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How to fix Ethernet problems after a recent Mac security update

Anthony Bouchard ∙ Updated February 7, 2017

As my colleague Christian reported on Saturday, some Mac models have been plagued by non-working Ethernet ports after installing a new security update outed by Apple. Although a lot of modern Macs don't even have an Ethernet port, many models still carry it and many people still love using a wired internet connection because it's faster, more reliable, and more secure than a wireless network.

The security update, known as "031-51913 Incompatible Kernel Extension Configuration Data 3.28.1," reportedly blacklists the Broadcom BCM5701 driver used by the Ethernet port that comes standard on many Mac machines.

Fortunately, there's a light at the end of the tunnel for anyone experiencing issues with their Ethernet ports after installing this security update. Apple has issued a support document on Sunday that notes how to fix the problem. In this tutorial, we'll go over the steps to fix the problem yourself.

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Recent OS X security update has disabled Ethernet port on some iMacs and MacBook Pros

Christian Zibreg ∙ Updated October 17, 2024

In squashing software bugs, you inevitably introduce new ones—that's a fact of life. According to a thread on Reddit, Apple's recent OS X security update has inadvertently disabled the Ethernet port for some owners of Apple's all-in-one desktop and the MacBook Pro notebook.

Making matter worse is the fact that Apple pushed this security update via the silent updating mechanism, according to a poster on Reddit who probably enabled the option in System Preferences → App Store that prompts OS X to automatically install system data files and security updates.

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How to customize the look of Terminal on Mac

Anthony Bouchard ∙ Updated November 9, 2025
Terminal window in four different colors

Many people use Terminal on their Mac to carry out the commands they want to use to make changes on their system, and by default, it’s a plain white interface with black text. Because this is simply boring, we’re going to show you in this tutorial how you can colorize the Terminal window to look exactly how you want it to.

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How to repair Mac disk errors in macOS Recovery Mode

Christian Zibreg ∙ Updated October 17, 2024

macOS on your Mac includes a disk-repairing app, called Disk Utility, which you can use to scan your connected drives for errors, erase a disk, repair disk permissions, check the disk's structure for physical errors and more.

But what can you do, if anything, should your Mac experience issues preventing it from starting up properly? Not to worry, our friends, because macOS lets you launch a standalone version of Disk Utility from your Mac's built in recovery partition.

In other words, macOS' Recovery Mode gives you a chance to repair a malfunctioning startup disk that prevents your Mac from booting properly.

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Rumor: Photos app in iOS 10 and OS X 10.12 should be on par in terms of features with iPhoto

Christian Zibreg ∙ Updated February 7, 2018

A report yesterday by the fairly accurate Japanese blog Mac Otakara claims insider knowledge of an improved Photos app in Apple's upcoming iOS 10 and OS X 10.12 operating system refreshes that, as per sources, should gain new features putting it on par with the discontinued iPhoto app.

Apple was somewhat criticized for its decision to discontinue Aperture and iPhoto in favor of the new Photos app, which took almost a year to gain support for third-party image editing filter and effects on the Mac.

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The different Mac startup tones and the problems they indicate

Anthony Bouchard ∙ Updated October 4, 2018

The infamous startup tone that the Mac is known for when you turn it on isn't just a sound, but is actually a very important part of your Mac's boot up process.

Unless your volume is turned all the way down, not hearing your startup tone at the time you power on your Mac may indicate a problem with your machine. Additionally, unusual startup tone sequences are also indicative of a problem with your Mac and will require troubleshooting to resolve.

In this piece, we'll attempt to outline what all the different scenarios of the Mac startup sounds mean to give you better understanding of what to do should you ever end up in a situation where your Mac's startup tone doesn't sound right.

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Reclaim your productivity from distractions with Focus for Mac

Anthony Bouchard ∙ Updated September 25, 2018

If you're like me, then you probably have a hard time focusing on what needs to be done and you often multitask with fun activities when you should be focusing on homework or work. For example, instead of writing those essays due for your next class or finishing work, you might be playing around on Facebook with your friends or watching YouTube videos.

If you're the unproductive or procrastinating type, then a useful OS X app called Focus could be just what you need to stop getting distracted by social media and other fun websites.

Focus will help ensure that you only stick to the task at hand when you need to work or complete homework, and in this piece, we'll show you how it works.

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Troubleshooting common software issues on Mac

Anthony Bouchard ∙ Updated June 7, 2019

It happens to the best of us – one day you're using an app that you really enjoy on your Mac, and the next, you start experiencing all kinds of problems with the same app. What's going on? Will it ever end?

Before you go calling support to resolve a problem for you, there are some easy troubleshooting steps you can take in macOS to quickly determine if the problem is going to require help or not.

We'll go through some of those troubleshooting steps with you right here in this tutorial.

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Report: Siri for Mac coming this fall via OS X 10.12 software update

Christian Zibreg ∙ February 24, 2016

This fall, Mac owners will at long last be able to converse with Siri as the voice-activated personal assistant makes its way into OS X 10.12, the next major release of Apple's mobile operating system that powers Mac desktops and notebooks.

According to 9to5Mac's reliable Mark Gurman, “Apple currently plans to use its next major release of the Mac operating system this fall to continue to expand Siri across its product lines.”

The news will no doubt make Mac owners happy. Siri, which debuted in 2011, is currently available across the iPhone, iPod touch, iPad, Apple Watch and the new Apple TV. It makes a lot of sense to bring Siri to the Mac given that processing power and battery life on desktop is much better than on mobile devices.

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