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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.

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Tag: the US Composite Device will function at reduced speed

What’s a Hi-Speed USB controller, and how do I add one?

Q: When I plug something into the USB port on my ancient Dell Inspiron 8000 laptop, I sometimes see a message that says, “There are no Hi-Speed USB host controllers installed on this computer.”  At the bottom of the notice is another note saying, “The US Composite Device will function at reduced speed.  You must add […]