Do... Search the forums. Someone else may have already answered your question/discussed the topic.
Read the stickies. They answer a lot of questions, and are great reads too!
Use paragraphs, and avoid walls of text that are hard to read.
Provide details on what is going wrong, and how. Share your hardware specs and OS, when applicable.
Keep criticism constructive. Attack the idea, not the person.
Check out our guide to posting images and styling your posts. You can also see how other users do the same by clicking "BBCode" above their post.
Report violators to the Moderation Team by clicking "Report" above the post.