Learn Laptop Motherboard Repair

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Component Level Laptop Motherboard Repair


This is a fully comprehensive instructional course in getting into the business of repairing all makes of laptops. Chip-level Training will be customized for your present knowledge of electronics. If you go through the fundamental track , all the power electronic components will be introduced before we move to the logics section. After you become comfortable with power electronics the logic session follows . It is an intensive coverage into the intricate details of chip-level service of the laptops. This involves detailed circuit tracing , signal analysis , replacement of SMD devices and all the tips and tricks our service engineers acquired from the years of experiences. the session makes you confident enough to chip-level service the new generation notebooks from Lenova , Compaq, HP , Toshiba ,Sony and the like .

Service Technicians entering into the Laptop training course must have experience in the following disciplines


  • must be comfortable in using desktop systems and peripherals
  • must have an above average knowledge about all the internal components and operation of the system
  • comfortable with installing and managing various operating systems.
  • managing the hard disk subsystem with formatting and partioning.
  • installation and configuration of computer components like add-on devices

Ready To Learn A New Skill Online?


You'll discover how to troubleshoot & repair Laptop Motherboard ??
The Best Way To Take A Laptop Apart
Tools and Test Equipments
Schematic Diagrams
How To Fit/Install Laptop Hard DrivesYou'll discover....
Integrated Circuits
Advance chip-level Laptop Motherboard repair
IC Chip Soldering & Desoldering
Motherboard Overview: Main Signals of Motherboard And How motherboards Work with Different ic
Motherboard Ic Chip Components
Common Problem Of Different Motherboards
5 Steps to Hacking Dell D600 Bios Password
Connector Socket Basic problems ,circuit diagram,& repairing steps
Problems & Solutions

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Setting up a Laptop Repair Business
Discover the 5 fatal mistakes of typical repair businesses
The "secret" formula for making money
Major industry changes coming and how to benefit from them
How to Establish a Constant Stream of Repair Business
Where to Buy Cheap Broken Laptops
Refurbishing & Selling Them at Over 100% Profit
Advertising the Refurbished Laptops to Command the Highest Profit

Where to Get Parts at 50% Lower Prices
Free Bonus!!! Learn How I Make $3,500 to $5,000 Monthly Buying & Selling Broken Laptops


Average Profit for each Laptop Repair is about $100. Most take less than an hour once you've mastered the Laptop Course. One person can easily do 2-3 of these per day while still working on other things.
From repairs alone, it's easy for a one-man operation to be producing a $1500 per week income. That averages out at just under $80,000 per year.
With refurbishment, we'll teach you how to sell broken laptops at 100% more than the price you paid. You'll make an average profit of $120 on each laptop you refurb. Higher, once you use our methods for sourcing parts cheaply.
From refurbishment, working solo you can expect to do 2-3 a day, this will allow you to make a profit from $62,000 - $100,000 every year!
The Laptop Course teaches you to easily scale up your refurb business, and once you start doing that and training employees with this course, the sky is the limit. The market for 2nd hand laptops is at the beginning of a huge growth curve, your potential profits are only limited by the size of your ambition.
Once you combine the 2 Business Models we teach you, a six-figure income isn't a dream, it's an expected reality.


The Best Time To Start


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Would love to know how you diagnose motherboards on a component level. What tools do you use?


I find it is very hard to explain this. actually, it is very simple and can be described in two words: current and singal. read the current change during booting tells you where the machine stopped. check the singals on the different part of motherboard tells what is wrong or what may missing.
Tools are: smd rework station, bga rework station, power supply has current meter. all the rest tools you can find in any radio tv repair shop.of course all the datasheets for the components, especially the schematic diagram, you will find it much difficult without it.




What are common faults on mainboards?
Do certain components fail? Is there a trend as to which parts fail quite often?




Different maker/model has different common fault. Toshiba S1 is vga chip, and can't be repaired(well, almost can't be repaired because the pcb quality is not very good so successful rate is very low).
HP DV2000, 6000, 9000, compaq v3000, v6000, dell 1210, all those use nvidia chips have problem on vga chip or north bridge. easy to repair but have to make fan keep spinning after repaired, otherwise will break down in 1 or 2 week again.
hp nx5000, cpu pwm chip dry joint. acer 290, cpu pwm dry joint.
hp dv1000, compaq m2000 protection circuit easy to blow up.
ibm t40 vga dry joint problem.
These are just few of them. every machine has its own common fault. but dry joint is the common problem for all machines. Motherboard repair is not as difficult as people thought, i think much easer than repair a tv.


 How i fix a DV6 with power problem. The problem of machine is it cannot power up at all.

