Christopher NullPCWorld

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Christopher Null is a veteran technology and business journalist. He contributes regularly to TechHive, PCWorld, and Wired, and operates the websites Drinkhacker and Film Racket. Disclosure: He also writes for Hewlett-Packad's marketing website TechBeacon.

How To Bypass Windows Login

Here's how to turn off the Windows login screen if you don't need the extra privacy protection.

How to Work Outdoors

Working outside is often an eye-squinting, headache-inducing, battery-draining agony. It doesn’t have to be, if you follow these outdoor computing tips.

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How To Boot From a Windows DVD or Another Optical Disc

Boot the PC from the optical drive instead of the hard drive to reinstall Windows or access repair tools loaded on your Windows DVD.

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How To Turn Off Automatic Reboots in Windows

Here's how to change automatic reboots in Windows Update from automatic to manual.

How To Open an Application in XP Mode

A few very old applications won't run under Windows 7--but you can tweak Windows 7 with a few simple clicks.

Quick Windows Fixes

Is Windows malfunctioning, sluggish, or in need of some tweaking? These simple solutions will help you get the OS back into shape.

How To Fix Up Windows XP

Here are some Windows XP tips to keep things running smoothly.

How To Remove AutoCorrect Entries in Office

If you dislike the automatic "corrections" that Microsoft Office performs by default, follow these steps to disable them.

Put Your Tablet to Work

Tablets aren't just for playing Angry Birds. With a little foresight and judicious app installation, you can turn a tablet into a productivity powerhouse.