If 3.28.1 is installed, and no WiFi is available, will have to use a WiFi adapter to connect to the Internet, in order to download kernel version 3.28.2, which addresses the Ethernet issue across all Macs.Īpple offers a number of steps to take in order to regain connectivity, as outlined in their support page: The kernel version responsible for the issue is 3.28.1, and in case the Ethernet connection is not working, Apple recommends to check System Information and see what kernel version is installed. The issue doesn’t affect WiFi, Bluetooth or other types of wireless connectivity, and Apple was quick to respond with a fix for the incompatible kernel version configuration data.
Late last month, owners of MacBook Pro laptops, and especially Mac Mini, and iMac Retina users, may have noticed being unable to connect to the Internet using a wired Ethernet connection. Now your older OS installer thumb drives will work! Just remember to re-set the Date back to the correct year and set it back to auto.Ethernet not working on your mac? Here is a fix. The trick is back dating the systems clock! Alter the Date & Time setting from auto set to manual and then alter the date to a year that is within the given OS’s release window. Not to fear! You can still install the OS. Some Internet recovery images likewise have not been updated. In all of these just jump down to Step 4 to get to the URL link for the OS image.Īpple did not alter the older images in their downloads. The issue you face with the newer macOS’s is Apple didn’t update the certificate which is why this has become more of an issue as of late.
As an example I had to re-install Lion for someone as they just didn’t want anything newer (90 year old lady) who just didn’t want to relearn how to do things or have the will to update her apps. You’re hitting an expired certificate issue! Here’s more on it If you've got an old macOS install image, it will probably stop working todayĪpple has been doing this for years! You mostly on hit this issue on systems which can’t support newer OS’s.
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