Cheap plastic casings can cause physical connection breaks. Try a different USB port on your machine.
If you need to get your KY-888 USB to Ethernet adapter working, you typically need to install the ASIX AX88772 driver, which is the actual chipset powering the device. Finding the right driver can be tricky because the KY-888 is a generic, unbranded hardware model sold by various third-party manufacturers. 🔌 What is the KY-888 USB Ethernet Adapter? ky-888 usb ethernet driver
Linux systems have natively supported the AX88772 chipset for over a decade. Simply plug the device in. Cheap plastic casings can cause physical connection breaks