Highlight Tutorial Videos

How To Repair Short Circuit Of Asus H81M-C

How to Repair Short Circuit of Asus H81M-C Today, we are going to repair Asus H81M-C motherboard. The problem with this motherboard is that, when you press power button, the device (case) stays ON for a few seconds, then, immediately turns OFF...

Ahmad Safari

0

What Is The Proper Time To Program EC

The laptop that’s repaired in this video is Lenovo-G50 with NM-A271 motherboard which turns ON automatically but there is no display. 1.35 RAM and ALW voltages are present but the rest are absent. In this video, you’ll see the process of...

Oktay Nikpey

0

How To Repair Monitor Part 10

How to repair scrap mainboard of LG monitor In this video, you’re going to see how to repair mainboard of LG monitor with W1943S model which has been repaired a lot and a couple of components are even removed from the mainboard and it is been...

Oktay Nikpey

0

How To Solve USB & Sound Problem In Gigabyte GA-VT890P Motherboard

How to Solve USB & Sound Problem in Gigabyte GA-VT890P Motherboard? We had promised you to start a new series of tutorials on desktop motherboard repairing, and so here is the first part of it! Since computer problems may originate from blocks...

Ahmad Safari

3

Monitor Repairing Part 9

In this video, you’re going to get more familiar with power block of mainboard of monitors. And in here we’ve analyzed 3 different mainboard brands and also talked about the important concepts about regulator ICs of power block. So you’ll see how...

Oktay Nikpey

0

How To Repair Acer-P243 Not Switching Problem

There is an Acer-P243 laptop in this video. Which even though 3VALW and 5VALW are present, does not turn ON. We’ll start the troubleshooting process with ON/ OFF button, and you’ll see the process of checking volt on power micro switch and the...

Oktay Nikpey

0

How To Selove No VCORE Problem In Lenovo G50

The laptop in this video turns ON automatically and won't turn OFF. And all the voltages are present except for VCORE, there are no overheating components nor a short circuit. You'll see how tocheck VCORE power circuit and also how to test CPU...

Oktay Nikpey

0

How To Repair Monitor Part 8

The monitor that’s repaired in this video has 2 problems in power circuit. You will see a complete perfect repairing process, with performing ohm and volt check on the power board and explanation through Schematic. We’ve tried our best to...

Oktay Nikpey

0

How To Repair Monitor Part 7

This video is captured and produced in 2 parts. On the first part, you're going to see a different power circuit with STR power output. You will see STR block diagram and will get familiar with its important voltages and signals. And on the...

Oktay Nikpey

0

Monitor Repairing Part 6

This is the 6th video of Monitor Repairing series in which we will analyze Power Board of 3 monitors with different brands. You can easily and clearly see the different parts of power block and the analysis of one of them on the circuits through...

Oktay Nikpey

0

How To Repair Monitor- Part 5

In this video, we have a monitor with a common problem which might have happened for most laptop repairmen. The monitor that’s been repaired in the video switches ON but with NO display. Such problems can be originated from Bios, Backlight...

Oktay Nikpey

0

How To Repair Monitor Part 4

In this video, you’ll see backlight circuits of 5 monitors of different brands. And you’ll also get familiar with their important voltages and signals and realize how to detect LED rows and apply voltage to them from the outside without having...

Oktay Nikpey

0

How To Repair Monitor Part 3- LED Analysis

This is the third video, of Repairing Monitors. In this video we tried to analyze a couple of backlight circuits and also explain the PWM circuit in a very easy and simple way by simulating it so that you’ll get familiar with their mechanism. And...

Oktay Nikpey

1

How To Solve Short Circuit B+ Asus K55VD

In this video, we have an Asus K55VD which is turned OFF and by plugging in the adaptor to motherboard, adaptor voltage gets absent. And there is short circuit along with this problem. In this case we need to continue the process by checking ohm...

Oktay Nikpey

0

How To Solve Overheating Power IC & 3VL Short Circuit

In this video, we have a Dell n5010 laptop which is completely turned OFF and doesn’t switch ON. After checking everything, we realized that the power IC overheats intensely. Some repairmen usually change the IC right after they come across such...

