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Two-factor authentication, also known as 2-step verification, provides additional security for your online accounts. Even if someone discovers your password, they’ll need a special one-time code to log in after you enable two-factor authentication on these services.

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Have you ever noticed that a pixel – a little dot on your computer’s LCD monitor – is staying a single color all of the time? You have a stuck pixel. Luckily, stuck pixels aren’t always permanent.

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Safe mode can help you troubleshoot your Android, but sometimes you’ll need to wipe everything and restore your device to its factory state. You can even perform a factory reset when your Android phone or tablet won’t boot normally.

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When we first released our Geek Trivia app, it was sadly only available in the US store for Windows 8, but now you can get it no matter where you live. It’s completely free, so get your copy right now!

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On your Windows PC, you can boot into safe mode to load Windows without any third-party software. You can do the same on Android with Android’s safe mode. In safe mode, Android won’t load any third-party applications.

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The media is full of reports saying Android malware is exploding and that Android users are at risk. Does this mean you should install an antivirus app on your Android phone or tablet?

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The Nexus 7 may not have a lot of storage space – especially the original 8 GB model – but you can connect a USB drive to it if you want to watch videos or access other files.

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If you’re currently using any 64-bit version of Windows you may have noticed there are two “Program Files” folders, one for 64-bit and one for 32-bit apps. Why does Windows need to sub-divide them? Read on to see why.

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Several times a year, Google releases a new version of Android with new features and performance improvements. Unfortunately, most Android devices in the wild will never get the update.

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Windows won’t allow you to modify files that open programs have locked. if you try to delete a file and see a message that it’s open in a program, you’ll have to unlock the file (or close the program).

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Screen savers are a left-over solution from a previous technology. In spite of their name, screen savers no longer “save” anything – all they do is waste electricity. Screen savers are not necessary on modern, flat-panel LCD displays.

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Whatever you think of it, Windows 8 isn’t just a new interface slapped on top of Windows 7. Windows 8 has seen a lot of security improvements, including an integrated antivirus, an application reputation system, and protection from boot-time rootkits.

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Is Windows, Linux, Android, or another operating system using a lot of RAM? Don’t panic! Modern operating systems use RAM as a file cache to speed things up. Assuming your computer is performing well, there’s nothing to worry about.

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It’s easy to focus on how Windows 8’s new interface doesn’t feel at home on a traditional desktop PC or laptop. But that’s only one part of Windows 8 – the Windows 8 desktop includes a variety of useful improvements.

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Upgrade to Windows 8 and you may be surprised to find that you can no longer play video DVDs. Unlike previous versions of Windows, Windows 8 doesn’t include built-in support for playing DVDs.

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Want a Start menu on your Windows 8 desktop? While Microsoft no longer includes the Start button, opting instead for a click in a hidden corner and a new Start screen, there are quite a few Start menu replacements you can choose from.

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From tiny laptop hard drives to beefier desktop models, traditional disk-based hard drives have a very bold warning on them: DO NOT COVER THIS HOLE. What exactly is the hole and what terrible fate would befall you if you covered it?

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If you don’t have a touchscreen computer and spend all your time on the desktop, Windows 8’s new interface can seem intrusive. Microsoft won’t allow you to disable the new interface, but Classic Shell provides the options Microsoft didn’t.

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Some people think that task killers are important on Android. By closing apps running in the background, you’ll get improved performance and battery life – that’s the idea, anyway. In reality, task killers can reduce your performance and battery life.

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File extensions can be faked – that file with an .mp3 extension may actually be an executable program. Hackers can fake file extensions by abusing a special Unicode character, forcing text to be displayed in reverse order.

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Thousands of hours per year of fan-driven air movement combined with electrostatic charges make computers veritable dust magnets. Is all that dust simply a nuisance or is it actually harmful?

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Whether you saw a message saying a virus was detected or your computer seems slow and unreliable, this guide will walk you through the process of dealing with your infection and removing the malware.

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The “Do Not Track” option is enabled by default in Windows 8’s Internet Explorer 10 and available in Firefox, Safari, and Opera. Google is even adding it to Chrome. There’s just one problem: it doesn’t actually prevent tracking.

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Windows uses a page file to store data that can’t be held by your computer’s random-access memory when it fills up. While you can tweak the page file settings, Windows can manage the page file fine on its own.

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Like all sufficiently advanced technologies, Wi-Fi can feel like magic. But Wi-Fi isn’t magic – it’s radio waves. A variety of things can interfere with these radio waves, making your wireless connection weaker and more unreliable.

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