Highlight Tutorial Videos

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

How to Change and Program EC chip in Lenovo G50-70 with SVOD3 and TNM5000

You can practically see how to change IT8586E IO IC and you’ll get familiar with all the details of programming IO by SVOD3 and TNM5000 programmers. Stay with us and tell us what you think about the video in the comment section :) This video is...

Admin

0

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 SMC_RESET_L signal are generated and we’ll analyze them as...

Hosein Asadolahi

8

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 Voltage” or the screen backlight might have been...

Admin

0

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

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 monitors, so make sure to watch the video ;) Stay with...

Ahmad Safari

0

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

Solve "Manufacture Programming Mode Is In Unlock Mode" Error

We usually face “Serial Number” or other similar errors after programming Bios in HP laptops. We have a video on the website in which we have fully shown you how to solve the error. But the problem is that in newer devices, we face “Manufacture...

Ahmad Safari

8

How To Solve CPU Power Voltage Absence In Z570 Lenovo Laptop

In this video, we have a Z570 Lenovo Laptop which switches ON as soon as plugging in its adaptor. All the voltages are present except for CPU power voltage. We’ll check CPU power block and you can see how to remove and test capacity of...

Ahmad Safari

12

How To Repair Backlight Problem In Fujitsu AH54

In this article we have a Fujitsu AH54 laptop that turns ON but with no backlight on display. As there this model didn’t have any schematic files, we had to use LED panel to recognizing jack pins and solve the problem. This laptop has 3 problems...

Ahmad Safari

0

How to Change Mac Address on Modems

In this article we are going to teach you how to change the Mac address on Modem devices :giggle: 💚 Most of the times, to solve software problem of a modem, it is necessary to program Flash IC inside a modem by programmers such as TNM 5000. So...

Vahab Hemmati

1

WDS-620_BGA-REWORK-STATION

As you may remember, we posted several articles about BGA machines and their function, equipment, accessories and explained their descriptions. But in this video, we would like to talk more specifically about one of them, WDS-620 BGA machine. And...

Hosein Asadolahi

0

Everything About TNM5000 Universal Programmer

23000 Supported Devices Flash Memory (Parallel / Nand /Serial) , EPROM , EEPROM , Serial EEPROM , Microcontroller , NVRAM , FRAM , CPLD , PLD , FPGA). 48-Pins ZIF Socket with Pin Continuity tester & 10-Pins ISP/JTAG Connector. USB 2.0 High...

Admin

0

How To Program KBC Chip By TNM5000 Programmer (Tutorial Video)

In this tutorial video, you get to know how to program IC/IO by TNM5000 programmer. Hope you enjoy watching this video and watch our other videos and we are looking forward for your feedbacks.

Hosein Asadolahi

1

How The IC IO To Take ROM Backup RT809F?

How the IC IO to take ROM backup? K45VD EC KB9012QF A3 Column 1 Column 2 Column 3 Column 4 Column 5 Name / Symbol KB9012 RT809F JKB1/KEYBOARD Note EDI_CS /KSI4 59 5 15 5 RT -> 15 KB EDI_CLK /KSI5 60 10 19 10 RT -> 19 KB EDI_DIN...

Admin

4

Latest Update Of Vertyanov Programmer Software

From now on we will put Vertyanov programmer’s new updates in this article and every time there is a new version we will update this article. As you know Vertyanov programmer can program different kinds of I/O such as: ITE, NUVOTON, ENE, MEC, it...

Admin

0

How To Program ITE IO With Vertyanov Programmer

There is a new programmer called Vertyanov. The name sounds Russian. Yes the Vertyanov programmer is Russian :) In the video bellow, all the information and details of how to use the programmer are shown. You can see how to use this programmer...

Admin

0

Everything About Vertyanov Programmer (A-Z)

Who can use I/O programmer? I/O programmers are usable for all laptop repairmen! Theres a revolution in laptop motherboards since 2012. If you are asking what kind of revolution is it, keep reading this article. EC IC that has 8 pins and placed...

Hosein Asadolahi

0

Last Update Of SVOD Programmer Software

This is the new update of SVOD programmer and every time the company shares new updates for the software, we will put it in here (this article will be updated once the new update for the software is released) As you know you can program different...

