In device manager, you will find the usb composite device is not compatible with windows 10, 8, 7, it shows a yellow exclamation. you need to update usb composite device driver for your system.. A usb composite device is a single gadget that has the ability to perform more than one function. like a keyboard and mouse combo , this message means that the windows driver needed to get your wireless combo mk270 is missing.. In the device manager, such printers show up as usb composite devices in all cases and their properties can be anything from “this device cannot start (code 10)” to “operation failed” or “the requested operation failed“..
A usb composite device is a single gadget that has the ability to perform more than one function. for example, there are machines that perform the function of both a mouse and a keyboard. to provide full functionality, a driver and a usb 2.0 slot will be needed to complete the operation. installing. Method 4: check your usb device drivers your usb ports not working problem is probably being caused by driver issues. the steps above may resolve it, but if they don’t, or you’re not confident playing around with drivers manually, you can do it automatically with driver easy .. Way 2. update usb composite device driver automatically. sometimes microsoft cannot detect the update for you, in such case you need to find another way update the driver..