Dennis Sellers

The Dock is the bar of icons that sits at the bottom or side of your screen. It provides easy access to many of the apps that come with your Mac. And the Stacks feature of the Dock in macOS...

By default, macOS attempts to join the wireless network it was most recently connected to. However, if you’re like me, you have a Wi-Fi network you use most often. This guide will show how you can set it as the...

If you often work with files in a specific folder, then it's worth designating the folder as the default folder with which every new macOS window automatically opens.  But first, a reminder not to confuse the Finder with the Desktop. The...

You can use your Mac laptop in closed-display mode (also known as “clamshell” mode) if you have an external display attached. Sometimes closed-display mode isn’t convenient. For instance, I have a 16-inch MacBook Pro connected to a 27-inch LG UltraFine...

I find an external display a great convenience when using my 16-inch MacBook Pro. This is why I have it attached to an LG UltraFine 5K display. (Though I have encountered flickering problems as I talk about here.) Some laptops...

I was having intermittent problems with my 16-inch MacBook Pro and LG UltraFine 5K display. It took me a while to come up with a solution. If you’re experiencing the same thing, I’ll tell you what worked for me. The...