DIY Hard Drive Diagnostics: Understanding a Broken Drive, was presented by Scott Moulton. Moulton taught the audience how to troubleshoot problems common to hard disk storage devices. He explained hard drive technology in detail, covering all aspects of the hardware components, controller boards and other electronic components, and the firmware. Using pictures and audio in his presentation, Moulton described how to determine what might be wrong with a drive; whether it is the board, the heads, media, etc. He covered a quick diagnostics approach based on a simple process of elimination. He also stressed when one should stop troubleshooting for risk of loosing the data stored on the device.