The Most Common Fault On a Laptop When is Not Coming on, Dead Mosfet

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[@valejacobo]

3 years later and you helped me diagnose and repair a HP Dv7 I bought for almost nothing due to being "dead". Thank you so much, your videos were extremely helpful and encouraging for me. Cheers and love from Argentina

[@Pittsburghfix]

Just fixed my first motherboard, thanks to this channel. Mosfet had blown due to voltage being injected into the Ethernet port. Switched it out with one from a parts board and even though 2 of the pads were damaged it still worked when I bridged the three pins together, they were connected originally anyway, and it seems to be working now.

[@janermejia555]

Thanks for taking the time to explain the process through which faulty components are found, I find your videos very enriching. Keep up the good work, you deserve all the success that life can bring you.

[@belleviebeautifullife8520]

Am really learning more from your videos and I love the way you diagnose board and the explanation and I am still learning more because I want to start my fixing business. Thank you so so much. Sunday from Nigeria.

[@israeltongi]

I want to thank you for the time and knowledge you give of yourself. I learned a lot hoping to see more videos at this level.

[@poptartmcjelly7054]

Not too long ago my friend brought a Toshiba laptop to me to fix for him. He told me it has been repaired two years ago and when i took it apart i found a big piece of copper wire across one of the 19V mosfets. Turns out one of the mosfets shorted out and the previous guy who fixed the board put a wire across one of the mosfets that didn't short out so basically the protection circuit was completely omitted. All it took to fix the board was to replace the one shorted out mosfet with a working one and the laptop works fine now and for a cheap budget laptop it has a great keyboard.

[@joeycarr1398]

How much $ should be charge for that job?

[@arielcastro2810]

a pesar de muchas criticas que tienes por esta reparacion..revivi una asus s451lb que llevaba muerta 8 meses por polaridad invertida...le hice jumper en el mosfet y revivio...carga y funciona perfectamente desde hace 4 meses..gracias maestro!

[@carlossartori1818]

OK, Mr Sorin! Congratulations by your videos. From brothers tecnicians of Brazil!

[@hayatuworku3793]

Thank you for your effort in sharing your experience!! I am learning a lot....

[@winstongrundy7289]

i like how u teach this.i learn by watching easier then reading.ty bro

[@mehtabmanik]

I enjoy your talk beside the fault detection and repair. 👌👍

[@fourkings7897]

KZbin just recommended me this, and i sub... Great video and the way you explain... 👍🏻👍🏻

[@rogerrubio5055]

Interesting video

[@lgflanang]

Practical education at its best. Thank you.

[@MOONTECHbd]

I like your Working process ...keep uploading with new one ! Thanks

[@sa112fpu2]

Thanks Sir, at your beginning of your presentation, it was very funny!!, I like your work and I would like to get more idea from you.

[@zanthiel2009]

Thank you! Master Class Technique

[@sherazrizvi9977]

so detailed very thankfull

[@marcofreire]

Amazing. Learned a lot. Thank you.

[@NicholasDaniel11]

Thank you very much for this knowledge this is helping me as a young technician

[@jamesjakpo4197]

well explian sir,i really like your explanation on repair's of laptop.

[@johnathanasiou9284]

Awesome, simple tips. Mulțumesc mult Sorin !!

[@joliettt]

I'm an electrical engineer, long retired. You are the best technician I ever met. I love fixing things myself too. That's why my refrigerator is 35 years old, my electric stove 35 years old, etc. I fixed the electrical power display on my stove so many times, using two broken displays to fix one. My Porsche 944 lasted 550,000 miles. Anyway, I wish you could show a video reading the pins off a USB power connector in my Dell 9365. Good luck. I'd send you my Dell, but you're in the UK, correct?

[@jshaw4757]

I'm looking into repairing electronics mainly TV and laptop but anything n everything really I have bought all the tools necessary and I'm considering getting a thermal image camera as I intend too fix boards myself but I just wondered if you have any advice in general you could share if you get a moment...cheers mate 👍

[@jshaw4757]

I know that's a broad question 😂...but just wondered if you could maybe give me advice when I get started on things would really appreciate it if possible thanks again

[@michaelmccloy9466]

Hi Sorin, I missed this one in Nov. A really good one for me as I just watched your motherboard videos, it's all making much more sense! One thing I am having a problem with still is the recognition of some of the other 6 or 8 legged chips as you go around finding the power supplies. What are they? (I can't be the only one surely), my excuse is I didn't start leaning this stuff until I was 74 yrs old. Since this job came in as a MB are you sure he is not one of your applying the power supply here or there students?

