Well, nothing to worry about, to fix unknown USB device (device descriptor request failed), you can change the USB selective suspend settings. To do so, you need to follow the below steps:
At first, open the control panel and make a tap on power options
After that, select the option ‘show additional plans’
Next, click on the “change settings that are currently unavailable" option.
Now, select the high performance & make click on ‘change plan settings’
After that, choose the options Change advanced power settings >> change settings that are currently unavailable
Finally, locate the USB settings and then make a tap on it. Expand an USB Selective suspend settings. Disable On battery and plugged in.