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Not many casual users know about OS X’s Activity Monitor, and fewer still understand how it works and what it can really do. Here’s how to use Activity Monitor to manage your Mac’s memory, fix slow applications, and troubleshoot various other issues.

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As digital technology continues to seep into every aspect of our analog lives, it seems it was only a matter of time before it started to replace our plain old visual experiences with something a little more tantalizing.

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Over the past few years, automakers and tech giants have been dumping billions of dollars into making the first true accident-free self-driving car. It’s been a dream for nearly as long as cars have existed: getting in your car, cranking up the tunes, and kicking up your feet as a self-correcting, self-driving computer swivels and swerves effortlessly through traffic better than any human ever could. but how close is that dream to a reality?

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Manufacturers have been pushing “Ultra HD” 4k TVs for a couple years now. There are plenty of models available now, and they’re cheaper than ever, too. But should you buy one?

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At any given point, a large selection of recent movies show up on torrent sites, many of which haven’t even been released yet. For anyone who downloaded, streamed, or torrented these yet-to-be-seen-in-theaters selections, you might have noticed one common theme among all of them: they were stuck at DVD quality.

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New 4K monitors are dropping in price, and they are available almost everywhere. They can be found now for a few hundred bucks, and we’ve seen some great sale prices. But are they worth the money, and should you upgrade?

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If you’ve been down to your local Best Buy lately, you might have noticed that a whole new class of wireless routers are on the market on the premium end of the product scale, emblazoned with an “802.11ac” label in bright letters on the front of the box.

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Even though Microsoft may have ruffled some feathers with its latest redesign of the Windows 10 start menu, luckily the engineers behind it were smart enough to make it highly malleable and customizable at the same time, just in case users wanted to add some flair of their own.

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The command prompt has been around forever, and while it might not be as useful in Windows as one would hope, it’s still a great resource to have at your disposal. Today we’re showing you all of the different ways to open the command prompt. We’re betting you don’t know all of them.

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The Windows 10 taskbar works much like previous Windows versions — it offers buttons for every application you’re running and lets you pin icons for later, and a system tray for icons. The main difference is that Windows 10 has a Cortana search box located right on the taskbar, although you can easily disable it.

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Modern versions of Mac OS X no longer need you to repair disk permissions. However, that’s not the only issue that can occur with a disk or file system. Mac OS X contains a variety of tools for repairing disk, partition, and file system errors.

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When we first reviewed the Chromecast back in 2013 we showed you how to set it up, but the Chromecast now comes in a sleeker, more powerful, and better designed package so we’re back with updated instructions.

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With Windows 10, Microsoft seems to have disabled System Restore by default — at least on some PCs. System Restore has been around since Windows ME, creating snapshots of system files you can restore if a problem occurs.

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BitLocker disk encryption normally requires a TPM on Windows. Microsoft’s EFS encryption can never use a TPM. The new “device encryption” feature on Windows 10 and 8.1 also requires a modern TPM, which is why it’s only enabled on new hardware. But what is a TPM?

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Can’t remember your Mac’s password? Don’t worry. With the default settings, you can simply try logging into your Mac. Fail enough times and you’ll be able to reset your password with your Apple ID. But this won’t always work.

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Tell your file manager to show hidden files and you’ll see quite a few junk files scattered across your folders. Windows creates thumbs.db and desktop.ini files in many folders, and Mac OS X creates .DS_Store files.

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Got a shiny new Apple Watch for Christmas? You’re probably wondering how to set it up and what to do with it. It’s a very useful smartwatch that can do many things. Read on to find out how to set up your Apple Watch, tweak its settings, and learn the many ways you can use it.

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Drones are awesome fun. They can bring out the inner kid in even the most jaded individual, but they can also land people in a lot of trouble. Here are some things every new drone owner should know before taking to the skies.

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Each network-connected device — laptops, desktops, smartphones, tablets, and everything else — has an IP address on the network and a unique MAC address. There are many reasons you might need to find this information, so here’s how to find it on all the laptops, smartphones, and tablets you might have lying around.

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If you’re dual-booting Linux alongside Windows 10, 8, or 8.1 and you want to mount your Windows system partition and access its files, you’ll run into a problem. You’ll see an error saying “The NTFS partition is hibernated” due to the new hybrid boot feature, preventing you from accessing its files.

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Windows 10, 8.1, 8, and 7 all include BitLocker drive encryption, but that’s not the only encryption solution they offer. Windows also includes an encryption method named the “encrypting file system”, or EFS. Here’s how it differs from BitLocker.

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The paperless office isn’t yet here for many of us, and printers are still a fact of life. If your printer isn’t working quite right on a Windows PC, here are some simple troubleshooting tips that can fix it.

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Printers come in all shapes and sizes, but they have similar problems. Troubleshooting a printer on a Mac is similar to troubleshooting it on a Windows PC, but the options you’ll need to check are in different places on Mac OS X than they are on Windows.

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It’s a good idea to give each of the devices you use a meaningful name. This is especially important on Windows 10, as Microsoft has removed the computer name option from the first-time setup process. Windows 10 PCs will just receive random, meaningless names by default.

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Google’s Chromecast offers a way to play games on your TV, too. You won’t find the same ecosystem of games you will for the Apple TV or Amazon’s Fire TV, but you will find some fun party games people can gather around the TV and play, using their smartphones as controllers.

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