Go to the HP Customer Support page. Even if your specific laptop model does not list Windows 10 drivers, look for the Windows 8.1 driver package for the .
Microsoft significantly tightened driver signing requirements starting with Windows 8 and fully enforced them in Windows 10 (especially after Version 1709, the Fall Creators Update). The official HP drivers for the un2420 (sp51086.exe, sp62051.exe, etc.) were signed with SHA-1 certificates that expired in 2016. Windows 10 these drivers by default, refusing to load them even after a manual installation.
Right-click and select > Browse my computer for driver software .
Uncheck and click OK. "No Service" or Missing Cellular Toggle hp un2420 mobile broadband module driver windows 10 repack
Ensure your laptop contains the specific HP UN2420 (Qualcomm Gobi 2000) module. You can check this in Device Manager under "Other Devices" or "Network Adapters."
If you are still running an older HP EliteBook (e.g., 8440p/8460p/8560p) or ProBook with the module (Sierra Wireless Gobi 2000), you know the pain. HP stopped official support after Windows 7. Windows 10 often recognizes the device as an "Unknown Device" or fails to start (Code 10/Code 31).
Download the official HP driver package: (or SP48483) from a reputable driver archive. Do not double-click the file to install it. Download and install a file extraction utility like 7-Zip . Go to the HP Customer Support page
With these steps, your HP un2420 will once again report “Connected” in Windows 10’s network flyout—a small victory for legacy hardware in a modern world.
This article provides a comprehensive guide to installing the HP un2420 Mobile Broadband Module driver Go to product viewer dialog for this item.
Right-click the primary setup executable file (e.g., setup.exe ). Select from the context menu. Click on the Compatibility tab. The official HP drivers for the un2420 (sp51086
With the driver payload unpacked, you can manually point Windows 10 to the necessary files. Press and select Device Manager .
Navigate to your extracted repack folder ( C:\Gobi2000_Repack ), select the appropriate .inf file (usually named QCUSBNet.inf or similar), and click , then OK .