If a Wi-Fi-only computer cannot connect to Ethernet, there may be several reasons:
< br >
1. Network card driver problem: Your computer may not have the Ethernet card driver installed correctly. You can check the network adapter in the device Manager to make sure that the Ethernet card is installed correctly and without any problems. If there is a problem or a driver is missing, you may need to download and install the latest driver from the computer manufacturer's official website.
< br >
2. Physical connection problem: Check whether the Ethernet cable is properly connected. Make sure the network cable is properly plugged into the Ethernet port on your computer and into the port on network devices such as routers\/switches. You can also try replacing the network cable or using another reliable connection to troubleshoot the physical connection.
< br >
3. Network configuration problems: Sometimes, the network configuration of the computer may cause it to be unable to connect to the Ethernet. You can try in the Network and Sharing Center of the Control Panel, select \"Change Adapter Settings\
< br >
4. Router\/Switch Settings: Check the Settings of the router or switch to ensure that the Ethernet port is not disabled or limited. You can also try replacing the Ethernet port on your router or switch to determine if it is related to a particular port.
< br >
5. Network failure: If the above steps do not solve the problem, it may be related to the network failure of the LAN or Internet service provider that you are connected to. Try connecting the same Ethernet port on another device, or contact your Internet service provider for troubleshooting.
< br >
If you are unable to resolve the problem, it is recommended that you contact the computer manufacturer's technical support department or network service provider for more professional help and support.
Is not my wired network card driver only wireless connection, you can install a network card driver on it.