It looks like you’re looking for a driver related to , Broadcom , and USH (Universal Shortcut Hub).
Here’s what that likely refers to and where to find the correct driver. USH stands for Universal Shortcut Hub . It’s a driver for Dell’s customizable keyboard shortcut keys (like the extra buttons on Precision, XPS, or Latitude laptops). The hardware is often manufactured by Broadcom (or sometimes Alps). driver dell broadcom ush
If you share your (e.g., Latitude 5420, Precision 5550) or the Hardware ID , I can point you to the exact driver link. It looks like you’re looking for a driver