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Dennis Sellers

Dennis Sellers
488 posts
Contributing Author
Dennis has over 40 years of journalism experience and has written hundreds of articles. For the past 20-plus years, he's been an online journalist, covering mainly Apple Inc. He's written for MacCentral, MacWorld, MacMinute, Macsimum News, Apple Daily Report, and is now contributing editor at Apple World Today.
masOS Spinning Beachball Pinwheel

How to Force Quit a Frozen App in macOS Catalina

Sometimes a Mac app freezes up and you have to kill it. Well, not actually kill it, but you may have to force it to quit so you can relaunch it. Here’s how you use Force Quit an application in...

Printers and scanners with mac printer icon

How to Change the Default Printer on a Mac

In macOS, there’s a default printer by, well, default. It’s the one selected when the Print dialog opens. However, it’s easy to change the default printer — or change a printer’s name. Change Your Default Printer: Choose "Apple menu > System Preferences,"...

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