Select the setup .inf file, choose the HP UN2420 profile, and click to force installation. Step 4: Configure the Firmware Selection

The Gobi 2000 installs as . In Device Manager, you’ll see other “Unknown device” entries appear. Repeat step 3 for each, but match the INF file to the device type:

Do not install the Windows 7 HP Connection Manager app, as it often crashes Windows 10. Instead, navigate to your laptop's BIOS/UEFI settings by tapping F10 during startup. Ensure that WWAN / Mobile Broadband is explicitly checked and enabled under the System Configuration > Device Configurations screen.

Standard IDs for this module include USB\VID_03F0&PID_251D .

Windows 10 Fast Startup occasionally bypasses the initialization scripts needed to load legacy firmware into the UN2420 card. Go to Control Panel > Power Options > Choose what the power buttons do , unlock the settings, and uncheck Turn on fast startup .

The HP UN2420 Mobile Broadband Module is a Qualcomm Gobi 2000-based cellular modem. It allows older HP EliteBook and ProBook laptops to connect to 3G networks.

Check the box next to . Select Windows 7 or Windows 8 from the dropdown menu.

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