Don't-Miss Stories

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Four reasons you should use OS X's System Information utility

When it comes to troubleshooting hardware and software problems on your Mac, the utility formerly known as System Profiler can be a lifesaver.

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16 things you should know how to do with Siri

The virtual assistant in iOS can do all kinds of stuff, of course. But here are the 16 things we think everyone should try at least once.

16 things you should know how to do with Siri

The virtual assistant in iOS can do all kinds of stuff, of course. But here are the 16 things we think everyone should try at least once.

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How to selectively delete browser history

Remove individual sites or pages from your history rather than all of it. We'll show you how in this video tip.

on pcworld.com

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Bugs & Fixes: Slow Wi-Fi reconnect after MacBook wakes up

If your MacBook takes its sweet time reconnecting to your Wi-Fi network, Ted Landau may have a fix for you.

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Troubleshooting Yahoo/AT&T password issues

If you have an old email account now associated with Yahoo and AT&T you may find it difficult to change your password. Chris Breen offers a way through the mess.

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How to sync bookmarks with two iCloud accounts

The setup: Two users, two sets of bookmarks, one shared iPad between them. How to get everyone's bookmarks on one device.

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Build a custom lock screen to save your iPhone, your iPad, or even your life

This week's video tip shows you how to quickly and easily make a custom lock-screen image for your iOS devices that contains contact and emergency information.

Ask the iTunes Guy: Glitchy tracks, numbers game, and too-large libraries

iTunes Guy Kirk McElhearn addresses issues of tracks that aren't all what they should be, unwanted track numbers, and libraries that are bigger than iTunes prefers.

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MacBook in the cloud: Work with the same files on multiple Macs

It's hard to keep your files in sync when you're working with multiple computers. Here's how associate editor Serenity Caldwell juggles three Macs but just one file system.

Replacing Messages Theater: more screen-sharing alternatives

Recently, Chris Breen offered a couple of suggestions for coping with the loss of screen-sharing tools in Mavericks' version of Messages. Joe Kissell has some additional suggestions of his own.

Create a lock-screen image that will save your iPhone or iPad (or your life)

This video tip shows you how to quickly and easily make a custom lock-screen image for your iOS devices that contains contact and emergency information.

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33 great tips and tricks for iOS 7

Whether you're an iOS master or just starting out, here are 33 tips that can help you get the most of your iPhone, iPad, or iPod touch.

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How to remotely log out of Gmail

If you've left Gmail logged in on another computer, there's a quick and easy fix.

on pcworld.com

How to remotely log out of Gmail

If you've left Gmail logged in on another computer, there's a quick and easy fix.

How to photograph the 'Blood Moon'

techhive.com

A lunar eclipse can be seen from most of North America late Monday night/early Tuesday morning. If you're interested in taking pictures of the moon, here are some tips on how to set up your camera.