Laptop Power Adapter Repair – Basic to Advanced Practical Course

Learn how to diagnose, troubleshoot, and repair laptop power adapters through practical, step-by-step video lessons. This self-learning course is specially designed for computer hardware technicians, laptop repair professionals, students, and beginners who want to develop practical adapter repairing skills.

The course explains the complete working principle of laptop SMPS adapters, important electronic components, input and output sections, voltage testing, fault identification, and systematic troubleshooting methods.

What You Will Learn

• Laptop adapter working principle

• SMPS basic concepts

• Adapter internal block diagram and sections

• Identification of electronic components

• Fuse, NTC, MOV and protection components

• Bridge rectifier and AC-to-DC conversion

• Filter capacitor testing

• MOSFET and switching section

• PWM controller IC basics

• Transformer section

• Optocoupler and feedback circuit

• TL431 and voltage regulation basics

• Secondary rectifier and output filtering

• 19V output testing

• Multimeter testing techniques

• Short circuit identification

• No output fault diagnosis

• Low voltage and unstable output problems

• Adapter blinking or pulsing problems

• Overheating problems

• Cable and DC jack related faults

• Load testing techniques

• Practical troubleshooting procedures

• Common laptop adapter repair case studies

Who Should Join?

This course is suitable for:

• Laptop and desktop repair technicians

• Computer hardware technicians

• Field service technicians

• Electronics repair beginners

• ITI and vocational students

• Computer hardware students

• Anyone interested in practical electronics repairing

Course Features

• Self-learning video course

• Basic to advanced explanation

• Practical repair demonstrations

• Component-level fault identification

• Real troubleshooting techniques

• Learn anytime and anywhere through PDS DigiClass

After completing this course, learners will have a better understanding of laptop power adapter circuits and will be able to systematically diagnose and repair many common laptop adapter faults.

Learn Practical Skills. Diagnose Better. Repair with Confidence.