You have removed or added a new USB device to your office workstation and now an "Unknown USB Device" error is appearing. Device drivers supply the core software that ...

Use a lower generation USB port. Use a dock. Disable the xHCI Mode option in BIOS. Reinstall the Universal Serial Bus Controller drivers. Run USB Troubleshooter. 1] Use a lower generation USB port ...

This post lists the possible solutions to fix the Unknown USB Device, the Device Failed Enumeration error on Windows 11/10. When you connect your USB device to the ...

This document is an application note describing use of the USB peripheral communications device class driver (PCDC) with the USB basic firmware of Renesas USB MCU and USB ASSP.The program described ...

My Yoga 2 Pro running Windows 8.1 has given me issues with every external msata enclosure I've used. As I understand it, external msata enclosures have 2 controllers in them, separate 3.0 and 2.0 to ...

In Windows XP and all recent Microsoft operating systems, the Device Manager is the primary utility used to configure and modify hardware devices. If you are experiencing problems with the USB ports ...

In my last column [see LJ December 2002], we covered the serial layer in the 2.5 (hopefully soon to be 2.6) kernel tree. We mentioned in passing that a USB-to-serial driver layer in the kernel helps ...