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Device Descriptor Request Failed

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Laptop showing Device Manager with Unknown USB Device and its Properties dialog displaying Code 43 and a failed USB device descriptor request.

Unknown USB Device (Device Descriptor Request Failed): Fixed

11 Min Read

“Unknown USB Device (Device Descriptor Request Failed)” appears in Device Manager when Windows fails to complete the USB enumeration process for a connected device. The error can show for a USB flash drive, an external hard drive, a keyboard,…