Oktay Nikpey

0

Monitor Repairing LED Backlight Part 2

In the second video of “Repairing Monitor”, we have discussed about LEDs and different types of them, their work voltage, their use and specifically their use in laptop screens. In this video we also show you how to check and perform voltage test...

Oktay Nikpey

2

How To Solve LED Backlight Problem

This video is about display problem in which there is an Asus X542UQ laptop that works properly with adaptor plugged in, but as soon as plugging it out, the screen gets dark, in a way that display is completely fine but it’s too dark! There are...

Oktay Nikpey

1

Monitor Repairing- Part 1

Since after fully analyzing Adaptors and repairing different types of them, we decided to analyze Monitors, in this video, you will see different components of the screens and also get familiar with several types of them such as laptop and...

Oktay Nikpey

1

Troubleshooting Laptop Battery Not Charging Problem

There are 2 Asus laptops that won’t be charged by plugging in the adaptor. And in fact the batteries don’t have any reactions. In these kinds of situations, the problem can be originated from the battery itself or the charging circuit of the...

Oktay Nikpey

1

AC Adaptor Repairing Part 4

In this part we repair Dell, HP, Asus, Sony and Acer laptop adaptors with different problems and you’ll practically see where to start to troubleshoot and solve the problem when an adaptor is brought to you for repairing. This is a 70 minute...

Oktay Nikpey

2

Laptop AC Adapter Repairing Part-3-2

This is Part 2 of the third video of repairing laptop adaptor. In which you're going to see the concepts below: 1- How to test the main components in adaptors' circuits. 2- An introduction of the error correction process. 3- An introduction of...

Oktay Nikpey

0

Important Tips On Laptop Adapter Repairing Part 3-1

Part 3 of tutorial video of repairing adaptor is finally ready! In this we explain the function of primary and secondary circuits and also error correction and compensation in switching circuits. Before repairing adaptor make sure to read the...

Oktay Nikpey

0

How To Repair DAZHENG AC Adaptor Power Supply

Desktop power supply is a very important and useful tool for laptop and mobile phone repairmen and is used for applying voltage and providing required voltages. Today a power supply is brought to us for repairing which its voltage doesn't...

Oktay Nikpey

0

Troubleshooting Short Circuit Of 19V

In this video, we have a motherboard that’s turned OFF completely and schematic and boardview are not available for it. This is the problem that might have happened to most of the repairmen. So what should you do in a situation like this? How can...

Oktay Nikpey

7

Overheating IO & Detecting The Problem

There is a Lenovo Z50-70 laptop which turns ON automatically by the time of plugging in the adaptor. And IO IC overheats. You’re going to gain a new experience and you’ll know exactly what to do in the times that IO IC overheats. As IO IC is a...

Oktay Nikpey

0

Water Spilling Problem LA-5893P

There are some videos about water spilling problem but this one is a little different. Because it destroyed circuit texture on PCB and the damaged resistors can hardly be found! This is where fluency in basic electronic would be very helpful to...

Oktay Nikpey

1

How To Repair RAM Circuit Problems

We have been producing tutorials related to electronics and today we want to show you how to repair a laptop in this article. So the problem of the motherboard is that: Motherboard can be switched ON but there is no display, and after checking...

Oktay Nikpey

0

Everything About USB 2.0 Port

USB circuit and problems related to recognizing or not recognizing USB 2.0 port are the issues that all laptop repairmen have dealt with for sure. And we tried our best to fully explain ports and USB devices’ function on motherboard. And I...

Oktay Nikpey

0

How To Clear ME Region Version 11

We have introduced several ways to clear ME Region in previous articles. Last on and the easiest way was to use Intel TXE/ME Injector software. But many members complained about having trouble with version 11. The reason is that the software only...

S
Salimeh Bolboli

2

How To Repair Laptop Charger-Part 2

Producing part 2 of “how to repair adaptors” was a real joy for us because we got many great contents out of it. On the other hand showing you the components’ function on the circuit in a principled way was very exciting for the technical team as...

