Before you download anything, verify that the missing driver is indeed the Broadcom USH.
Leo refreshed Device Manager.
To install the driver, follow these steps: broadcom ush driver for dell latitude e6420
If you see a value that contains VEN_0A5C&DEV_5800 (or similar variations like DEV_5801 or DEV_5802 ), you have confirmed it is the Broadcom USH device. Before you download anything, verify that the missing
But there, in the heart of Device Manager, was the Yellow Triangle. Before you download anything