Media

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 pe...

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, ...

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 knowl...

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 function...

There is a good news for all of you !!!
As you know all tutorial videos were in English subtitle , but now We are dubbing them in English . It will be easy to understand.
This is the first video that we dubbed , Please watch and give us the feedback .
we're waiting to your opinion and suggestion :)

Some members have asked how to find different files on the website, so we captured this video to show you how to search and find whatever files you need.
Please don’t worry even if you can’t find the files you’re looking for as we will always help you out. You only need to submit a request on the website for the file you need but you can’t find on the website. But please make sure to watch this video first so you can find files that are on the website without needing to submit requests.

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 the...

The website forum is lunched a couple of days ago and in this video we have shown you how to work with the website from submitting file request to finding, s...

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 this video we have explained how to measure system current or the amperage drawn by a laptop using a multimeter.

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...

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. ...

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 ...

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 ...

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. ...

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 ...

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 o...

What to do when a laptop turns ON but there is no display ? The Importance Of The Table Of Voltage Rails In Laptop Repairing The table of voltage rails is av...

Today I have Lenovo G510 laptop which turns ON but there is no display. As you know, not displaying image on the screen or the “No Display” problem can be ca...

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 ...

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 fo...

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 com...

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 digit...

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 vi...

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 M...