What to do if Ethernet has no internet

Solutions to Ethernet without internet include checking the physical connection, restarting the network device, checking the IP configuration, resetting the network settings, updating the network card driver, checking the firewall and security software, contacting the network service provider, etc. Detailed introduction: 1. Check the physical connection, make sure the Ethernet cable is correctly connected to the computer and router or modem, make sure the cable is not damaged or loose, try to replace the cable to eliminate the cable fault; 2. Restart the network device, turn off the router or modem and computer , wait a few minutes, restart the router and so on.

The operating system for this tutorial: Windows 10 system, DELL G3 computer.

When your Ethernet connection says "No Internet", there could be a network issue due to a number of reasons. Below I will explain the possible causes and solutions in detail.

1. Check the physical connection:

a. Make sure the Ethernet cable is properly connected to the computer and router/modem. Make sure the cables are not damaged or loose.

b. If possible, try to replace the cable to eliminate the cable fault.

2. Restart the network device:

a. Turn off the router/modem and computer.

b. Wait a few minutes and then restart the router/modem to make sure it boots up completely.

c. Restart the computer and check if the Ethernet connection is restored.

3. Check the IP configuration:

a. In Windows 10, press the Win X key and select "Network Connection".

b. In the "Network Connection" window, find the Ethernet connection, right-click and select "Properties".

c. In the "Network Properties" window, find "Internet Protocol Version 4 (TCP/IPv4)" and double-click to open the properties.

d. Make sure the "Obtain IP address automatically" and "Obtain DNS server address automatically" options are checked. If they are not checked, select them and click OK.

4. Reset network settings:

a. In Windows 10, press the Win X key and select "Command Prompt (Administrator)".

b. In the command prompt window, enter the following command and press the Enter key:

      netsh winsock reset
      netsh int ip reset
      ipconfig /release
      ipconfig /renew
      ipconfig /flushdns

c. After executing the above command, restart the computer and check whether the Ethernet connection is restored.

5. Update the network card driver:

a. Visit the computer manufacturer’s official website, download and install the latest Ethernet network card driver.

b. After installing the driver, restart the computer and check if the Ethernet connection is restored.

6. Check the firewall and security software:

a. Check the settings of the firewall and security software to make sure they are not blocking the Ethernet connection.

b. If necessary, temporarily disable the firewall and security software and check whether the Ethernet connection is restored.

7. Contact the network service provider:

a. If none of the above methods can solve the problem, it may be caused by a problem with the network service provider. You can contact your network service provider to report the issue and seek further support and solutions.

It should be noted that these methods are only common solutions, and specific solutions may vary depending on individual circumstances. If the problem persists, it is recommended to contact professional technical support personnel for further assistance and support.

To summarize, when the Ethernet connection shows "No Internet", you can try to check the physical connection, restart the network device, check the IP configuration, reset the network settings, update the network card driver, check the firewall and security software, or contact your network service provider to resolve the issue. If the problem persists, it is recommended to seek professional technical support.

The above is the detailed content of What to do if Ethernet has no internet. For more information, please follow other related articles on the PHP Chinese website!