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I'm one of today's best-selling computer book writers, with more than 15 million books in print.

This Web site keeps you up-to-date on my books, and your computers. Each week, I answer a reader's question on-line.

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Windows 7 For Dummies on sale!

Windows 7 For Dummies

Drop by Amazon.com for big discounts on Windows 7 For Dummies, as well as the Windows 7 For Dummies DVD bundle.

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Archive for 'Upgrading and Fixing Computers Do-It-Yourself For Dummies'

How can I tell how much space my Recycle Bin consumes?

Q: How can I tell how much space I’ll free up by emptying my Recycle Bin? A: When your computer runs low on storage space, most people tell you to empty your Recycle Bin. Like taking out the trash, it permanently deletes your recently deleted files, freeing up storage space. To empty your Recycle Bin, [...]

Twenty years of Dummies books means $5 rebate coupons for you!

Get a $5 rebate for any “For Dummies” books bought in March. Head here for the Rebate Form.

Fixing those Low on Virtual Memory messages

Q: What is virtual memory? Windows XP keeps sending me messages that my virtual memory is low. Also, what does it mean when my computer says that I don’t have enough storage on my computer? A: Windows uses memory to run the programs you see on your screen. When Windows asks for more memory than [...]

Why does my hard drive drag down my Windows Experience Index score?

Q: When buying a new Hewlett Packard computer online, I customized it for the most power. But my Windows Experience Index shows only 5.9, with my weak link being my hard disk transfer speed. I’m really disappointed. How much stock should I put into Windows rankings? Can I do better by replacing my current hard [...]

Did I kill my power supply or my motherboard?

Q: Yesterday I built a desktop computer from parts that I’ve acquired over the past few years. While installing software today, I noticed that the power source wasn’t plugged all the way into the video card, so I pushed it in more tightly, and bam: The computer suddenly shut off, and it won’t turn back [...]