To use your Zebronics ZEB-USB150WF1 mini adapter on Windows 7, you must install the correct wireless LAN drivers. This 150 Mbps USB adapter typically uses either or MediaTek chipsets, and while it often includes a driver CD, you can also download the files manually if you don't have an optical drive. Driver Specifications
Sometimes the automatic setup file ( Setup.exe ) inside the downloaded folder may not launch correctly on Windows 7. In this case, you must force-install the driver manually. zebronics usb150wf1 driver windows 7