Here’re a few Microsoft’s latest published troubleshooting guides for Windows Vista:
“…solutions to some common problems with audio in Windows Media Center.”
“Display problems are among the most common difficulties people have when upgrading either Windows or their computers. Here’e solutions to some common display problems.”
“For most computer problems, there’s usually a solution within reach. Here are some pointers to Help for specific types of problems.”
Covering Networking, Using the Web, E-Mail, hardware and drivers etc.