Admin

1

How To Test Keyboard With SVOD Programmer

Today I’ll introduce a capability of SVOD programmer. You might have come across this problem “some keyboard keys won’t work after changing IO”. And you might wonder if the problem is caused by keyboard or IO isn’t properly connected to the...

Admin

0

How To Install SVOD Programmer Driver In Windows 10-64 Bit

This video is captured for those who have SVOD programmer and want to run it in windows 10-64 bit. All the steps are shown and explained.

Admin

0

How To Use SVOD Programmer From A To Z

This video is: How to use SVOD programmer from a to z… I suggest watching the video, for those who wanna buy the programmer and the ones who already have it. It consists of the topics bellow: Programmer introduction The use of SVOD programmer in...

Hosein Asadolahi

3

Whether SVOD Programmer Are Able To Programme Ite8585e?

Whether SVOD programmer are able to programme ite8585e? this is the questions of many repir person and they wanted to be sure about it. Today we are going to show in this tutorial video , how to programme IC I/O ite8585e on ASUS x552 and how to...

Admin

0

How To Use SVOD Programmer (Tutorial Video)

Here in this video you will learn about how to use SVOD programmer! This tutorial video educate step by step the process of programming IC I/O This SVOD programmer supports these series of IC I/O: ENE KB90xx, ITE8586, ITE8580, ITE8585...

Hosein Asadolahi

0

How To Use SVOD Programmer KBC, SPI, I2c, MEC, ITE

This programmer is the new version of the late programmers and it's very easy to work with it. It's not manual; it means by the use of its software, you can connect I/O pins to keyboard connector. In revision 5.1 there was added an option to...

Admin

0

How To Repair Monitor Part 15 T-CON Board

This is the 15th video of repairing monitor in which we have analyzed the important and complicated board of screens, T-CON board. In this video you’ll be familiar with the concept of image processing and showing image on Full HD screens. On this...

Oktay Nikpey

1

Macbook Repairing Tutorial Part-2 Charging IC ISL6259

This is the second part of MacBook repairing tutorial videos in which we’re going to continue talking about the concept of MacBook schematic reading. And in this video we have analyzed Charging Microcontroller function and see how it works in...

Hosein Asadolahi

3

The Importance Of The Table Of Voltage Rails In Laptop Repairing

What to do when a laptop turns ON but there is no dispaly? The table of voltage rails is available on the second or third page of most schematic files. This table is very valuable for repairmen because it shows the presence of different...

Oktay Nikpey

22

How To Repair Monitor 14- Repairing LG W2286L

The monitor we have on this video is LG W2286L with LED screen. The monitor is OFF and power LED blinks every 2 seconds and so much work is done on the mainboard. By watching this video you’ll see the troubleshooting process- ohm check and volt...

Oktay Nikpey

0

About Laptop Components Part 3 Power Mosfets 3

As a follow-up of the two previous parts on analyzing the obligations of Power MOSFETs in laptop power circuits, today you will learn about the obligations of High-side and Low-side MOSFETs. By watching this video, you will learn how complex...

Oktay Nikpey

0

MacBook Motherboard Repair Course Part 1

How To Read Macbook Schematics- Part 1 Today we are pleased to have Hossein Asadollahi back on Dr-Bios.com's technical team to share his experience and knowledge as a MacBook Repairing tutor. As you know, the schematic of MacBook and other...

Hosein Asadolahi

4

Not Booting Up Problem In Lenovo G500

Today’s laptop is Lenovo G500 which hangs in the logo when it turns ON. It was taken to another repair shop before and its Bios has been programmed a couple of times! Because when laptops hang in the logo, it means that the booting process...

Ahmad Safari

0

About Laptop Components Part 2 Power Mosfets 2

In the previous video, I analyzed Power MOSFETs as one of the important components in laptops. In this part, I talk about the conduction mechanism of power MOSFETs and their obligations in laptop circuits. By watching this video, you will learn...

Oktay Nikpey

1

How To Repair USB Data Direction Disconnection In Asus K550V Laptop

This video is about repairing a USB 2.0 port of laptops and as you might remember, we have fully analyzed the port previously in this article. And in this video, we have an Asus laptop with a problematic Data direction in its USB 3.0 port which...

Ahmad Safari

2

Dr-Bios Experience In Laptop Repairing Part 4 About Testers Ohmmeter 2

A tester such as an ohmmeter is an important and valuable tool. That is why in this video, I show you how to test the accuracy and health of analog and digital multimeters in a way that you would be able to perform your checks in simple and...

