Laptop chip Level Fault & Trouble shooting Laptop M/B DC to DC Conversion Voltage Generation Problems, main Power Supply short Problems, Diagnosis, isolation and solution. Laptop M/B Diagnosing, isolating problem between power and other sections, diagnosing the problem in systematic way . Diagnosing and solving the critical problems of laptop like hanging, Battery not charging, USB not detecting, K/B not detecting, AC Adapter not detecting and all other working problems of the Laptops.