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 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

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

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

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

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

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

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

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

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

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

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

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 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

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 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

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

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

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

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 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

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

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 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

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

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

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 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

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 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 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

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

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