
Master laptop motherboard repair by learning component names and functions, the power sequence, and core circuits like the battery charge circuit and 3V/5V rails, then troubleshoot with Dell schematics.
Explore laptop motherboard parts, including the processor, northbridge and southbridge, integrated graphics, RAM types (ddr1–ddr4) with voltages, crystal oscillators, and essential power components like capacitors, inductors, and mosfets.
Identify surface mounted device components on a laptop motherboard, including diodes, transistors, resistors, capacitors (ceramic and polarized), inductors, MOSFETs, and ICs, and understand polarity and filtering roles.
Explain the laptop motherboard power sequence from 19-volt input to VEBA, generating three-volt and five-volt rails and RAM 0.9 V with max 8772 and VCP control.
Diagnose laptop power jack health with a multimeter, confirming center positive and side negative connections, testing continuity through the jack and its cables, and perform visual inspection for burnt components.
Explore the laptop battery charge circuit and identify power-path components on the motherboard, including the power jack, inductor, ceramic capacitors, diodes, mosfets, three-terminal diodes, and the sense resistor.
Identify and compare components in the battery charge circuit, including the L2 inductor, r45 resistor, sense resistor, diodes, transistors, and voltage regulators that convert 19V to 5V.
Explain the 3.3V/5V power circuit in laptop motherboards, detailing how filters, inductors, capacitors, and MOSFETs, driven by the power management IC, produce and verify +5V and +3.3V rails.
Explore the CPO power management circuit and its two channels that generate Vcc_core for the CPU. Identify testing points and protection components, and check mosfets, inductors, and capacitors for faults.
Track laptop power paths from the DC power jack through inductor L1 and ceramic capacitors into the two MOSFETs, guided by AC drive and AC detect signals in the schematic.
Identify the most common laptop motherboard faults, from power jack and nearby power components to RAM, graphics card soldering, and BIOS issues, with practical checks and rework steps.
Identify faults such as CMOS battery failure causing no power and issues with super IO and ac supply; inspect the power jack, diodes, inductors, USB connectors, audio IC, and capacitors.
9 Reasons why you should choose this course
The course will teach you Everything about how to repair failed laptop motherboards with schematics reading besides the most common faults you can encounter on failed laptops.
The course is created with perfect care by a computer engineer;
The course is not long, so you can complete it in a short time, and then enjoy your new experiences;
Your inquiries will be answered in a short time with a full explanation of any question;
Simple and easy-to-understand explanation with examples;
A certificate will be provided upon completion of the course;
You are going to learn the basics and secrets of laptop motherboard repair;
You will learn how to check, troubleshoot, and diagnose laptop motherboard circuits and components;
You are also going to learn how to track electronic signals on the motherboards using its schematics.
This course will transform you from a beginner to a Pro.
Topics that we will be discussing in this course are :
Motherboard components names and functions;
Surface Mounted Devices components;
Laptop motherboard power sequence;
How to diagnose laptop power jack;
Battery charge circuit;
3.3V/5V power system circuit studying;
CPU power management circuit;
+VCC_core and VGFX Power system and other motherboard circuits;
How to track laptop motherboard voltage using schematics;
The most common faults on failed laptops;
How to check laptop motherboard power jack serviceability;
How to check motherboard power circuit and components serviceability;
Laptop Motherboard Chips and Integrated Circuits;
SMD components on a laptop motherboard;
How to check motherboard connectors' serviceability and much more.
You will also learn many tips and tricks that will make you a hardware professional and have a deep understanding of how to repair laptop motherboards.
I will guide you step by step with a straightforward explanation of this course.
If you are interested in one of the points we discussed before, then this course is for you.
So, what are you waiting for?
Enroll now and join us.
I'd love to see you in the class.