[@antonioss6620]

You are the master of the masters. Thanks for your knowledge.

[@besllu8116]

Nice video, you are so calm an logical it is pleasure to watch you figuring things out. Subscribing.

[@haikalhakim]

I love your channel...I learn a lot from your channel how to repair a PC/LAPTOP....

[@earthelder2065]

absolutely fantastic!! great video!! Thank you very much Master....

[@MrDinakdakan]

Great video explained clearly, thank you

[@datiller9035]

The Best Walkthrough video ever!!

[@WilliamMabote-xg7mz]

You are good sir.i once repaired a laptop screen that was not powering backlights.you the best.thanks for your videos

[@romanb.6905]

The first time, I see a guy, who is happy, when the notebook is not working ;-)

[@gile849]

very hard to find problem on board when randomly work. must testing for days... Beter is not working at all for repairing.

[@n4_ku]

You bit me to it 6 month earlier, damn you are good.

[@jarnovilen5259]

Every man who earns his living from dead laptops is happy seeing one!

[@TanPham-sn3fc]

He's like God, resurrecting dead laptops!

[@roman4717]

How fix hat air machine

[@tonsolar]

all of your videos was fantastic, easy to understand and follow! i like the way you teach very professional. thank you sir. Dave here. . (=

[@axelcomC3]

I Respect professionals in their job!

[@johndzikunu9986]

You are ecellent, great. I have been following you videos with keen interest.

[@luckyluken]

Really nice videos, keep up the fine work, very very good

[@jaychidiocloo6831]

Really great work here. Thanks

[@Sakhap96]

very very great job... thanks for all your lesson💪💪💪👏👏👏

[@Maniii2020]

I loved this video sorin. nice job

[@sergelavallee913]

Thank's, you really are the best. This video did help me a lot.

[@AndrewTuboro]

Wow.😃😃😃 It's amazing.. I learned a lot from your video..

[@billygoat8204]

Thank you for a great video!

[@hmimed73]

very nice job, thanks for all your videos

[@DeolTech]

Good work sir .. thanks for share your experiences...sir iam from India I like your all videos..God bless you

[@carlosramos9301]

Just started watching your channel. Thanks for sharing. Boot loop for Lenovo video?

[@QARepair]

I like Your way, you have budget cheap tools but your knowledge is worth much much more

[@asedeyhot123]

waoh, i'm so happy right now.... watching your videos is the best thing I did since last month, My laptop m6-ae151dx isn't charging any battery , found out the useless capacitor after the battery driver shorted , I knew it was the one cos it looked a bit discoloured. chipped it off with a soldering iron and , walah.....Laptop working perfectly so so happy...that's over 200 USD saved

[@Gli53]

Great explanation. thank you.!!!!!

[@ruelolingay2651]

wow inpormative thankyou so much..

[@marko176schneider5]

Super Video.Danke!

[@onyetechcomputers9040]

I deeply appreciate your effort in making these wonderful and perfect videos. Which has helped me alot. May God almighty supply you more wisdom and strength and long life.

[@verdunelectronics9985]

i loved this video sorin you are funny

[@Ask_joe]

" i dont care and i dont want to know " thats awsome like your repair ethics keep up with the videos!!!

[@switzzzz1]

Great video now l know why newer mosfets come in two in one chips to stop Sorin nicking one.

[@Martin-ot7xj]

Hi there , this tutorial video is absolutely is one of your best tutorial and is absolutely for beginners , you explained very simple and very good . please make more tutorial like this . as you can see you explain step by step . kindly make a tutorial video about how we can use power supply for diagnose short on mainboard for beginners like this video . thnx

[@dimitrissourasis6766]

nice :) very detailed explaination keep up the good work

[@friasjohnartu.6618]

thanks sir. I'm learning a lot. More lessons to come :)

[@johnf3278]

Great video learn so much. Can I ask you common problem with older dell.. "battery not recognise" and it won't charge. Could you find a fix. Why do they care what battery I use.

[@OE8ACT]

Hi! What pad are you using here for cooling the processor?

[@MatjazOzir]

Hey...great video...I was wondering how thin wire did you use? BR from Slovenia

[@Shanbuddy]

Your so awesome and i am same to service in laptop and desktop Yours some technic help in my problem solve...

[@khalidzorro5410]

Thank you for your help

[@Mora_Art-r3t]

Omg this guy is so Good wish I had this knowledge.

[@meshakjames8186]

your method is the best

[@satriorudi3742]

Thanks mr Sorin you the master

[@roshnivaldar2746]

good video on how to fault to a component level. thanks

[@jaimecosta2966]

Excelente vídeo.. Educational..

