If you are unsure which version you need, you can verify the hardware ID in Device Manager: Right-click the entry and select Properties .
The Broadcom USH is a security module that integrates various security functions into a single chip. It's designed to provide a secure and manageable platform for businesses to deploy and manage their laptops. The USH module includes features such as: broadcom ush dell e6420
When an E6420 was wiped and reimaged with a fresh copy of Windows, the Broadcom USH would frequently appear in the Device Manager under "Other devices" as an "Unknown Device." This occurred because the standard Windows driver libraries did not include the proprietary protocols necessary to communicate with the hub. To resolve this, technicians were required to install the Dell ControlVault driver package. This software did more than just provide a driver; it created a secure digital "vault" that isolated authentication processes from the main operating system, providing a higher level of security against malware attempting to intercept keystrokes or biometric data. If you are unsure which version you need,