It looks like you’re looking for a driver related to , Broadcom , and USH (Universal Shortcut Hub).
If you share your (e.g., Latitude 5420, Precision 5550) or the Hardware ID , I can point you to the exact driver link.
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).
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