For proximity-based authentication. How to Fix Missing Broadcom USH Drivers
Open , right-click the "Broadcom USH" device, select Update Driver , and point the search to the extracted folder. Compatibility Notes Support for Latitude E6420 | Drivers & Downloads | Dell US broadcom ush e6420
The Broadcom USH serves as a dedicated "daughter board" within the Latitude E6420 Go to product viewer dialog for this item. . It manages high-level security peripherals, including: For biometric login. For proximity-based authentication
Given this, the most plausible corrected interpretation is: It is not a simple USB device but
The "Broadcom USH" in the Dell Latitude E6420 is a critical security component that requires the driver suite to function. It is not a simple USB device but a security hub requiring both software drivers and occasional firmware updates to operate correctly for smart card and biometric authentication. Proper deployment requires installing the Chipset drivers followed by the ControlVault Driver and Firmware packages in sequence.