This book investigates the practical methodologies required for non-professional users to troubleshoot and repair portable computing hardware. Stephen J. Bigelow, an experienced technical writer, provides a structured framework for identifying component failures and performing routine maintenance. By demystifying the internal architecture of notebooks, palmtops, and pen computers, the text aims to reduce user reliance on professional service centers through accessible diagnostic procedures.

Technicians and hobbyists frequently cite this work as a practical, foundational resource for understanding the physical architecture of early-to-mid-era portable computers. Experts note that while the specific hardware models discussed are dated, the fundamental diagnostic logic remains applicable to general hardware maintenance principles.