So I'm not sure which effect it will have if any. Your Sharing preferences on the iMac look fine. It is possible to share Internet from Ethernet to Thunderbolt! Your gateway iMac Internet Sharing settings are ok: Share your connection from: Open Terminal on both Macs and enter ifconfig respectively. Internet Sharing via Thunderbolt bridge now appears to work see screenshot in updated post. I didn't do anything to make it happen, other than restart the computers once or twice.
mac - Internet sharing via Thunderbolt Cable? - Ask Different
So maybe there was something that was making the Thunderbolt connection unreliable, in this regard. It sometimes happens that TDM can't be invoked either, without restarting one or both of the computers. Sign up or log in Sign up using Google. Sign up using Facebook. In many respects, Wi-Fi has become a commodity, a necessity for the smooth functioning of business, academia, governments, and the media.
Thanks to Wi-Fi, we are more connected than ever before. Our music, emails, and even shopping are dependent upon it. There are a few ways to these problems.
A little background
At the time of the original version of El Capitan, a lot of users found they couldn't connect to Wi-Fi, which made it harder for Apple to release an update that included a patch solving this particular problem. In some cases, users had to download the updated version using a phone as a Personal Hotspot, which caused other problems, such as extra data costs. Unfortunately, as a result of the recent macOS High Sierra release , some users were experiencing the same problem.
One way to fix this is to switch your Wi-Fi off and back on again. At the same time, it may also be worth changing the name of your home or office network and setting a new password, which you can do through your internet provider.
If necessary, you should be able to do this through a mobile phone, and then check whether your Mac will connect again. Another way to work out whether the problem is the Mac or Wi-Fi itself is using an analyzer app. You may find that furniture and walls in your place are blocking or reducing the signal. When you are checking the results, it might be helpful to move your wireless router to a better location or ask if your broadband provider can install a signal booster.
Run a speed test on your internet. Dont leave any blank lines behind.
That is likely where you find the friendly name of your interface. That gets removed with the whole section. You will have to provide a password to allow this to be edited and saved.
Configuring your Mac's network settings
If it asked for permission to unlock the file, click unlock. After the reboot, insert the Thunderbolt Ethernet Adapter and give it a minute or two to show up in your Network Preferences. I hope this helps people out with the issue i was having.. Apr 13, 1: I struggled with this issue for some time as well, but arrived at a solution related to a few comments above. For me, Thunderbolt Ethernet appear 'not connected' not matter which settings I played around with and despite it being connected.
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It ultimately turned out to be directly related to location settings. When all were deleted, and I reverted back to 'Automatic', thunderbolt started working again. Mar 28, I had a similar problem connecting my 15in mid MacBook Pro to an Ethernet cable via the Apple Thunderbolt dongle, but I may have stumbled on a workaround. In System Preferences Network, I created a new location.
Still in System Preferences Network with the new location selection, I deleted all the "services" in the left window pane so it was completely blank. I then clicked on the plus sign at the bottom of the pane, selected "Thunderbolt Ethernet", then configured the IP address, subnet mask, router address, and DNS server address, clicked "Apply," waited a few seconds and Page content loaded. Oct 21, 9: Update - the same ethernet cable directly connected to thunderbolt port via "dongle" works as expected in Yosemite, without changing anything else.
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The bug seems to be with Yosemite's ability to detect the ethernet jack in the monitor itself through the thunderbolt connector. Dec 3, 2: Same issue and solution for me. I'm considering contacting Apple and asking for a free ethernet dongle, so that I can get the original functionality back of the screen.
How to fix Wi-Fi connection problems on a Mac
Dec 14, 6: Dec 14, 8: Firmware is not the issue. Mine worked before and after Yosemite was installed so you may have another issue. Jan 24, 4: I have the same problem with the display Ethernet connection. In addition to the Ethernet issue, there is no power coming through the lightning connection to my macbook pro so I have to connect my magsafe power cord to the laptop.
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What happened to Apple reliability and backing of its products and software! I am very disappointed to have purchased three 3 thunderbolt displays for my macbook at different sites and have such basic functions fail without supported remedy. I feel like I have stumbled into some PC related nightmare. This is not supposed to happen with Apple.
Jan 24, First, I have been unable to install thunderbolt 1. I tried installing from my old MacBook Pro after I recently updated its operating system and apps. It worked! I was able to install the firmware. Another problem I discovered yesterday was that the ethernet port from the thunderbolt would not connect to Ethernet.