Eric GeierContributing Writer, PCWorld

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Eric Geier is a freelance tech writer as well as the founder of NoWiresSecurity, a cloud-based Wi-Fi security service, and On Spot Techs, an on-site computer services company.

How to remove malware from your Windows PC

Has a malware infection taken your PC hostage? Here's how to clean it out and restore your PC to a pristine state.

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How to monitor, measure, and manage your broadband consumption

Dealing with a data cap? Tired of getting dinged for busting through it? Learn how to identify the hogs on your network and how to make sure your ISP is delivering everything you’re paying for.

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5 free/low-cost Wi-Fi analyzers for Windows 10

The Wi-Fi analysis features that developers can utilize in the Universal Windows Platform are still pretty limited. But these Windows 10 apps are inexpensive and/or free.

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How to clean install Windows the right way

Performing a Windows reinstall can make your PC feel like new, but you'll want to do some prep work first to avoid losing precious data and software.

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Tested: 7 VPN services that help protect your privacy online

We evaluated seven VPN services that can help anonymize your Internet traffic so it’s much harder for websites to track your personal browsing history.

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How to install Windows apps on an SD card or USB drive

Windows 8 won't let you install the apps found in the Windows Store to external storage--but you can force the matter.

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How MU-MIMO Wi-Fi works to improve the speed and capacity of home networks

Multi-user MIMO promises to deliver a significant upgrade in wireless-networking performance. Here’s why everyone’s so excited.

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How to replace a broken laptop screen

If your laptop's LCD screen is cracked, black, or otherwise broken, it doesn't mean your notebook's a paperweight. Here's step-by-step instructions on how to replace a broken laptop screen.

Netgear Nighthawk X6 802.11ac Wi-Fi router

Quality of Service explained: How routers with strong QoS make better home networks

Bandwidth is the precious currency of networks. A router with good Quality of Service technology makes sure all devices get their fair share.

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These 5 antivirus suites keep potentially unwanted programs (PUPs) from biting

Potentially unwanted programs (PUPs) pack a nasty bite if left unchecked. The antivirus suite you already have may be able to catch and muzzle them.

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How to use OpenPGP to encrypt your email messages and files in the cloud

When online services lack privacy controls, you can roll your own using near military-grade encryption.

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Gimme a boost: 3 ways to make calls when your cellular signal is terrible

If you find yourself asking, "Can you hear me now?" it might be time to explore Wi-Fi calling, femtocells, or signal boosters.

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What’s next for Wi-Fi? A second wave of 802.11ac devices, and then: 802.11ax

While you consider which 802.11ac router to buy, the industry is working hard to render it obsolete. Here's what to expect in the next few years, as engineers tease more bandwidth and faster transmission speeds out of Wi-Fi.

Reset your Windows 8 password if you're locked out

Locked out? Get back into Windows 8 by resetting your password

A forgotten password is no need for panic. There are several ways to get back into your Windows 8 PC if you've locked yourself out.

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How to automate basic PC maintenance tasks

You can keep your PC in ship-shape by scheduling driver updates, backups and more using Windows' own utilities, plus some other (mostly) free software.