When you finally decide to ask for help, do so in a way that allows people to actually provide the assistance you need. You must include all the information you have at your disposal, as we will soon discuss. There's a lot of suggested information to include, and you can choose to skip some or all of it. If you slack off and fail to provide all the necessary information, one of the following things will happen:
Your question will be ignored.
You will receive a barrage of email asking you to gather this information.
On the other hand, if you actually want help solving your problem, include the following pieces of information in your message:
A complete problem description. A message like How do I make my modem work? only generates ...