Walt Mossberg answers questions about reporting errors on digital maps, “virtual private networks” on Amtrak trains and saving Internet Explorer favorites.

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Walt Mossberg answers questions about the “n” version of Wi-Fi, using the iPhone with a new Wi-Fi service on airplanes, and exporting Firefox 3.0 Bookmarks.

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Walt Mossberg answers readers’ questions about sending video files without YouTube, buying a MacBook for an art/graphic-design student, and choosing a reliable antispyware program.

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Walt answers questions about traditional docking stations, software for removing a hard drive’s partitions, and alternatives to an iPhone calendar.

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Here are a few questions I’ve received recently from people like you, and my answers. I have edited and restated the questions a bit, for readability.

Do you still recommend the Dell XPS One all-in-one computer that you favorably reviewed last December? I am not a techie at all but need to replace my 5-year-old [...]

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Here are a few questions I’ve received recently from people like you, and my answers. I have edited and restated the questions a bit, for readability.

Should I install Microsoft’s “SP3″ upgrade to Windows XP? I hear opinions on both sides.
In general, I recommend this upgrade, officially called Service Pack 3, because it beefs [...]

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Here are a few questions I’ve received recently from people like you, and my answers. I have edited and restated the questions a bit, for readability.

I have a laptop that I use primarily to play music. Is there any way to disable its connection to a wireless network?
Sure, but exactly how you do [...]

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Here are a few questions I’ve received recently from people like you, and my answers. I have edited and restated the questions a bit, for readability.

I want to purchase an e-reader. Currently I use my Palm Tungsten, but the screen is rather small for reading books. I purchased the Amazon Kindle for my niece [...]

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In this week’s installment of Mossberg’s Mailbox, Walt talks to a reader about the benefits offered by a faster processor in comparison to the advantages of a faster Internet connection. And for anyone who’s thought of moving from the PC version or Quicken to the Mac version, read Walt’s suggestions first.

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I enjoyed your positive preview of Windows 7, but wondered if we will need to find and install all new device drivers for hardware if we upgrade to Windows 7, as we had to do with Vista?
Microsoft says that, in most cases, the Vista drivers — software that makes hardware like printers or [...]

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Walt answers questions about cleaning up a sluggish install of Windows XP, the new keyboards on the unibody MacBook Pros and alternatives to the Windows Mail application in the upcoming Windows 7 operating system.

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Walt answers questions about migrating bookmarks using Foxmarks and hardware requirements for the upcoming Windows 7 operating system.

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Walt’s advice on working with Microsoft Publisher documents on a Mac, improving searches with Surf Canyon (even the beta version) and using a smartphone as a modem.

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Walt answers questions about the new Amazon Kindle 2 e-book reader, how to prevent a computer screen from dimming and netbook recommendations.

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Walt answers readers’ questions on whether a graphics chip can improve PC performance, if the iPhone can be connected to desktop peripherals, and more.

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