Doing routine check:
1. system power: 3V, 5V all presented - ok
2. NBSWON signal: 3.3V presented - ok
3. press power button, NBSWON pull down to 0V, ok
4. check DNBSWON while press power button, no response. - problem.
in here I made a mistake, I didn't pay attention of the voltage of DNBSWON, this mistake waste me the next few days time. It should be 3.3V, but only about 1V.
Change EC as usual, because I thought the EC has problem. Then the big trouble comes - it auto power up once I plug in the power but stop in 0.04A current. Check and find no S5_ON signal, which indicate south bridge has problem, so change south bridge. But still same problem and still no S5_ON. I find that the EC I change is kb3926A rather than kb3926C. In most case, this is no problem but in very rare occation...
So I find a 3926C and put on. Now the motherboard is back to the same problem while I first start to check! So I change a wrong EC and this time I change a correct one, and also EC has no problem!
Because EC will start to read bios once the power plug in(not as people think, once you press power button). I check BIOS chip, BIOS_CS should have a countinue wave form but it just one stright line. BIOS chip is faulty, I replace the BIOS chip and it works perfect.

Dell 1525 Inspiron that says system does not recognize the installed battery this system will not charge the battery.

Charging battery in Dell laptop involves two major chips: EC(or someone call it super IO), PWM chip for battery charging. BIOS has no part of charging. Battery communicate with EC through SMB(system management bus??) and EC controls charging PWM. Fix charging problem is very hard in laptop repair, you must fully understand schematics, where all the signals come from and where to go.

Today's laptops are less and less with programmed EC, Dell 1525 has no programmed EC so it can be replaced with same model.





Download all courses via the Internet. Also a copy of the course will be sent to you via email attachment. Download, print and study at your own pace
Learn New Innovative and Productive Techniques: Discover new ways to be productive throughout your day with these Repair tips and tricks.


Attend classes at anytime and from anywhere in the world
Available 24/7 Middle of the night. You need a quick answer on how to get a task done on your Laptop. Jump online and read about the fault. Problem solved.


We provide high quality courses with much lower tuition than other training organizations.
Clear, and Comprehensive Training Our Trained Laptop Repair Specialist will help you with any questions, provide you additional resources, and keep you up-to-date with rapidly changed technologies.


Technical Questions ? 


Find Answers to Your Laptop Problems Now

Secret Codes: 

Know All The Most Important New Secret Bios Codes
We strive to be the number one institute offering the most competitive Laptop courses which cover the entire essential areas varying from its hardware to software parts. Hence, after completing the course you will be able to fix any laptop problem.



Niche Skill:

 Right now, the skills taught by the Laptop Course aren't widely known, in 5 years they'll be as commonly known as PC Repair. So now is the time to establish a dominance of your local/national market before the competition discovers it.

Scarcity = Higher Profit - Given the fact that this is currently a niche skill, you can earn double the wage of someone who does more common tech repair. But to enjoy this over-valuation, you have to take advantage of it now!

Prices Rising - A few years ago, people thought it ridiculous to spend more than a couple hundred dollars on a Laptop. Now, new models are coming out at $2000 and this will only increase. This means two things for our students:


  • People will spend more on repairing their Laptops. 
  • People will spend a lot more on refurbished Laptops.



 This means the potential customer base will boom in the next couple of years.

Laptops Being Kept For Longer

 Given the higher price tags and better build qualities of today's Laptops, people are no longer regarding Laptops as temporary commodities.



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Laptop Schematics Download




Free 1000+ Laptop 

Schematic Motherboard

Circuit Diagrams


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Course Content Details 






"I have gone through all the lessons. I find them easy to understand. I also like the laptop schmatic diagrams. I may start my own business. I plan to use this course to fix my computer when needed. I would highly recommend this to family and friends. Thank you for offering this course. It is much cheaper than most courses and it is easy to understand."

- Andres Pabolo: Mexico




Step By Step Tutorials



The Most Complete  Hands On Laptop Repair Methods and Techniques -

No More Mis-Diagnosing, No More Needless Motherboard Replacing !!




Motherboard Chip Level Repair


Different levels of motherboard component level repairs

For Example
Level 1 - DC Jack/Fuse Replacement
Level 2 - Power IC Replacement (6-12 pin ICs)
Level 3 - Controller IC Replacement (200-400 pin ICs)
Level 4 - BGA Rework Reflow (Northbridge / Southbridge / Graphics Chips)
Level 5 - BGA Reballing




Laptop power problems are usually caused by a faulty/wobbly DC jack, which stops your laptop from recharging or powering up

Common Symptoms are:
+ Your laptop battery will not charge
+ Wobbly DC Jack Power Connector
+ Intermittent Battery charging
+ Screen Dims and brightens often
+ When power supply moved laptop turns off
+ The charging light may not illuminate.
+ A burning smell coming from the DC Jack
+ No Power


Power Problems

Laptop power problems are also caused by a faulty power sections on the motherboard, which can stop your laptop from recharging or powering up

Common Symptoms are:

+ Turns off after a while
+ Not turning ON
+ Not charging battery
+ Power supply light blinking when inserted
+ Battery does not charge even though a new battery has been purchased
+ Battery does not charge even though a new Power supply has been purchase.



