Highlight Tutorial Videos

In this video we will show you RAM circuit of different DDR3, DDR4,.. laptops using schematic files and also give you all the information about important voltage and signals of RAMs.

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Monireh Makhour

1

How to detect CPU failure in Asus X556

In this video we have an Asus laptop which doesn’t turn ON and by checking the board we realized that PCH voltage is problematic and as it is so common and many repairmen might have difficulties detecting such issues, we decided to capture this...

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Monireh Makhour

0

How to Repair and Analyze Surface Pro 4 Motherboard

This video is about repairing Surface Pro laptop with motherboard model of 1724 which is turned OFF and the battery was changed a few times. We analyzed the laptop in order to be more familiar with different blocks of it and also to be able to...

M
Monireh Makhour

1

How to install SVOD4 programmer on windows 7 and 10

We published several videos about working with older versions of SVOD software and in this article, you can find 2 videos of how to install SVOD 4 on windows 7 and windows 10. Stay with us :):) Click the link below to download the latest version...

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Monireh Makhour

4

How to make ZIF adaptor for BGA Bios ICs

Watch the video below to see how to make ZIF adaptor that can’t be found easily on the market. You can use it for programming new laptops’ Bios ICs that you don’t have their Bios ZIF adaptor. Master: Ahmad Safari This video has been dubbed into...

Ahmad Safari

1

How to Repair Asus X540 Laptop that Won't Turn ON

We have an X540LJ Asus laptop in this video that doesn’t turn ON nor draw any current by connecting it to power supply. The primary voltages get present but the laptop doesn’t turn ON by performing the switching ON process. We found and solved...

Ahmad Safari

2

How to Solve X540 Laptop Not Save Bios Settings

In this video we have Asus X540 laptop with a failed battery and as RTC voltage gets provided by the device’s battery in these models and they don’t have RTC batteries themselves, these laptops don’t save Bios settings such as time and date. And...

Ahmad Safari

1

HP ProBook 450-G0 Motherboard Won’t Turn ON

In today’s video we have an HP ProBook 450 G0 laptop’s motherboard which was brought by a colleague who’ve worked on it but couldn’t repair it. The problem is on the input where voltage is present but doesn’t enter the board. This is an...

Ahmad Safari

1

HP Pro x2 Turns ON but with No Image

A windows tablet can be fun to repair. In this video we have HP Pro x2 tablet with touchscreen like Microsoft Surface, and the problem is that it turns ON but there is no image on the screen. Watch the video below to see how to repair it. Stay...

Ahmad Safari

0

Audio IC Failure and Testing Speakers

In this video we have a laptop with sound problems. It doesn’t have any software related problems and the drivers are properly installed but there is no sound. We’ll show you how to test speakers’ health and also how to detect the problematic...

Ahmad Safari

0

How to Fix Screw Hole of Laptop Hinge

In this short video we have a spare laptop frame with a broken screw hole. Watch the video below to see how to easily fix them with adhesive. Enjoy 💚💚

Ahmad Safari

1

How to Solve 3 and 5 Voltages Drop in Samsung NP300

There is a Samsung NP3005E laptop in this video with an overheating 3 volt and 5 volt IC and also intense drop in 3VALW and 5VALW voltages. All these problems cause laptop not to turn ON so we’ll show you how to repair this device if you come...

Ahmad Safari

0

How to Repair Lenovo NM-A471 that Won't Turn ON

In this video we have a laptop that doesn’t turn ON. The laptop we fix is Lenovo Ideapad 300 with NM-A471 motherboard. Watch the video below to see how we troubleshoot and repair the laptop by checking power voltage of the board and also applying...

Ahmad Safari

3

How to Convert ACER LA-7912P DIS to UMA

In this article you see the conversion of Acer LA-7912P laptop from Graphic to non Graphic. This method has been tested and totally works without any issues. Good luck 💚💚

Ahmad Safari

1

How to Repair Graphics cards

In this video we have several graphics cards to repair so that we decided to capture this video to show you how to troubleshoot and repair them and also analyze their circuits. This video can be a resource to help you repair different brands and...

Ahmad Safari

2

Adapter Protects When Plugging in Laptop - Dell 5520

In this video, we’ll show you how to solve a common problem which you can see on laptops of different brands and that is when motherboard has short circuit and in order to prevent it damaging the board, adapter protects it by disconnecting the...

