A workstation has just been installed on the internet LAN but cannot communicate with the network , what should you do first?

First, you should check the network connection to ensure that the workstation is properly connected to the LAN. Make sure that the Ethernet cable is securely plugged in and verify that the network port on the workstation is enabled and functioning properly.

If the physical connection is fine, you should then check the IP settings on the workstation. Ensure that the workstation is assigned a valid IP address within the range of the LAN. You can do this by checking the network adapter settings on the workstation and verifying that it is set to receive an IP address automatically (via DHCP) or manually assigned with the correct subnet and gateway information.

Additionally, you can try pinging other devices on the LAN to see if there is any connectivity. If you are unable to ping any other devices, there may be an issue with the network configuration or firewall settings on the workstation.

If these basic troubleshooting steps do not resolve the issue, you should consider checking the network infrastructure such as switches, routers, and firewalls for any possible issues or configuration problems. It may also be helpful to consult with the network administrator or IT support for further assistance.

If a newly installed workstation cannot communicate with the network, there are a few troubleshooting steps you can follow. Here is what you should do first:

1. Check physical connections: Ensure that the workstation is properly connected to the LAN. Verify that the Ethernet cable is securely plugged into both the workstation's network port and the LAN switch or router.

2. Confirm IP settings: Make sure the workstation is configured with the proper IP settings. Check the IP address, subnet mask, default gateway, and DNS server settings. These can typically be found in the network settings or TCP/IP properties of the workstation's operating system.

3. Verify network adapter: Ensure that the network adapter of the workstation is enabled and functioning correctly. You can check this in the device manager of the operating system. Look for any warning signs or error messages related to the network adapter.

4. Test connectivity: Use the "ping" command to test if the workstation can communicate with other devices on the LAN. Open a command prompt and enter "ping <IP address>" or "ping <hostname>". If you receive a response, it indicates that the workstation's network connectivity is working.

5. Check firewall or security settings: Evaluate any firewall or security settings on the workstation that may be blocking network communication. Temporarily disable the firewall or security software to see if it resolves the issue. If it does, adjust the settings to allow the necessary network communication.

By following these steps, you can start troubleshooting the connectivity issue for the newly installed workstation on the LAN.