To communicate with a device connected via universal serial bus (USB), a computer needs the driver, not just for the device itself, but also for the USB controller. Microsoft Windows uses USB ...

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 ...

If the USB hub is not working or is slow in Windows 11, reinstall the USB hub driver, disable power saving, disable the USB ...

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 ...

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 ...

This highly integrated USB device controller contains USB, serial and parallel protocol engines, eliminating any requirement for USB specific firmware development. The device supports IO interface ...

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 ...