Downloads PROGRAM LG EV -DO USB MODEM LDU-800

You will have to open up your network connections

click start control panel network connections this may vary depending on your operating system look for local area connection if you see a red X or a yellow exclamation or question mark ! ?
you will need to update or install the driver or it could be firewalled

click start control panel administration tools computer management device manager scroll to network adapters should see a yellow question mark? right click install drivers
the driver might be on the disc supplied by your ISP internet service provider
or the motherboard disc or you might download one if you dont have on a disk
http://download.cnet.com/lg-cdma-usb-modem/3000-2109_4-66208.html

http://download.cnet.com/lge-cdma-usb-modem/3000-2109_4-63041.html

hope it helps