Welcome to Andy Rathbone's Web site

Site menu:

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

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

Windows 10 For Dummies, Fourth Edition on sale now!

Windows 10 For Dummies

Drop by Amazon.com for big discounts on Windows 10 For Dummies, Fourth Edition.

Site search

Popular Posts

Recent Comments

Categories

Tag: Dell Precision M6400 Mobile Workstation

Why does the Windows Experience Index differ in Windows Vista and Windows 7?

Q: Under Vista Ultimate, my computer earned a Windows Experience Index of 5.9. (I expected that because I own a Dell Precision M6400 mobile workstation that’s maxed out in performance. When I did an upgrade install of Windows 7 RC (Build 7100), I was disappointed to see the Performance Experience Index remain at 5.9. I […]