PC

Illustration by Neil StevensMake Your Gmail Work for You

Your time is valuable. On the Gmail team, we work hard to offer a user ex­­perience that won't bog you down. But we also want to share some tips for be­­ing even more productive with Gmail.

Alex Gawley, Gmail Product ManagerFocus on search, not folders: Google was built on search, and we've aimed to bring that same search experience to Gmail. Studies show that users save time when they search for an email instead of categorizing it into a folder. In Gmail, you can quickly find the exact message you want by typing keywords into the search box, or you can rely on the program's search autocomplete to specify the attributes you want (try typing 'from:[sender]' or 'has photos').

If the results of a new PCWorld/Macworld survey are any guide, the forthcoming iPhone 5 with LTE is going to be a big hit.

Large numbers of people plan to buy or upgrade to the first 4G iPhone, many of them citing the new LTE wireless technology as a main reason, the survey suggests.

PC owners know that every computer has a unique assortment of components, applications and peripherals. Nevertheless, certain things--including a host of common PC problems and mysteries--are part of the shared experience of computer ownership. The editors at PCWorld have seen and solved hundreds of PC mysteries, ranging from balky printers to diffident video players to persnickety file attachments. Most of the answers to these tech questions are simple and straightforward, so we've taken the liberty of compiling some of the most frequently encountered PC mysteries into a single list that we'll update regularly. Following each question we provide a short response that summarizes what we know. For a more detailed explanation and some helpful tips, click the links in each answer.

Why is [Program X] always running when I start my PC?

Windows maintains a list of programs that automatically run every time you boot up your computer. Some of these startup programs (such as antivirus utilities) are beneficial, but many of them are not necessary and can slow your PC as they run automatically in the background. Speed up your boot time by disabling Windows startup programs.

The Windows 8 Consumer Preview is now available for public download, and it offers a very different experience from what Windows users are accustomed to. However, while the operating system is optimized for touchscreen input, that doesn't mean Microsoft forgot about users who are confined to traditional keyboards and mice.

In fact, the Windows 8 Consumer Preview supports a ton of keyboard shortcuts to help make input and interaction a little easier. Some of the new shortcuts are touchscreen-related, such as pressing Windows-O to lock the orientation of the device, while others relate to new features, such as pressing Windows-C to open the Charms bar.

Mobile World Congress is the largest show for phones and sets the tone for annual mobile trends. Ginny Mies gives us a sneak peek at the 2012 show.