Not shown usb when we connect to pc via OnePlus Nord

  1. X1580233698613
    Cupcake Aug 29, 2020

    X1580233698613 , via OnePlus Nord , Aug 29, 2020 :
    dear frnz got error .
    when we connect Nord with pc. not shown and no notification on top bar your device is connect or not , I don't no how to it working.
    becouse it just purchased 28 aug