For most computer problems, there's usually a solution within reach. Here are some pointers to Help for specific types of problems.
Troubleshoot problems finding wireless networks
Troubleshoot problems finding computers on a home network
Troubleshoot network connection problems
Troubleshoot Internet connection problems
Troubleshoot file and printer sharing
Connect to the Internet
Why is my Internet connection so slow?
Tips for solving problems with Internet Explorer
Troubleshoot problems with Windows Mail
Why can't I view an attachment?
Send pictures or videos in e‑mail
To find out if your hardware is compatible with Windows, go to the Windows Vista Upgrade Advisor on the Microsoft website.
Tips for fixing common driver problems
Tips for fixing common sound problems
Tips for solving problems with USB devices
Turn automatic updating on or off
Ways to improve your computer's performance
Newsgroups are a great place to start. Post a question or search for an answer in Windows communities on the Microsoft website.