Without the Broadcom USH drivers, your notebook or PC will not be able to connect to both wired and wireless network. This is particularly for those whose network interface card is the one developed by Broadcom. The drivers help register the presence of this hardware resource which can then be used as the network interface. The Broadcom USH Driver E6320 are particularly meant for the Dell E6320 notebook. One will notice that the notebook will indicate unknown device under windows device manager and will not be able to pick up network connections. If you are using the Dell E6320, make sure that you have downloaded the Broadcom USH Driver E6320.