connecting a wire to the metal frame of each port, and connecting that to the case, grounding them, but I'd have to do this to every single port I have. Is there one central place (I'm guessing somewhere on the mobo) where the issue might lie?

I have a GA-MA785GM-US2H mobo, CoolerMaster RC-310 case.

MoonSire
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user1362548
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1 Answers1

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I had this issue a while back on one of my old computers. I never pinpointed the source. About a year ago I tore the PC apart, cleaned all the components, and then put everything back together with zip ties to ensure there would be no cross-signaling on any wires. The problem has never come back. I suspect a wire may have been laying where it shouldn't have been, or possibly just an IRQ conflict given the age of the board.

Josh Campbell
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