IDG Answers is a community of experts who are passionate about technology. Ask a question or answer one below.
First, check your computer's Device Manager to see if you have a webcam. I just googled and learned that some Compaq CQ56's come with cameras onboard, while others don't. If you don't see a section called Imaging devices in your Device Manager, it's probably worth it to call HP tech support to have them walk you through the process of getting it up and running.