Laptop Lcd Screen Problems


Screen Corruption


Laptop display problems are also caused by a faulty screen or VGA chip on the motherboard, which can affect the display. 80% of the time its a fault with your onboard Graphics Card. These graphics chips are BGA form factor, Ball Grid Array chips cannot be resoldered using convention soldering irons.

Common Symptoms are:
+ Multi Colours
+ Multi unknown alphanumeric characters
+ Blank Screen
+ White Screen
+ Flickering Screen
+ Lines on Screen
+ VGA Chip
+ Power Light but no display




Dim Display problems are usually caused by a faulty inverter or Cold Cathode Fluorescent Lamp in side the screen, which stops your laptop screen from illuminating.

Many companies tend to replace the screen if the CCFL is faulty, this option is much more expensive, where as you can replace the CCFL for a fraction of the price.

Common Symptoms are:
+ Faint Windows Logo
+ Turns on and Windows Login Sound is Present but nothing on screen
+ Blank Screen




Laptop HDD problems are usually caused by a faulty IDE Controller, HHD connector on the motherboard or a Faulty HDD. Common Symptoms are:
+ IDE error
+ Operating system not found
+ Ntdlr missing
+ HDD hanging
+ Clicking noise from HDD
+ Whining noise




Liquid Spills cause components to short on the motherboard. So the best thing is to turn off your laptop immediately and mop downany excess liquid with paper towels (do not use a hair dryer as that will cause more issues).

Make sure the battery is removed immediately.
Liquid spillage can cause rusting if the laptop is not repaired immediately.

Common Symptoms are:

+ Keyboard Sticky
+ No power
+ Failure of drives
+ Motherboard Failure


DIY Laptop Video Chip Reflow Method

DC Jack Soldering And Desoldering Guide

Repair For Liquid Spilled On Laptop

Hands On Laptop Testing and Repairing

Information about PCB Testing, Tools Needed For Properly Testing The Motherboard, And How To Use Them Learn to Use An Oscilloscope, An ESR Meter, A Multimeter, learn capacitance and resistance testing, Learn Voltage And Ampereage, And More!

1000+ Motherboard Schematics

Electronic Component Testing E-Books

Online Guide For Determining What Is Wrong With The Laptop

Laptop Screen/Bulb Testing And Repair

Hard Drive Repairing (recover from a "head crash", learn data retrieval, Learn to repair read-write arm failure issues, platter issues, and more)

Free Downloads Are Included, Laptop repair software tools Included!!


The Best Laptop Repair Website!!


---------->   WHAT YOU ALSO GET   <----------

1.) Lifetime Access To My Private Online Instructional Website, which is Upgraded/Updated On A Regular Basis which will teach you how to repair Laptop Computers the Correct way.
2.) NEW!!!!! Just Added, 1000+ Schematics for HP dv2000/dv6000/dv9000 and Compaq v6000/v3000
3.) Free Ebooks ! Motherboard Testing, Using A Multimeter, Testing Components and Much More! ($100 value)
4.) Free Software Tools,Schematics/Diagrams For Most Make/Models, Videos Of The Process, Captioned Photos, Vector Rendered Drawings, Service Manuals And Mods

Repair Your Laptop's Faulty Video Issues
Non Booting Laptop
Continously Rebooting Laptops
No Display on Screen Issues
Laptop Not Recognising Components
POST Beep Issues
Freezing and Restarting Issues
..Learn To Repair ALL Laptop Computer Issues, All Here...



Step By Step Laptop Video/GPU Repair METHOD


Have Your Laptop Back Up And Running Perfect Today!!

Web Link Includes... Detailed Step By Step Instruction, Pictures, News, Schematics, Tutorials, And More...
Updated On A Regular Basis.. New Content Added
EVERY Laptop Technician Needs To Know This Information!! It Is A Must!!
You Will Save Your Customers Hundreds Of Dollars, And Gain More Business And Knowledge Yourself Being Able To Repair These Faulty Boards Instead Of Replacing Them!!
And............. To The People Needing Just The "One Time Fix" This Will Guide You Through it.



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