Glenn FleishmanSenior Contributor, Macworld

Glenn Fleishman is the author of dozens of books, including his newly released Take Control of Your Apple ID, a guide to troubleshooting Apple ID problems and managing security and the features. He's a senior contributor to Macworld, where he writes Mac 911.

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How to install the macOS Catalina beta in its own APFS container

You can have your Catalina and still be Mojave fresh.

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Is iOS’s Do Not Disturb While Driving driving you around the bend? Change its behavior

Will you use it in a car? On a boat? In a tram? Maybe: scram!

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Your Time Capsule has died. How can you wipe its data?

Fire up the hair dryer or get cracking. You’ll need to extract the hard drive.

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Best Mac remote access apps

Apple removed Back To My Mac from Mojave, but we still need to reach our Macs from outside the local network.

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TeamViewer review: Great remote-access system for personal use, but priced high for most business purposes

This powerful combination of tools makes financial sense only for corporate support.

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Splashtop review: affordable remote access app with core remote access options

With no extras, Splashtop provides reliable remote control across platforms.

logmein pro

LogMeIn Pro review: The right remote access when you have many users that need to control a few computers

The software’s interface is out of date, but the features and price are right.

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Can’t download photos from your iPhone to your Mac? It could be a trust issue

An obscure problem can keep you from syncing your phone.

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Getting Time Capsule failure warnings? Here’s what you can do

Time Capsule drives can fail, and they’re not worth trying to replace.

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How to set a higher dpi without changing an image’s resolution

Resolution and pixel density are two separate factors often blurred into one.

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Can’t erase your Mac’s startup disk? Try Internet Recovery as a last resort

You might be trying to erase the recovery partition, which you can’t do. Here’s how to erase the disk.

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How to delete large files for Steam and other apps

Some items macOS identifies as apps are actually files used by other apps, and can only be deleted within those programs.

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Use TripMode to press pause and conserve data on iCloud and other sync over a cellular hotspot

Apple omits a pause button, but this third-party utility can help.

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Can’t download an app update? It might be time to update your Mac

If you’re using an older version of macOS, you may run into problems when trying to install the latest version of an app.

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Best antivirus for Mac: Protect yourself from malicious software

We name the top free and paid Mac antivirus products to root out malicious software and prevent infections.