Click the button “Apply” (located in lower right corner). Type in any name for the new location (e.g.Select “Edit Locations”, then click on the plus “+” button.Under the “TCP/IP” tab click the button “Renew DHCP Lease”.Click on “Ethernet” or 'Wi-Fi' in the list on the left, then click the button “Advanced” in the lower right corner.In the window that appears click Network. Click on the Apple logo (top left corner), click System Preferences.Release and renew DHCP lease (renew IP address) If you need to create a ticket for someone else to work on this, there is some information that we must have.You will need to obtain the OS version.Creating a new location, getting the IP, MAC address and running “arp -a'.Turning the network card off and on again.Typical troubleshooting steps on Macs include three main approaches: 3 Information that we must have in a ticket.1.4 Getting the IP address and MAC address and running 'arp -a'.1.3 Disable and re-enable the Network Card (NIC).1.1 Release and renew DHCP lease (renew IP address).

Mac ethernet problems