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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...
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Aug 8, 2020
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basic electronic electronics
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...
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Jul 25, 2020
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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.
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Jul 14, 2020
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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...
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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. ...
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Jul 14, 2020
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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 ...
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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 ...
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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. ...
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Jul 14, 2020
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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 ...
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Jul 12, 2020
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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...
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Jul 12, 2020
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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...
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Jul 12, 2020
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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...
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Jul 12, 2020
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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 ...
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Jul 12, 2020
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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...
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Jul 12, 2020
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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...
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Jul 12, 2020
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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...
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Jul 12, 2020
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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...
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Jul 12, 2020
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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...
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MacBook Motherboard Repair Course How To Read Macbook Schematics- Part 1 https://Dr-Bios.com/ Enjoy and don't forget to comment and subscribe :)
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Jul 12, 2020
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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 mainb...
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Jul 12, 2020
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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 ...
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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 t...
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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 d...
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Jul 12, 2020
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As you know, Online exam of Dr-Bios.com took place on 23rd of October and we have shared with you the name of the winner and now we are going to share the an...
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