Open the Device Manager. You may have to open the "network" category to find the link to it.
Look for hardware with a yellow exclamation mark. These are components that are not properly installed. Click portable devices, image devices or other devices.
Right-click on a yellow exclamation mark component.
Select "Update Driver Software".
Click "Search automatically for updated driver software". Make sure that your computer is connected to the network. Windows will attempt to find, download, and install the driver. If Windows is not able to find a driver automatically, read on.