Front USB Ports not Working - "Unknown Device" in Device Manager

heldmacm

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Jun 30, 2009
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Hello,

I recently put together a new computer, and in the process of of installing the USB 3.0 connector from the front of my GX500 case, I either bent numerous pins on the motherboard USB 3.0 header or the motherboard shipped that way and I inadvertently made matters worse. Anyway, that header on the motherboard is without a doubt unusable.

Since I don't really need the USB 3.0 functionality, I bought a USB 3.0 -> 2.0 adapter cable, connected one end to the connector on the front of the case and the other end into the USB 2.0/1.1 header on the motherboard. Unfortunately, when Windows boots and I plug a device into the front ports of the case, Windows detects the front USB ports as "Unknown Device" within Device Manager yet says the driver is successfully installed. I've already downloaded the most current Intel chipset drivers for my motherboard, deleted and reinstalled all USB drivers, and all rear USB connections are working perfectly fine - it's just the two front ports that are connected from the case to the USB 2.0/1.1 ports via the adapter cable. I've tried both USB 2.0/1.1 headers on the motherboard, and I've tried plugging in several devices to the front USB ports, and this problem still persists. I've ensured the connection inside the case is solid, yet I cannot get Windows to recognize the front USB ports. Any ideas?
 

heldmacm

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Jun 30, 2009
15
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18,510
Anyone have any ideas? I'm out of them, and I'm inclined to replace the cable in the event that's the problem, but I'd prefer to rule out any options I haven't considered (if there are any) before I do that.