This is fairly rare, but it does happen when a major new update is released, and randomly on other occasions, as sometimes the update servers are overwhelmed, or simply down for maintenance or due to some issue on the server end.

It’s also possible that Apple’s software update servers are temporarily down, in which case just waiting a bit typically resolves the issue and the software update will show up again the next time the Software Update preference panel is loaded on the Mac.

If the internet is not working and nothing loads, the internet connection is the likely source of the problem, and you’ll want to get connected online before being able to see, download, and install software updates on the Mac. You can check this easily by opening Safari or a web browser and attempting to go to a web page on the Mac. The first thing you’ll want to do is make sure you have an active internet connection. We’ll walk through several things to check if you find the software updates are not showing up on the Mac, including determining if the Mac is online, if the software update servers are offline, and two different methods to refresh and reload software updates on the Mac.ġ: Check for an Active Internet Connection If you’re trying to update system software on your Mac but the update is not showing up in the Software Update control panel of macOS, you can typically fix the problem fairly quickly with a series of simple troubleshooting steps.

Apple mac server fax problems