Unknown devices on your computer can be quite frustrating, especially when they prevent your computer from functioning correctly. An unknown device is the term used to describe a piece of hardware in your computer that doesn't have a driver installed, or that has an incorrect driver installed. This can happen for a variety of reasons, such as the manufacturer not providing a driver for the device, or the driver becoming corrupted or outdated. To fix the problem, you can try installing a generic driver, which may work for the device, or you can try to identify the device and then download and install the correct driver from the manufacturer's website. In some cases, you may need to physically remove the device from your computer and re-install it to fix the problem. In conclusion, dealing with unknown devices can be a frustrating experience, but with a little effort, it's possible to resolve the problem and get your computer working correctly again.