If you see "The device could not be started (Code 10)," try uninstalling all previous WWAN drivers, restarting, and attempting the manual installation again.
to C:\drivers\un2420
Ensure the HP Device Access Manager is uninstalled, as it can conflict with Windows 10’s native cellular controls. No Bootable Device Found hp un2420 mobile broadband module driver windows 10 repack
| Issue | Likely Cause | Solution | | :--- | :--- | :--- | | (Unsigned driver) | Windows blocked the repack despite disabling enforcement. | Use bcdedit /set testsigning on (Test Mode). Reboot, install driver, then bcdedit /set testsigning off . | | Modem disappears after sleep | Windows 10 power management. | Device Manager → Right-click Gobi 2000 Modem → Properties → Power Management → Uncheck "Allow the computer to turn off this device." | | No "Cellular" button in Settings | The WWAN service is not active. | Open services.msc , find WWAN AutoConfig → Startup type: Automatic → Start the service. | | SIM card not detected | Dirty contacts or incorrect SIM size. | Use an eraser on SIM contacts. Ensure you are not using a SIM adapter from a nano-SIM; the un2420 requires a full-size Mini SIM (2FF). | | Driver installs but no GPS | Missing QC GPS driver. | In the repack folder, manually install qcgnss.inf as a "Legacy Hardware" (Action → Add Legacy Hardware → Install from list → Have Disk). | If you see "The device could not be
You might ask: “4G/LTE USB dongles cost $20. Why struggle with this?” | Use bcdedit /set testsigning on (Test Mode)
but always scan with VirusTotal before running.