Plug your QHMPL USB adapter into a working USB 2.0 or 3.0 port.
Since Quantum (QHMPL) is a third-party manufacturer, you can find the necessary drivers through several channels: Qhmpl 0719 Lv Driver Download
If the automatic setup fails or you only have the .inf driver files, follow these steps: Plug your QHMPL USB adapter into a working USB 2
Right-click the Start button and select Device Manager . Qhmpl 0719 Lv Driver Download
Right-click the device and choose Update driver .
Check the Quantron Drivers page or the Quantum Service & Support portal for model-specific software.
Trusted third-party sites like DriverScape and TechSupportAll host direct download links for the QHMPL 150M and other 802.11n wireless adapters.