From Start menu, go to Control Panel.
In Control Panel click on Administrative tools.
Next open Computer Management, on the left side of the page click Device Manager.
In Device Manager, click Network adapters.
The name of your device should be listed, does it have a yellow mark next to it?
If so, you'll need to install the drivers for the device.
If you need help finding the drivers, please post the device name.
Edited by Queen-Evie, 30 November 2009 - 10:05 AM.