If you’ll get yellow question mark on universal serial BUS controller inside device manager then your usb port will not work
Solutions : –
1 – Right click on Intel R universal host controller-2831
2 – then select “Update Driver”
3 – select “for the first time”
4 – Install “from a list of specific location (Advanced)”
5 – then choose “Don’t search. I will search and select the right driver”
6 – then choose from the list and it will install the usb driver.
Do the same for rest of the yellow marked usb inside device manager
Done !
I can reach at : durgacharanojha@yahoo.co.in