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Usb malfunction The usb ports on the back of my computer are suddenly not working. I had a few things attached (usb hub, external drive, printer) and I have tried all these in a laptop and they're all working fine. Whenever I plug in a usb now, a message comes up saying that the usb has malfunctioned and is not recognised by windows. it implies that the usb I've connected is at fault, but it's not. The device manager says they're working fine and the troubleshooting section didn't help. Everything was working fine a few days ago, does anyone have any ideas for me to try?

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The USB ports have gone bad. Just because they show up in device manager as being recognized does not mean they are working correctly. They are controlled by chips onthe motherboard and if one of those chips has gone bad, then they just won't work. The cheapest solution would be to purchase a USB card and install it, bypassing the onboard ports. Thanks and please take a moment to give this solution a rating of fixya. Thanks! :c)

Posted on Dec 29, 2008

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