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A router and an extender: When your laptop doesn't know which to use.

Sometimes, you need two or more access points to spread your Wi-Fi throughout the house. But that can confuse a computer.

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Save money by not buying a larger SSD than you need

By the gigabyte, an SSD is much more expensive than a conventional hard drive. You may be able to save money by buying one with a smaller capacity.

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What to do when your laptop's touchpad stops working

The touchpad built into your laptop no longer responds to your fingers. Here's what to do about it.

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What happens when Microsoft ends Windows 7 mainstream support next year

Next January, Microsoft will end mainstream support for Windows 7. But relax. That won't be end of the popular operating system.

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One of the best password managers for your PC, devices, and the cloud

You need a password manager; it's as important as antivirus. KeePass can do the job on all of your devices.

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Have a company laptop? Here's how to keep your browsing private

Your employer may let you take a company laptop home, but that doesn't mean they're not looking over your shoulder.

How to use Gmail 2-step verification on multiple devices

You use Google's security tools to protect your Gmail account in your browser. Here's how to use them with applications and devices.

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Why spammers persist despite filters and well-informed users

Our email clients filter them out. We know all of their tricks. Yet the spam keeps coming. Here's why.

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How to kill unwanted processes and applications that slow down Windows

Windows PCs run a whole lot of code in the background, much of which slows you down and provides little or no benefit. Here's how to stop them.

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How to test the speed of your USB drives

How fast are your flash drives and external hard drives? Here's how to find out.

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Back up and sync between your home and travel PCs

You keep one PC at home, and travel with a smaller, lighter one. Here's how to keep files synced and backed up between the two.

How to move Outlook Data to a new PC

Bringing your documents and spreadsheets to a new PC is easy. But if you use Outlook, moving your email, contacts, and appointments may be a bit tricky.

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When your computer won't turn on

Your Windows computer no longer boots? Here's what to do about it.

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Control your desktop, or Windows will control it for you

Windows rarely leaves the icons on your desktop where you want them. Here's how to fix that annoying problem.

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Buying a new PC? Don't worry, Windows 8 is just fine.

I hated Windows 8 from the start. But now I can wholeheartedly recommend Microsoft's troubled OS.