Latest Tutorial Videos

Different Types of Crystals and How to Test them

Different Types of Crystals and How to Test them

This video is about how crystals work, their duty on circuits and last but not least, how to test them on laptop and desktop boards. Feel free to ask your questions and let us know what you think...

How to Repair Asus H61M-C Motherboard

How to Repair Asus H61M-C Motherboard

We have an Asus motherboard on this video which turns ON for a second then turns OFF right after. This process repeats itself over and over again. So on the video below, you’re going to see how to...

How to Convert Discrete to UMA- A to Z

How to Convert Discrete to UMA- A to Z

We receive many questions related to disabling laptop Graphic from website members, so we felt the need to capture a video and show you A to Z of disabling laptop Graphic from DIS to UMA. So on...

Not Working RAM Slot-H81M-S2PT Motherboard

Not Working RAM Slot-H81M-S2PT Motherboard

There is a Gigabyte H81M-S2PT motherboard in this video that one of its RAM Slots doesn't work properly. This problem can originate from different blocks. In the below video you’ll see the process...

Repairing Lenovo W540 that Turns ON with Battery Only

Repairing Lenovo W540 that Turns ON with Battery Only

Have you ever had a laptop which works with battery connected but it doesn’t with its adaptor? Well we have a Lenovo laptop on the video below which works perfectly with its battery but as soon as...

Laptop Speaker Diaphragm Repair

Laptop Speaker Diaphragm Repair

We have an Asus N552V laptop in this video. With a problematic speaker that produces weird noise. And as I couldn’t find the speaker on the market, therefore I decided to capture a video and show...

Asus K43SV Turns ON with NO Display

Asus K43SV Turns ON with NO Display

Today, we have an Asus K43SV laptop which turns ON but with no display. After disassembling the laptop and performing the initial tests, I came to realization that there is short circuit on...

How to Repair MacBook Part 3

How to Repair MacBook Part 3

This is the third part of MacBook repairing videos in which we’ll continue analyzing Apple laptop schematics. And on this video you’ll see how the very important voltage, PP3_V42_G3H and...

Repair Laptop LCD Backlight

Repair Laptop LCD Backlight

In this video, there is a Sony VPCF1 laptop with a problematic screen backlight which means there is image but the screen is dark. These kinds of problems can originate from “Inverter” or “High...

What to Do When a Laptop turns ON with Not Display?

What to Do When a Laptop turns ON with Not Display?

Voltage Rail table is on page 2 or 3 of most schematics. This table is very valuable for laptop repairmen because it shows the presence of different voltages in order of priority on the...

Lenovo B590-Solve B+ short circuit

Lenovo B590-Solve B+ short circuit

In this video, laptop input has shorted circuit and by plugging in the adaptor, voltage gets disconnected. You’ll see how to troubleshoot the problem by the method of injecting voltage after...

Capacitor Failure in Repairing Graphic Card

Capacitor Failure in Repairing Graphic Card

We have a Graphic card that its image gets pixelated. After performing initial tests, we realized that the capacitors have failed. In the video below, you will see important tips in changing...

Repairing Water Spilled Asus Laptop-Random Turn ON

Repairing Water Spilled Asus Laptop-Random Turn ON

In this video we have an Asus X541U laptop which apparently turns ON randomly and when I checked the board, I found water spillage marks on it. And due to the fact that the oxidation of boards...

How to Ohm Check Laptop Motherboards using Digital Multimeters

How to Ohm Check Laptop Motherboards using Digital Multimeters

When we are asked technical questions on the Technical Support section of the website, we realize many members have not performed the initial tests or have just become acquainted with the website...

How to Repair laptop CPU Fan

How to Repair laptop CPU Fan

In this video, we have a Sony S series laptop that we did not find its fan on the market. In this short video, we will solve the problem so that if you didn’t find a device’s fan, you can fix the...

How to Solve Not Detecting VGA Port Problem in SAMSUNG Monitor

How to Solve Not Detecting VGA Port Problem in SAMSUNG Monitor

In this video, there is an SA300 Samsung monitor that has 2 DVI and VGA ports and by plugging in the VGA cable, it doesn’t have image (display). This problem is a very common one in Samsung...

basic electronics in laptop repairing

basic electronics in laptop repairing

It is a known fact that if someone wants to learn something -and anything- it would be best to learn it from the beginning and basics to intermediate and then at last to the advanced or...

How to Test Dual MOSFETs

How to Test Dual MOSFETs

There are some MOSFETs on some boards, similar to the picture below, which are so similar to single MOSFETs. In fact they are single High and Low MOSFETs that come in one package. How can you...

Repairing Laptop LED Backlight | Backlight Failure

Repairing Laptop LED Backlight | Backlight Failure

We have captured and published a couple of videos related to repairing LCD backlight but this one is a bit different ;). On the video below, the laptop has dark backlight and the LVDS flat cable...

Disabling Onboard RAM of V5-572G Laptop

Disabling Onboard RAM of V5-572G Laptop

Disabling onboard RAM of V5-572G laptop is tested and approved by Dr-Bios.com technical team and the solution is also shared on the website for the first time. Enjoy 🌸💚 ASPIRE V5-572G MODEL...

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