Highlight Tutorial Videos

Laptop Bios Password Removal, Unlock Bios Passwords with Dr-Bios.com

Unlock BIOS Passwords with Dr-Bios.com At Dr-Bios.com, we are proud to offer a wide range of BIOS unlocking services for various models, including Dell, HP, Lenovo, Acer, Asus, Sony, Panasonic, and more. Our expertise ensures that your device is...

Admin

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Important Voltages and Signals of RAM

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.

M
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...

M
Monireh Makhour

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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...

M
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 Lenovo G50 charging circuit problems | Battery overcharging by 250%

In this video we repair Levono G50 with an interesting problem. The laptop detects the battery but right after disconnecting it, the laptop turns OFF. And sometimes the battery charge goes up to 250%. Watch the video below to see the process of...

Ahmad Safari

1

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

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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

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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

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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

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How to Repair No Image Problem in Asus EP5Q-E Desktop Motherboard

This is how to fix Asus P5Q-E desktop motherboard which doesn’t turn ON. We will troubleshoot the board’s problem by checking power voltages. Checking voltage and ohm of boards play important roles in detecting and also fixing their problems and...

Ahmad Safari

1

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

Flickering Image Problem in Asus N53 Laptop

In today’s video we have an Asus N53 laptop with image flickering problem. Changing the LCD and even the flat cable don’t solve the problem as it originates from the board itself. Watch the video below and see the troubleshooting and fixing...

Ahmad Safari

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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

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Adapter Voltage Gets Disconnected When Plugging It in Laptop

In this video, we have a Dell 1545 laptop and its problem is that by plugging in the adapter, its LED turns OFF and also the voltage gets disconnected. This is not a common problem just in Dell laptops but it can be found on other laptop brands...

Ahmad Safari

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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 Fix motherboard without Having Schematic or Boardview

An ASRock motherboard is repaired on this video which doesn’t have any schematic or boardview files. It gets a bit difficult and confusing to troubleshoot and repair devices without knowing which component is which so watching this video is so...

Ahmad Safari

3

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

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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

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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

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How to Program Laptop LED by SVOD3-TNM5000-RT809 Programmer

Lately we have been getting requests on capturing a video and showing the process of programming laptop screen firmware. And even though there are programmers that can program them by default, such as Vertyanov, we will show you the process, as...

Ahmad Safari

5

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

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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

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How to Repair MacBook A1342 that Won’t Turn ON

Today we have a MacBook A1342 that doesn’t turn ON and therefore we have decided to check it and found out that power button has a problem. And after connecting wire to power button, the problem was solved and then laptop turned ON but fan didn’t...

Hosein Asadolahi

1

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

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Analyzing Power and Inverter Blocks of Samsung Monitor

In this video, there is a Samsung SyncMaster 940B LCD monitor that doesn’t turn ON and the power and inverter blocks of the monitor are analyzed and explained through schematic. In the end, we fixed the problem and explained the most common...

Ahmad Safari

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How to Troubleshoot LCD Backlight

In this video, there is a Sony VGN-CS325J with backlight problem and as there were a lot of requests about troubleshooting and repairing older laptops with LCD screen, we decided to capture a video to show you how to distinguish fluorescent lamp...

Ahmad Safari

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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

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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

Analyzing CPU Power Circuit – Testing MOSFET on Board

In this video, we will show you how to test and troubleshoot MOSFETs of PWM block of CPU power on boards. PWM block of CPU power is usually made of several phase and there are more MOSFETs on this block than any other block. And it’s a bit...

Ahmad Safari

4

How to resolve " The system has detected that electric label not exist " problem

USB Key/Drive creation and running E-Label Utility 1. Remove all other Removable Disk devices from your unit and insert the USB Key/Drive that you plan to use for the E-Label Utility. This USB Key/Drive will be reformatted to FAT32 by the...

Vahab Hemmati

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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...

S
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 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 solve this problem and then, as CPU power voltage...

Ahmad Safari

0

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

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 of troubleshooting and repairing this laptop...

Ahmad Safari

1

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

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