FEATURED ARTICLES / THE BEST OF HOW-TO GEEK

Feel like you forgot to log out of Gmail on your friend’s computer? Google makes it easy to see all the devices—laptop, phone, tablet, and otherwise—logged into your Google account. You can view both a list of IP addresses that have accessed it, and a list of devices that have actively used your account in the last 28 days.

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When you get an error saying that Windows could not find a particular DLL file, it can be awfully tempting to download the file from one of the many DLL sites out there. Here’s why you shouldn’t.

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Once a concern that was the province of the paranoid, years worth of reports and revelations have made it readily apparent that people really can spy on you through your webcam. Here’s why you should disable or cover yours.

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Out of all your online accounts, there’s a good chance that Google holds most of your information. Think about it: if you use Gmail for email, Chrome for web browsing, and Android for your mobile OS, then you’re already using Google for almost everything you do.

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Much of the data on your Android phone or tablet is backed up by Google (or the individual apps you use) automatically, but what is being saved for you, and what do you need to save for yourself?

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It’s no secret that two monitors can improve your productivity, but not everyone needs a pair of screens all the time. If you find yourself in a situation where a second screen could be beneficial, however, you can easily make your Android device serve double duty.

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A good set of fans can keep your computer from overheating, but they can also make your computer sound like a wind tunnel. Here’s how to control your PC’s fans for superior cooling when it’s working hard, and silence when it isn’t.

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Any time you have hard drive errors—or even strange behavior you might not at first associate with a hard drive—Check Disk can be a lifesaver. Here’s a full guide to using the Check Disk tool that comes with every version of Windows.

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If you’ve tampered with your Chromebook—to install Windows on your Chromebook, for example—you may have replaced its BIOS with a third-party option. Here’s how to roll all your changes back and turn that Windows or Linux PC back into a Chromebook.

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It’s 2017, shouldn’t we stop worrying about disk space? Nope, not at all! A modern MacBook might have a solid-state drive with just 64 GB of space. You’ll want as much space for your important data as you can get.

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On modern versions of Windows, you’ll see a “ProgramData” folder on your system drive—usually the C:\ drive. This folder is hidden, so you’ll only see it if you show hidden files in File Explorer.

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Thanks to Apple’s HomeKit home automation system and the versatility of Siri, you can now control your home lighting with nothing but your voice. Read on as we demonstrate this using Philips Hue.

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Gamers are accusing NVIDIA’s new drivers of spying on you, collecting more data with new telemetry services. But NVIDIA isn’t spying on you—or, at least, NVIDIA isn’t gathering more data than it already was, and most of that data is required for it to work properly.

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Chromebooks don’t officially support Windows. You normally can’t even install Windows—Chromebooks ship with a special type of BIOS designed for Chrome OS. But there are ways to install Windows on many Chromebook models, if you’re willing to get your hands dirty.

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There’s nothing as precious and irreplaceable as your personal photos and, with a little forethought and planning, there’s no reason to ever feel the heartbreak of losing even a single one of them to theft, broken devices, or disaster.

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Microsoft is now more aggressively pushing taskbar and action center ads—some for Microsoft Edge, some for other Microsoft products. These are just one of the many types of advertising in Windows 10. Here’s how to make it stop nagging you.

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More and more, people are starting to discover that tablets make decent productivity tools. With devices like the Microsoft Surface and iPad Pro becoming more popular, you may be looking to create something similar with your Android device. With a Bluetooth keyboard, it’s simple. Here’s how to connect one, and everything you can do with it.

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Putting your PC to sleep is a great way to save energy while still making sure you can resume work quickly. But what can you do if your PC keeps waking up on its own? Here’s how to figure out what’s waking it up, and how to prevent it.

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Windows 10, like Windows 8 before it, is integrated with Microsoft’s online services. Microsoft would prefer you sign into Windows with your Microsoft account, although you can still create a local account. Certain features are only available if you sign in with a Microsoft account, however.

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If you want to get the most out of your DSLR camera, it’s best to learn its different shooting modes, rather than just using full Auto all the time. With all the letters and symbols surrounding the dial (like M, Av, Tv, and P), though, things can get a bit confusing. Here’s a first-timer’s guide to getting out of Auto mode and crafting better photos.

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Apple Maps doesn’t automatically detect your Home address. If you move, Apple Maps and its widget will keep telling you how long it will take to drive to your previous home address—until you give it your new one.

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Millions of people have an Amazon Prime subscription for one reason: you can get just about anything shipped to your house in two days, with no extra shipping fees. But Amazon Prime comes with a ton of other features that you may not know about. Here are all the ways you can maximize the value of your Prime membership.

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Once upon a time, you had to really keep an eye on your Android phone to make sure the battery wasn’t being depleted prematurely. Manually toggling connections, constantly adjusting brightness, and the like are basically all things of the past now—but there are still things you can do to maximize your handset’s battery life.

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Although modern routers handle most functions automatically, some applications will require you to manually forward a port to that application or device. Fortunately, it’s really simple to do if you know where to look.

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Aero Shake—a fun little feature that lets you grab a window by the title bar and shake it to minimize all other open windows—can sometimes get in the way. If you don’t like it, you can turn it off with a quick Registry or Group Policy edit.

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