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Mac 911 Many of us want one, two, or more external monitors connected to our Macs. Here’s what you need to know for modern models. How-To Your old Mac is worth more than you might think. Here's how to get the most out of it. Mac 911 Things have changed: macOS handles battery wear, so you mostly don’t have to. Mac 911 Apple hides this feature in plain sight, letting you have a scanner for your Mac without a USB cable or other software. Mac 911 If you once shared an iCloud account across devices, an ex-partner might still have access. Mac 911 The way to use AirPlay to mirror a Mac display is obvious. The manner of doing so is different with different versions of macOS. How-To If you’re having to adjust to remote work, hooking up a second monitor to your Mac is one of the best ways to go about it. How-To Using the macOS command line can be an easier way of doing a task that involves a lot of file and folder management or window and menu navigation. Updated Learn how to use Terminal to securely erase free drive space. Mac 911 Apple chose a different startup scheme for its Apple silicon models that prevents booting up from an Intel-targeted disk. How-To Learn how to play, convert, and get info on audio files using some macOS Terminal commands. How-To If you’ve gone through routine troubleshooting and nothing fixes your drive. you may want to try to recover the startup volume’s contents by booting using recoveryOS. How-To This feature in Apple’s Mac operating system promises to free up precious storage space. Mac 911 If your Bluetooth set up appears messed up beyond repair, hit reset. Mac 911 Apple offers different ways to manage Time Machine encryption for local and network backups. Mac 911 You can avoid most of the Internet bandwidth overhead by copying from drive to drive. Mac 911 Years ago, Apple automatically created a Recovery partition when installing macOS. But it can get corrupted, overwritten, or deleted. Mac 911 Lithium-ion batteries slowly shrink in capacity; a replacement may be covered under warranty. Updated If you're experiencing weird glitches with your Mac, resetting the NVRAM or SMC might help. Here's how to do it. Mac 911 While not a secret, you have to hunt to find your Magic Keyboard, third-party mouse, and similar wireless devices’ current charges.