Ahmad Safari

0

Lenovo G50-80 Hangs with Adaptor - Keyboard Doesn't Work

In this video we repair a Lenovo G50-80 laptop which was brought by a colleague. Apparently they solved short circuit of IO and also changed it, but then the laptop faced 2 issues. The first issue is that some keyboard keys don’t work and the...

Ahmad Safari

1

How to Disable Onboard RAM and Graphics Card of Asus X552C

The laptop we are repairing in this video is Asus X552C which was sent by a colleague with the problem that blue screen appears while working and therefore asked us to disable the laptop RAM. But what we should do in a situation like this is to...

Ahmad Safari

0

How to Repair Burned PCB of Laptop

In this video we have a Dell DAJW8CMB8E1 laptop which has severe short circuit in its RAM power block and also damaged PCB. In the video below we will show you a way to make a module for the times that you need to repair a laptop with major short...

Ahmad Safari

1

How to Solve Asus Laptop No Image through LVDS Problem?

In this video we will be repairing an Asus X541UV laptop that has a unique and interesting problem and it is that image doesn’t seem to appear through LVDS or sDP while it appears through VGA. Watch the video to the end to see what to do in a...

Ahmad Safari

1

Learn more about signals in laptop repairing - Compal

This video is about the role of Signals in laptop repairing. The names of signals might differ in different boards but in this video we’ve specifically analyzed signals and their duty in Compal boards. We’ll analyze signals of other brands in...

Ahmad Safari

9

How to Find Similar MOSFETs

We’ve been getting a lot of questions on forum about how to replace damaged, problematic or failed MOSFETs. And as many of them can’t be found easily on the market with the same specifications, we tried to show you how to find similar MOSFETs of...

Ahmad Safari

0

How to Repair Laptop Ribbon Flat Cable

We will be repairing 2 laptops on this video which have image problems. They were taken to another repair shop before but unfortunately they were unable to fix their issues. In this video, you’ll see the troubleshooting and fixing processes of...

Ahmad Safari

0

How to Repair Charging and No Image Problem on Asus R542U

In this video we have an Asus R542U laptop which was brought to us with 3 problems: 1: LVDS doesn’t have an image output but VGA does. 2: Laptop turns OFF right after plugging out the adaptor from the laptop and in other words it doesn’t detect...

Ahmad Safari

3

Applying Voltage and Repairing Motherboard by Allegro Software

In this video there is an Acer E5-575G laptop with ZAA X32 motherboard that doesn’t turn ON. The boardview and schematic are both available but the tricky thing about this device is that the boardview file should be opened on Allegro software...

Ahmad Safari

5

How to Repair G505 that Boots up But with No image

This video is about repairing Lenovo G505 with LA-9912P motherboard which has display/ image problem. By checking the initial voltages, we realize that the device boots up completely but no image seems to appear. This video is captured live to...

Hosein Asadolahi

3

Step-by-step repair of NM-A361 motherboard

In this video you’ll see the process of troubleshooting nm-a361 motherboard as showing the process of troubleshooting laptops has been requested a lot. This laptop doesn’t switch ON and we’ve captured how to troubleshoot and repair it to let you...

Hosein Asadolahi

3

Using Ram Reader Direction instead of the Problematic USB

In this video, we have a Lenovo G50-70 laptop with NM-A271 motherboard that has a problematic USB port. We will solve the problem by connecting wire to other blocks, we use Ram reader block on this video but you can also use Bluetooth, webcam...

Ahmad Safari

0

All About Transformers

Following the concept of Basic Electronics, we will analyze Transformers on this video, in a way that you’ll begin with showing you its symbol and the way it functions, then you’ll see how it’s tested and the different types of this electrical...

Davood Amanikor

0

Dr-Bios Experience In Laptop Repairing Part 5 - Changing Motherboard Components

This is another video of Dr-Bios’ experience series about laptop repairing in which we’re going to show you how to change motherboard components as on most of our tutorial videos, we don’t capture the process of changing components in order to...

Hosein Asadolahi

6

How to Fix Motherboard Corrosion in Dell N5110

Today’s video is about repairing Dell Inspiron N5110 laptop which has short circuit due to being intensely burned which has caused a part of PCB to be completely removed. The video below shows you how to properly fix the damaged parts and repair...

Hosein Asadolahi

0

Repairing Water Spillage Laptops

There is an Asus X554L laptop with water spillage problem which leaked into its board and there are water stain and electric spark marks due to short circuit. You can see repairing process of this type of problem and also see how to find the...

Ahmad Safari

0

How Do Relays work & How to Test them

Relay is one of the most commonly used electronic components and on this video, which is a basic electronic video, we will analyze different types of Relay including Solid State Relay (SSR) and Electromechanical Relay (EMR). We will also explain...

