A network adapter, also known as a network interface controller or network interface card, enables an Acer Aspire to connect to the Internet. Some network interface cards use Ethernet connections ...

Disabling the wireless adapter saves battery power when the computer is not connected to a Wi-Fi network. You do not need to disconnect from a wireless network before disabling the wireless adapter.

Next, expand the ‘Network adapters’ menu. Right-click on Network adapter and select ‘Uninstall Device’. Switch to ‘Action’ tab. Click it and select ‘Scan for hardware changes’ option.