Consumer ReportsConsumer reports put out a guide of where to go for your tech support. There is some good advice in this guide, but none for specific problems.
Ask the "Tech Guy"
This is a totally free website, supported by ads and donations, where you can post a question and get it answered by colleagues or tech professionals.
Geek Squad's Do-It-Yourselfhttp://www.geeksquad.com/do-it-yourself/
Not a bad general help guide with some good instructions on how to do some tech support yourself.