Look for Qualcomm Gobi2000 Mobile Broadband Drivers, often listed as version 2.0.7.3 . Step-by-Step Installation Guide

Point it to the extracted folder in C:\SWSetup and ensure "Include subfolders" is checked. Troubleshooting Common Issues

or ProBook to Windows 10, you might have noticed a frustrating "Unknown Device" in your Device Manager. While HP doesn't officially support Windows 10 for the un2420 module, you can still get it working with a few manual steps. The Compatibility Challenge HP un2420 Mobile Broadband Module

Before diving into driver installation, understanding why your Windows 10 update broke the functionality is crucial. The HP un2420 is based on chipset. HP released its last official driver package for this module in 2012, designed specifically for Windows 7 and Vista.