Oktay Nikpey

0

About Laptop Components Part 1 Power Mosfets 1

Near 30 components are used on laptop motherboards nowadays. I want to check these components in order of their importance. Since more than 70% of laptop common problems are related to power block, I decided to start from Power MOSFETs in this...

Oktay Nikpey

10

How To Repair Surface Pro 4

In this video, we have a Surface Pro 4 which doesn’t work with its battery connected and by switching it ON with its adaptor plugged in, the display comes for a second and goes OFF right after and the device goes to “Sleep mode” and one thing to...

Oktay Nikpey

0

Dr-Bios Experience In Laptop Repairing Part 3 About Testers Ohmmeter 1

Many repairmen believe that analog multimeters are obsolete and they are not as efficient as digital ones. What do you think? Do you agree or disagree with this thinking? This video starts by answering this question, and then names the...

Oktay Nikpey

4

How To Repair Monitor Part 13-Repairing Samsung S19C150

In this video, you’ll see the repairing process of Samsung S19C150 monitor which is OFF and doesn’t switch ON. As you know, the initial step for troubleshooting an OFF monitor is to check its power block voltages. Power of this monitor is...

Oktay Nikpey

0

Dr-Bios Experience In Laptop Repairing Part 2 Injecting Voltage To Motherboard

How to Inject Voltage to Motherboard to Find Short Circuit? Today, you will learn how to inject voltage to motherboards to find shorted components. In this video, you will see how I inject voltage to Lenovo B570 motherboard. Adaptor voltage...

Oktay Nikpey

3

Monitor Repairing LG And X.Vision Mainboards- Part 12

In this video you will see the repairing process of 2 monitors; the first one is LG_W1752S with LCD screen which has two problems (one problem in power board and the other problem in mainboard) and the second one is X.Vision XL1920AI with LED...

Oktay Nikpey

0

Dr-Bios Experience In Laptop Repairing Part 1 Detecting IC Pins

We have good news for you! From now on we are going to record videos on repairing experience of Dr-Bios Technical Team. These videos would include repairing different hardware components such as repairng laptop hardware. This is the first part...

Oktay Nikpey

0

How To Repair Monitor 11- Analysis Of Mainboard Signal Block

In this video you’ll see the analysis of signal block of motherboard mainboard which is the most complex and most important block of monitor. So for better understanding, we’ve tried our best to analyze the function of the circuits more...

Oktay Nikpey

0

How To Troubleshoot OFF Laptop In Simple Terms

How to Troubleshoot OFF Laptop in Simple Terms Laptop Name: Acer Travelmate 6595 Problem: OFF Primary Troubleshooting: No sign of water spillage, burning or manipulation. Volt-check done: No voltage was present on any of the inductors. Only B+ is...

Oktay Nikpey

2

How To Change And Program I/O In Lenovo G50-70

In this video, we have Lenovo G50-70 laptop with a problematic IO. You can practically see how to change IT8586E IO IC and you’ll get familiar with all the details of programming IO by SVOD3 and TNM5000 programmers. Stay with us and tell us what...

Ahmad Safari

0

How To Repair OFF Laptop Lenovo G50-80

The laptop in this video is Lenovo G50-80 with NM-A361 motherboard that’s OFF and there is no short circuit, also no current draw and only B+ is present on the circuit. By watching the video, you can learn the principles of troubleshooting this...

Oktay Nikpey

0

MSI H61M-P21 B3 Short Circuit Problem

MSI H61M-P21 B3 Short Circuit Problem In this video, I'll repair MSI H61M-P21 B3 which has a problem in power block. You'll learn about power supply functions as well as power sequence. At the end, I will ohm check motherboard power block and...

Ahmad Safari

1

How To Troubleshoot Sony-VGNSZ58GN OFF Problem

The board that we have in this video is a complete turned OFF one which draws low current. And the voltage is only present on input jack of adaptor. This is a complementary video of the previous one which was about repairing motherboard Asus-...

Oktay Nikpey

6

How To Repair An OFF Motherboard Asus-X555LD

In this video, we have an Asus X555LD motherboard which is completely OFF even though everything looks fine and normal. There is also no sign of water spilling or burn. And we’ve checked the board with power supply and realized current isn’t...

Oktay Nikpey

0

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