Connecting With A Cable; Built-In Network Feature - Acer Predator 21 X User Manual

42 - Connecting to the Internet
6. Once you select a wireless network, select Connect.
7. If required, enter the network's password.

Connecting with a cable

Built-in network feature

Plug one end of a network cable into the network port on
your computer, and the other end into a port on your router.