I have a gateway powerhouse notebook and I need to know how 2 use my samsungr810c mobile phone modem

i have a gateway powerhouse notebook and I need to know how 2 use my samsungr810c mobile phone as a modem to go online. my phone has this built in

The method of using your phone as a modem to connect a computer to the internet is known as tethering.

After doing some research online, the Samsung 810c does not offer tethering.

Translation: You can't.

Just because you can go online on a phone doesn't mean you can use that phone to connect a computer to the internet.