Davood Amanikor

0

Dell Inspiron 14 N4050 Dis to Uma

This is how to convert Dell Inspiron 14 DV14HR MB DIS to UMA. This is tested and works 100% accurate. What you need to do is to remove the marked inductor and resistor. 🌸 💚 😊

Hosein Asadolahi

1

How to Convert HP DV6-3000 AMD Quanta LX8 Graphic to Non Graphic

In this article we show you how to convert HP DV6-3000 AMD Quanta LX8 graphic to non graphic. You only need to download the file below and do as told in the pictures. Enjoy 💚 🌸

Hosein Asadolahi

0

How to Convert Dell Vostro 3500 DIS to UMA

As the name of the article represents, here we are with a conversion. All you need to do is to make the simple changes mentioned on the pictures and get your laptop converted to UMA. Good luck ;) 💚

Hosein Asadolahi

0

How to Convert HP 4520s Discrete to UMA

This is how to convert HP 4520s graphic motherboard to non-graphic and it is a tested method. Motherboard model: H9265-4 Enjoy 💚 🌸

Hosein Asadolahi

1

How to Disable Asus X555LD RAM

A lot of repairmen usually have questions and problems with disabling On-board RAM of laptops. So we’ve decided to capture this video to show you how to disable 4GB On-board RAM of Asus X555LD with no image problem. Enjoy ;) 💚

Ahmad Safari

5

Everything about Inductor

This is another episode of Basic Electronic series in which we will analyze an electronic element called Inductor. The most important theoretical and practical concepts of inductor (Coil or choke) element are covered on this video, from testing...

Davood Amanikor

4

What is Diode – and its function in circuits?

In this video, we tried to analyze Diode, an electronic component that’s commonly used in electronic circuits. But as it’s a vast concept, we only presented important points and the usage of the component. And also different types of Diodes such...

Davood Amanikor

1

Different Types of Capacitors - How to Test Them

This video is mainly about analyzing capacitors, from showing you different types of capacitors to troubleshooting and testing them. In other hand, you’ll get to see the function of capacitors in different types of circuits, how to test them and...

Ahmad Safari

4

Pin Configuration for SVOD1 Programmer

Since SVOD1 programmer's access to the online database was cut off, we decided to put a list of the pin configuration of different motherboards in this article to make it easier for all users to access them. Please let us know if we missed any...

Salimeh Bolboli

5

How to Create Bootable UEFI USB Flash Drive

As you know, the process of windows installation is not a very difficult thing to do but it is a bit different in slightly newer ones which means most of them face problems in the first steps of windows installation. And as there is no videos in...

Hosein Asadolahi

3

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 about this video 😊 Enjoy 🌸 ;)💚 This video is...

Hosein Asadolahi

3

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 the video bellow you’ll see different types of...

Hosein Asadolahi

9

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 we plug in the adaptor (with no battery), it...

Ahmad Safari

0

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 you how to disassemble this model of Asus laptop...

Ahmad Safari

1

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 motherboard which caused to burn different ICs on the...

Ahmad Safari

1

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 motherboard and this table is so helpful in the process of...

Ahmad Safari

8

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 checking power. Enjoy 🌸 💚

Ahmad Safari

0

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 capacitors and how to test them. You’ll also realize...

Ahmad Safari

1

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 often occurs in voltage directions, we’ll need to...

Ahmad Safari

0

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. That's why in this tutorial video, I explained...

Ahmad Safari

7

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 issue with this method or similar methods. Stay...

Ahmad Safari

5

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 professional levels. In this way he/ she would be a highly...

Hosein Asadolahi

6

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 distinguish a single MOSFET from a Dual MOSFET before...

Ahmad Safari

2

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 has a problem. The dark screen doesn’t get solved...

Ahmad Safari

4

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 NO:ZRK DA0ZQKMB8E0 REV E ZQK

Ahmad Safari

4

Macbook Pro A1286 DIS TO UMA

In this article we’re going to show you how to convert MacBook Pro a1286 2011 - 820-2915 Dis to UMA by applying some simple changes. All you need to do is to remove Graphic Chip and connect wire exactly as shown in the pictures.

Hosein Asadolahi

45

How To Measure Drawn Amperage Of Systems

Sometimes a power supply or an adaptor has no power to boot up your system but you want to know how much current your system needs to switch ON?! In this kind of situation, you need to measure drawn current of the system using a multimeter. In...

Ahmad Safari

1

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