Oktay Nikpey

1

Basic Electronic Resistor-Part 3

The third video of resistor introduction is specifically for hardware repairmen, in which the resistors’ function and obligation are shown with laptop schematic (But even if you’re not a hardware repairman but you eagerly want to watch this video...

Oktay Nikpey

0

How To Use Boardview In Repairing ASUS Laptops

As you know, Boardviews and schematics are the maps of motherboards and they are very useful in finding the components on the circuit and exactly like maps, they show the directions to the repairmen. But sometimes you can’t find some...

Oktay Nikpey

0

How To Diagnose Speakers-Amplifier And Audio IC Of Laptops

There are lots of videos related to audio problems of laptops and we have posted several of them in the website as well, but this time the technical team of D-Bios.com is decided to capture a video and fully analyze audio related issues, from IC...

Oktay Nikpey

1

How To Repair Laptop AC Adapter-Part 1

There are lots of videos about repairing different parts of laptop such as water spilling, USB problems, charging problems, audio issues and,… but yet we never had the chance to talk about and analyze and teach you how to repair other accessories...

Oktay Nikpey

1

Basic Electronic Resistor-Part 2

This is the second video of basic electronics which is about analyzing resistors and resistances of their different types. In this video you'll see these concepts bellow: -performances of different resistors on the circuit -how to calculate 4 and...

Oktay Nikpey

1

Lenovo USB Not Working Problem

USB related problems can be caused by many things that we have already discussed many of them in the previous videos. But since today's laptop is a little bit different from other ones, we decided to capture a new video and share it with you...

Oktay Nikpey

0

Basic Electronics: Resistor Part 1

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...

Oktay Nikpey

5

How To Solve Battery Charging Problem Of Asus V502UX

Charging problem is a very common problem for laptops. Sometimes battery gets charged but it says “Plugged in, Not charging” sometimes it doesn’t say anything and it doesn’t charge the battery. But sometimes it provides the charge of the laptop...

Oktay Nikpey

0

How To Find Short Circuit Onboard CPU

It is a known fact that knowing and doing things accurately and in the principle way is the best way to do anything. For example as a repairman if you are not able to troubleshoot and diagnose problems accurately, there might be serious damages...

Oktay Nikpey

2

How To Read And Understand Laptop Schematics-RAM Voltages

Schematics are guides for repairmen to find and troubleshoot motherboards' problems accurately and then try to solve the faulty components' problems and lastly try to fix laptops and prevent from further damages on them. This is part 2 of fifth...

Oktay Nikpey

12

How To Solve Samsung NP370E USB Port Not Working Problem

Probably you might have had such problems that when you turn ON your laptop or PC and connect USB flash or any other devices such as mouse, keyboard or,… into your laptop, you faced errors that say USB doesn’t work properly. And that’s why you...

Admin

0

How To Solve Not Charging Battery Asus N552VX

In this video we want to talk about a very common and important problem which is that the adaptor does't charge the battery. As a repairman you might you have faced such a problem where your customer brought a laptop and says the adaptor doesn't...

Oktay Nikpey

0

How To Solve Hard Disk & CD ROM Not Detected In Dell N5050

In this video we have a Dell N5050 laptop with DV15_HR motherboard. This laptop has Hard disk and CD ROM problem and the problem is that they don’t appear in Bios settings. But by turning on the laptop, and from the sounds heard from the hard...

Admin

0

No Start On HP Pavilion 15 Quanta R75

This video is about a HP laptop which has two problems. The first problem is that it doesn’t turn ON and the second problem is that fan doesn’t spin properly. The problem is that laptop doesn’t turn ON and has no reaction by pressing power button...

Admin

0

How To Solve ASUS X553MA No Backlight

In this video there is an Asus laptop with X553MA motherboard. DC jack block is failed and there is no display. But when I checked it with another monitor, display was totally fine and ok. Repairmen usually think that the problem can be solved by...

Admin

0

How To Solve Blinking LED Charger & Not Turning ON Surface Pro 4

One of the basic information that Surface owners need to know is that what they should do when their device is stock on Sleep mode and it can’t be turned on generally. Before doing anything, we should check the Surface status, which we will...

