Browse Tag

unknown usb device device descriptor request failed

1 Article

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,…