I can't use tethering

Tethering isn't used correctly

See how to use tethering.

1 of 9 steps Connect the data cable to the socket and to your computer's USB port.
2 of 9 steps Press Apps.
3 of 9 steps Press Settings.
4 of 9 steps Press More settings.
5 of 9 steps Press Tethering and portable hotspot.
6 of 9 steps Press USB tethering to turn on tethering.
7 of 9 steps When the box next to the menu item is ticked (V), the function is turned on.
8 of 9 steps An internet connection from your computer via your phone is automatically established.When the connection is established, you can access the internet from your computer.