Mark W. Kaelin

Last week’s NASA-based desktop wallpaper gallery was so popular we thought you would like to see more examples of the kind of images available for free from the NASA website.

Greg Shultz shows you how to use some of the new features in Windows 7’s Event Viewer to investigate a slow boot time.

Some of the best desktop wallpaper available comes from the final frontier, where no one has gone before.

The Parrot AR.Drone Wi-Fi quadricopter is the epitome of a cool flying model vehicle and could be the ultimate geek gift this holiday season.

The Cyborg R.A.T 7 is the prototypical gaming mouse designed to be mechanically adjustable to fit any hand and any game playing style.

In Microsoft Windows 7, you can customize the command prompt using specifically configured shortcuts to better match the task at hand.

EnhanceMySe7en solves the problem of keeping Microsoft Windows 7 maintained without having to install multiple applications for different tasks.

There are thousands of public domain images available from the U.S. National Park Service that make great scenic view wallpaper.

Microsoft Windows 7 allows you to customize the Start Menu in many different ways. Mark Kaelin shows you how this relatively simple process works.

The beta version of Internet Explorer 9 is now available for download. In this Photo Gallery, TechRepublic takes a first look at Microsoft’s latest Web browser.

The IBM System x3400 M3 server is designed for small businesses, offices, and departments that require a server to handle daily transactions.

In certain situations, you may want to allow guest users access to a PC. Take the proper steps to ensure that the guest access you grant is secure.