Laptop Motherboard Repair: Troubleshooting B+, 19V, 3.3V, & 5V Power Rails | Voltage Diagnosis Guide
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- Опубликовано: 18 сен 2024
- In this video, I walk you through the essential steps to troubleshoot and repair a laptop motherboard by analyzing critical power rails, including B+, 19V, 3.3V, and 5V. You'll learn how to use a multimeter to measure voltages and identify common issues. Whether a beginner or an experienced technician, this guide will provide the insights you need to tackle voltage-related issues effectively. Don't forget to subscribe for more laptop repair tips, tutorials, and troubleshooting guides!
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Teacher, the information you give is very important, very useful, continue to make such videos, I am looking forward to your advanced videos, I will follow you, teacher.😊
Thank you so much for your kind words and support! I'm glad you find the information helpful. I’m excited to share more advanced content soon, so stay tuned! Your feedback motivates me to keep delivering valuable content.
Excellent tutorial.
Greetings from Brazil.
Glad you liked it!
DUDE; YOU ARE AMAZINGLY CLEAR TO EXPLAIN THINGS. CONTINUE LIKE THIS!
Thank you so much! I’m really happy to hear that you find my explanations clear. I’ll definitely keep it up! Appreciate the support
You've helped me a lot in understanding all the components in a laptop motherboard. May God bless you and reward you abundantly for your goodness and kindness. I always want to support this channel with little I have but I'm in Nigeria, We don't have a PayPal account to send money abroad.
Thank you so much for your kind words and support! I'm really glad the videos have been helpful to you. Your appreciation means a lot to me, and it’s the best kind of support. Don't worry about donations-just watching, liking, and sharing the content is more than enough to keep the channel going. Wishing you all the best from here.
Thank you brother.
and am here too teacher like i said to u in the other channel arabic ur voice very similair for me 😁😁 so am big fan for u and learn so much good information for laptop repair so please don't stop 💪💪👌
Thank you so much for your continued support! I'm really glad you're finding the content helpful on both channels. Your encouragement means a lot to me, and I’ll definitely keep sharing more useful information on laptop repair. Stay tuned for more.
Thanks for your support
Please note that these 19 inductors you mentioned in old laptop boards.
You're very welcome! I appreciate your attention to detail. Let's say VIN . If you have any more questions or need clarification, feel free to ask
Sir, thank you for an excellent lesson.
Thank you for your kind words! I’m really glad you found the lesson helpful. If you have any questions or suggestions for future content, feel free to let me know
Excellent video
Thanks for the visit
You are doing great, thank you very much
Thank you so much for the support! I’m happy to know you're enjoying the content. I appreciate your feedback, and I’ll keep working hard to bring you more valuable lessons!
Hi, very important, very useful... Excellent tutorial. thank you very much. best regards from Mar del Plata, Argentina.
Hi, thank you so much for your kind words! I’m glad you found the tutorial useful and important. Best regards to you. If you ever have any questions or suggestions, feel free to reach out!"
Merci pour cet Partage
C'est d'une grande Utilité ❤️❤️
Thank you so much! I’m glad you found it useful. Your support means a lot
Great information
But I have a question
What happens to 19v when pc is running on battery?
Great question! When the PC is running on battery, the 19V from the external power supply is no longer in use. Instead, the battery's voltage (typically between 11V and 15V, depending on the battery type) powers the system. The laptop's internal power management system adjusts and regulates this voltage to the required levels for various components. Let me know if you need more details.
Great content
Thank you so much! I’m glad you enjoyed the content. Stay tuned for more valuable videos, and feel free to share any suggestions or topics you’d like to see in the future!
Thank you bro
Any time
Thanks for this wonderful video tutorial. Btw, where do you get your schematic diagram?
Thank you! I’m glad you found the tutorial helpful. For the schematic diagrams, you will find it in my patreon page. Let me know if you need more details
@@electronicsrepairbasics_erb I'm looking for free schematics though
new Subcriber from Mizoram🖐, very informative explanation👍
Thank you and welcome to the channel! I’m glad you found the explanation informative. If you have any questions or suggestions for future content, feel free to share. I appreciate your support
Sir you are great indeed,the way you teach is more any college.. only that when am trying to test second channel and third channel am just finding 19 v,where am i missing so that i can find 3.3 vots and 5 vots ,but am using Dell Laptop motherboard
I’m glad you find the teaching helpful. Regarding your issue, if you're only finding 19V, it might be that the 3.3V and 5V power rails are not being activated due to a fault or missing signal. I recommend checking the power-on sequence and ensuring that the enable signals for those power rails are present. If you need further guidance, feel free to reach out with more details, and I'll be happy to assist
Thanks bro
@maths_infos2182 thank you, always ready, Good
@@electronicsrepairbasics_erb i am waiting your vidéos always .)
Excellent Bro :)
Thank you so much!
I was troubleshooting a mobile PCB and wonders if I can use continuity mode to locate power line
Yes, you can use continuity mode to check if a power line is intact, but it's important to note that continuity mode alone won't give you the full picture of the power line's condition. Continuity mode is useful for detecting short circuits or broken connections on a PCB, but to accurately diagnose a power line, you should also check the voltage using a multimeter. This way, you'll know whether the power line is delivering the correct voltage. Be cautious when probing, especially near sensitive components, to avoid causing further damage.
Good luck
Thanks boss
You're very welcome! Glad you found it helpful. Let me know if you need anything else or have any more questions!
Teacher i have a acer 5750 with a Brocken screen can i replace this model of the screen LP156WH2 with LP 156WH4
Yes, you can likely replace the LP156WH2 with the LP156WH4 as both screens have similar specifications, including a 15.6" size, 1366x768 resolution, and 40-pin connector. However, it's always a good idea to double-check the mounting brackets and connector position to ensure compatibility. If both screens share the same specs, the replacement should work without any issues
Thank you Boss.please my Hp laptop one of the button (f12) have a red light on it,and caps lock button when ever i press it ,it brings blue light.Sir what could be the problem.
You're welcome! The red light on the F12 key usually indicates that the Wi-Fi is turned off. You can try pressing the F12 key to toggle your Wi-Fi on and off. As for the blue light on the Caps Lock key, it typically signals that Caps Lock is activated, meaning all letters will be typed in uppercase. If these indicators are behaving unusually or affecting your laptop's performance, a driver update might help. Feel free to reach out if you need further assistance
@@electronicsrepairbasics_erb thank you sir
But how do I pay coz I don't have a bank account?
Feel free to ask
Sir i am from Pakistan
Please make a video about 12v battery charger circuit and their parts components please
Thank you for your suggestion! A video on a 12V battery charger circuit and its components sounds like a great idea. I'll definitely add it to my content plan. Stay tuned for more electronics tutorials coming soon, and feel free to share any other topics you'd like me to cover! Your feedback is always appreciated.
@@electronicsrepairbasics_erb Ok Thanks actually our country depends on Solar system and acid battery large amount of Soler charger are made her but their quality are bad.
،Thank you very much
You're very welcome! I'm happy to help. If you have any more questions or need further assistance, feel free to ask
use good quality microphone 🎤 🎤
Thank you for the feedback! I appreciate your suggestion and will definitely look into improving the audio quality for a better viewing experience. Your support helps me continue to improve
please speak loud and clear
I’ll make sure to improve the audio clarity in future videos to ensure a better experience. I appreciate your support and understanding