On the next screen, switch to TCP/IP tab and click on Renew DHCP Lease button.ĥ. On Network screen, select your Network ( Ethernet or WiFi) in the side-menu and click on Advanced.Ĥ. On System Preferences screen, click on the Network Icon.ģ. Click on Apple Logo in top menu-bar and select System Preferences… in the drop-down menu.Ģ.
#Mac ethernet connection self assigned ip mac
If your Mac appears to be connected to WiFi or Ethernet, but you are still unable to connect to internet, you should be able to fix the issue by renewing DHCP lease on your computer.ġ. If this fix works, you should find internet working properly on your Mac, as it starts using a valid IP Address on both WiFi and Ethernet networks on your computer. Power Cycle Modem/Routerīefore going ahead with other methods, disconnect the Modem/Router from its power supply source > wait for 60 seconds and reconnect the Modem/Router back to its power supply. While we do not recommend plugging the Luna hardware unit into any adapters or docks, using an adapter or dock for your Ethernet or Thunderbolt cable should not affect your connection through Luna.Luckily, in most cases the problem of internet not working on Mac due to “Self-Assigned IP Address” can be easily fixed. Here is Apple's support article for troubleshooting a Thunderbolt connection on a Mac.
check your cable to make sure it is Thunderbolt compatible.make sure both ends of the Thunderbolt cable are fully connected to each Mac, or router or access point.More Thunderbolt Connection Troubleshooting The connection status on the left side menu panel will also change to a yellow dot and labelled as "Self-Assigned IP". Once your primary Mac detects that it is connected to your secondary Mac, an IP Address will be shown in the IP Address section. In the left side menu, select Thunderbolt Bridge and ensure that Configure IPv4 is set to "Using DHCP".
On your primary Mac, open Network Preferences by going to System Preferences > Network, or by clicking on the Wi-Fi symbol in your menu bar and selecting "Open Network Preferences".
Make sure you are using a Thunderbolt cable, as regular USB-C to USB-C cables (like the Mac's charging cable) will not work. Troubleshooting the Thunderbolt ConnectionĪ Thunderbolt bridge needs to be established between your Macs before Luna can connect using a Thunderbolt connection. Here is Apple's support article for troubleshooting an Ethernet connection on a Mac.
If your devices are connected via Ethernet, the Status will change to Connected and the left side menu panel will either say "Connected" or "Self-Assigned IP" under the USB/LAN option. On your primary Mac, open Network Preferences by going to System Preferences > Network, or by clicking on the Wi-Fi symbol in your Mac's top menu bar and selecting "Open Network Preferences". In the Mac-to-Mac tab, change "Allow any network interface" to your preferred connection method: Connect via Wi-Fi only, Connect via Ethernet only, or Connect via Thunderbolt only. In your Mac's top menu bar, click on Luna Display then Preferences. You can also adjust Luna's settings so that Luna will only connect over an Ethernet or a Thunderbolt connection, instead of Wi-Fi. Luna should connect automatically if it detects an active Ethernet or Thunderbolt connection between your Macs. Why is my Ethernet or Thunderbolt connection not working? Mac-to-Mac Mode: Connect via Ethernet or Thunderbolt Only