Using your phone as a modem (PAM) to connect your PC to the Internet is called 'tethering.'
If your phone has a built in modem, then you'll need the LG PC Suite on your PC in order to tether.
For detailed information on the PC Suite for your phone, go to:
http://www.mobilelink.mobi Although this is a website for mobile phones
you can still access it with your PC. Once on the site, scroll down.
In
order, you'll see links for - Search Engines - FixYa - Opera Browser -
then Most Requested Links.
In the Most Requested Links look for Cell
Phones. Under Cell Phones, click on the link that says PC Suites. All
the information you'll need for your phone is there. And, the download for the PC suite is free.