[@TheVegasMoney]

great work much appreciated

[@RandomPNGClips]

hi just a question, did you solder that middle part with pin 2? also can you do that way to pins 1,2 and 3? by the way i love all your videos

[@eugenenault4935]

By passing the mosfet is not a safety issue? Why not track down loss of gate voltage. Enjoy watching your videos , educational and very calming to watch. Thank you

[@moncearazvan]

Felicitari !!!!

[@pedrof.7821]

Thank you for your awesome video once again. Quick question that got me curious, if you short those protection mosfets, are you still able to press the power bottom for 10seconds, forcing the shout down?

[@cherielabenis3531]

very nice i learned a lot from your video Sir,, keep sharing GOD bless

[@bobdukish]

Great video

[@jasonno2953]

What are those cameras that you use to show some of the equipment?

[@gabrielgundulf7139]

that first laptop seemed to fault when laying down normally. but as soon as you put it on the side it worked xD gravity assisted fix haha

[@seren7939]

good way of teaching..I like our accent also ;)

[@UnliUser]

can i ask what section do short in mosfet? is it the drain and source? thank u and more power

[@massimilianobarresi.]

"Good the MOSFET is out and replace that MOSFET.. of course we replace the MOSFET.. of course.. what do you think about me?" i love this man xD

[@kobericha]

maybe you know why mosfet was not replaced?

[@waeiltobgy5301]

good diagnostic and fast solution to get error ,

[@thirumalai6697]

Excellent video

[@techmanray2355]

This platform is the best boss.

[@krouchioumamal4567]

Thank you teacher

[@oscargrouch8256]

Does the bad mosfet have to be removed? or can you bridge it in place?

[@veselanota]

master please show us same principles of this diagnosis on the desktop motherboards , thank you!

[@amtpdb1]

I know this is old, but I hope you still read questions. You have 19 volts on one side of the cap after the mosfet, what do you read on the other side of the of the cap. I have a video card where it has2 pin(3 pins but the center drain is cut off) and I get 12 volts at the drain but nothing out of the Source. There are 7 of these right together . 2 of them read 12 volts in, nothing out and nothing on the rest at all. I tried to check the caps as you did to check for short but I don't know what I should read on the second side of the cap. Should it be the same on both sides of the cap? If you find the time I hope you could tell me about the other side of the cap and or what to look for. I just purchased another of these boards so that I will have something to compare to. Thanks for your videos.

[@01mustang05]

Is it acceptable to have "a short" signal through the secondary Mosfet's beside "the coil", even when the gate is drained or grounded to close the gate? Are some Mosfet's designed to sound as a short between the two sides of a Mosfet that is not the gate?

[@nsohgodwill8612]

what a great teacher

[@evananderson8452]

Great Job

[@lobotodabobo]

What multimeter are you using nowadays?

[@Kipster848]

Took some water damage from underneath (sat on a wet table). Computer boots up, but cooling fans run continuously and computer runs very slow. Hard drive removed.

[@tikaziitech]

Nothing to say about you you are the best thank you very much

[@dazzkhan2299]

Can you please tell me where is ur shop in uk?

[@johnrobertabastillas1518]

Hello. can i use that method in shorted mosfet too?

[@jetraid]

Could be the mosfet gate have a short circuit, maybe testing the gate after remove the mosfet you have the voltage and can replace it for a new one.

[@TheBaregel]

hard to believe ,the gate is isolated from D and S

[@freeblowjobforall2697]

​@@TheBaregel Yea but if there is issue, mosfet is broken, the gate can be shorted with S or D

[@mtngoat61]

Maybe an intermittent or dirty/oxidized contact on-off button for that first lab top which turned on most of the time but not others.

[@johnkarlogallardo9158]

I was waiting for you to repair the Toshiba Satellite one coz I have the same laptop just hanging around and I wanna try to repaid it so I needed the walk around 😅😂

[@kailasingle460]

Your explaining method is fantastic. But one question is there Sir what will happen if we dont connect new MOSFET and make just jumper directly.

[@neelbanerjee3086]

Very good sir

[@yehtut3209]

many thanks, sir.

[@ElTexMexAlex]

Lol that looks exactly like the hp motherboard im trying to fix. Same problem except I shorted the board by accident and it had no video at first but no gpu chip. I have been told that mosfet could be my problem. One thing I still cant understand is why I would have no video because everybody likes to point at the gpu and it becomes confusing to people who dont have a gpu. Thanks for the video, very helpful.