Hi Rishabh14,
Welcome to Dell Community. Are you installing the correct drivers? If not, please download and update the drivers form here. If you are not able to update the drivers from the provided link, please run the test on “Communication Devices” in PC Checkup.
Note: PC Checkup is part of the Dell Support Center Application. To run PC Checkup you must install Dell Support Center application. Click here to download and install Dell Support Center application.