Oktay Nikpey

0

How To Repair Lenovo Ideapad 300-15ISK Won't Turn On

There is a Lenovo IDEAPAD 300 laptop that apparently switches ON which means power LED light turns ON and ALW voltages are present but system won’t be turned ON properly and there is no display. On the other hand, one of the power ICs overheats...

Oktay Nikpey

1

How To Solve Short Circuit Of Lenovo G50-45

This video is about repairing Lenovo laptop with NM-A281 Rev: 1.0 motherboard. And it won’t turn ON by plugging adaptor and the ampere amount and status shows that there is short circuit and standby controller overheats. Overheating controller...

Oktay Nikpey

0

Repairing Short Circuit And No Power ON DELL 3537 LA-9982P

There is a Dell laptop in this video, its adaptor was taken to another repair shop for repairing and was repaired there but after that it didn't charge the laptop. As you may know Adaptor ID signal is present in Dell laptops which is connected to...

Admin

0

How To Repair PC Motherboard Disconnection BIOSTAR-G41D3C

This video is about troubleshooting and also repairing a PC motherboard which turns ON but as I connect post card, it doesn’t show any codes and I have to say the motherboard works in restart status. When RAM and CPU are connected to motherboard...

Admin

0

How To Solve Lenovo G500 That Won’T Turn ON

In this video of Dr-Bios.com you’ll see a Lenovo G500 which has a switching problem. It turns ON for like a second and turns OFF immediately right after that. These kinds of problems are signs of disconnection on blocks of motherboard, but the...

Oktay Nikpey

0

When Do We Need To Program Bios?

Programming Bios requires some circumstances that you should consider before troubleshooting Bios. Technical team of Dr-Bios.com explains how to detect if the problem originates from Bios or not?! Maybe everything proves that the problem is Bios...

Oktay Nikpey

1

How To Troubleshoot And Repair Water Spilling Problem

What should we do when water spills on laptops and How should we repair them? This is a kind of problem that can happen to anybody and it can also happen many times during a day. But what do you do when a situation like this happens to you? The...

Oktay Nikpey

0

How To Fix Sound Problem Of HP Pavilion G7

This video is about a HP Pavillion laptop which has been in another repair shop and as always some repairing and changings are applied to the motherboard. This laptop has audio cart problems. And even though it is detected in control panel, when...

Admin

0

How To Solve HDD Connector Disconnection

This is a video about an Asus X555LP laptop which has a problem. When working with the laptop, it turns off by a slight movement and doesn’t detect hard disk. But the hard disk doesn’t have any problems and it’s totally ok when I installed it on...

Oktay Nikpey

0

How To Use Boardview Files In Laptop Repairing

As the name represents we try to get you a little more familiar with boardview and how to use them in troubleshooting and repairing motherboards. There is another article about boardviews but in this video we want to talk about them more...

Oktay Nikpey

0

HP Probook 4530S Not Charging Problem

There is a HP ProBook laptop with Inventec RAMONES 6050A2465501 motherboard model with charging problems. It shows “Plugged in, Charging” but it doesn’t charge the battery. And the thing is that both adaptor and battery work properly and normally...

Admin

1

How To Repair Acer E1-572G Compal LA-9531P No Display

There is an Acer laptop which has no display. Motherboard is LA-9531P.CPU and Graphic card are heated in another repair shop which is the cause of another problem. In this video you can see the steps of troubleshooting and repairing laptop. First...

Admin

0

How To Repair LA-5893P Motherboard Not Turning ON

The motherboard we are going to discuss about in this video is an Acer 7541G laptop’s LA-5893P.which is completely turned OFF and won’t start. In this video you’ll learn these concepts: Voltage rails Which parts should you check when a...

Oktay Nikpey

0

How To Read Laptop Schematic PWR ALW Voltages Mosfet

As knowing basic concepts in electronics is a very important matter in learning and understanding schematics, we are going to analyze and talk about transistors FET and MOSFETs. So that you would understand and realize their function on...

Oktay Nikpey

1

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