I can't use tethering

Tethering isn't used correctly

See how to use tethering.

1 of 8 steps Connect the data cable to the socket and to your computer's USB port.
2 of 8 steps Press the menu icon.
3 of 8 steps Press Settings.
4 of 8 steps Press Wireless and network.
5 of 8 steps Press Tethering and portable hotspot.
6 of 8 steps Press USB tethering until the function is turned on.
7 of 8 steps An internet connection from the computer via your phone is automatically established.When the connection is established, you can access the internet from your computer.