Relaunch System Preference and go to Network.ĭ-6. Restart macOS then reconnect Ethernet cable to the Dock. Make a copy of “ist” in case you need to roll it back.ĭ-4. Navigate to: Library > Preferences > SystemConfigurationĭ-3.
At the top Apple main menu, click on “Go” and then “Computer”. Close System Preference and disconnect the Ethernet cable from your Dock.ĭ-2. If you have multiple Thunderbolt Docks or if you see your network preference has a long list of “Thunderbolt Ethernet SlotXXXX”, but none of them showing “GREEN” connection dot, you can delete that long list and re-create a new one by the followings:ĭ-1.
If the connection dot is “Orange”, it could be DHCP associated problem, please check item #B above or remove this network service and re-create another one. Wait few seconds and see if the connection dot becomes green.Ĭ-5. Once new service has been created, you need to hit “Apply” button. Re-create a new network service that is associated to the Thunderbolt Station by clicking on the “+” button. Remove all the Thunderbolt Ethernet Slots.Ĭ-4. To do that, you can go to “System Preferences” -> “Network”, choose the Thunderbolt Ethernet Slot X from the service list and click on the “-” (Delete the selected service) button on the bottom left, then click on “Apply” button on the bottom right. You may need to remove unused and current Ethernet services that are associated to the Thunderbolt Station. Please try another Thunderbolt cable if possible.Ĭ-3.
MAC ETHERNET PORT DRIVER
If not, it could be cable, driver or hardware failure.Ĭ-2. You should at least see the LED lights on the Ethernet port. Make sure it has good contact to the Station.
MAC ETHERNET PORT UPDATE
If you are in a complex network environment, for example, School, please contact your network Admin to unblock Ethernet Mac address or update DHCP server setting.Ĭ-1. Sometimes, the incorrect DHCP server setting would prevent your router from communicating to the Ethernet controller.ī-4. You may need to check your DHCP server in router setting page. Please try another Ethernet cable if possible.ī-3. Make sure it has good contact to the router. Update your Mac’s firmware including SMC to the latest version. You will need at least OX 10.8.4 or above to support Ethernet controller and macOS 11.4 or above to support TS4.Ī-2. Please try to update to the latest OS X and restart computer.
If you are experiencing unstable Ethernet connection in macOS, please try the following:Ī-1.
MAC ETHERNET PORT HOW TO
This tutorial is to guide you on how to troubleshoot an unstable or slower Ethernet connection in macOS.
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