Let's modify a laptop - Hp laptop board repair - redesigning a power supply

[@climberakis]

Hi Mr. Sorin, I hope you'll get better soon.

[@7martinsk7]

Great work, I did this "mod" once too, but I've connected the input of the buck converter straight to 19V, desoldered a 100k resistor near the ceramic input capacitor which is connected between input and Enable pin of the IC and soldered a 100k resistor between 5V rail on the motherboard and the Enable pin of the converter. That way the 5V power supply can't be overloaded as It is only Enabling the converter, not actually powering it.

[@risteshoshkoski]

Ok

[@Mark_C1]

Hello Sorin, I wanted to say a personal thank you for all the content you upload and the time you take to break things down into understandable parts. At the weekend I fixed the kids old Amazon Fire 7 tablet we had that had broken after my father had already changed the charge port. As it was already broken so I had nothing to lose and with the confidence I have gained watching your work flow videos I successfully bought it back from the dead with a quick reflow of the connector. Thanks again, hope you feel better soon.

[@nuhushaibu2388]

Wow, keep proving that there is no limit in troubleshooting a dead motherboard, I missed the last video where you first you the universal power supply. Right now am going to check it out. Is really wonderful having you here get well soon and please we need modification using universal power supply. Thanks and God bless

[@kriswillems5661]

This is really a nice fix, very practical thinking.

[@jagathpriyantha254]

l am from sri lanka.l watched some of your videos.My knowledge of English is bit lacking but l learned a lot from your videos.Thank you

[@watchalot4103]

A practical solution to a difficult problem even when feeling the effects of flu :)) Hope you have a speedy recovery .

[@Dcthetruth85]

I bet this man can build his own laptop.

[@sshaikh3878]

Building a Laptop is not that easy. Its a very big project which requires a team of experts.

[@irasthewarrior]

@@sshaikh3878 He can build one, but it won't be suitable for mass manufacturing.

[@paulandrew6456]

Wow! Sorin, you're a genius! I'm blown away with your troubleshooting skills. Best video ever. Keep it up Teacher

[@TheJasonjayB]

Nice job, Sorin! This chip is SY8286A

[@ДеянГ]

Amazing. Brilliant mind. I never seen that before. Another unique repair lesson. Thank you Sorin. Greetings from Bulgaria.

[@juanchizabaleta2405]

Excellent return with a hard repair master, recover your health, greetings from South America, Argentina

[@windycl111]

you still do magic even while not feeling well. Wonderful

[@computersrepaircotesaint-l7407]

Had a laptop that wouldn't charge or turn on from the main 19, but work from battery, I built small charger and the laptop still working after a year. Great job sorin

[@herrlip72]

Stop vaping that flux, good job

[@TheDimanoid999]

he needs it when he's getting hot

[@kidureza2]

You are always surprising me! Great repair!

[@Oak690]

Great work Sorin! Thanks for sharing and I hope you feel better soon.

[@travishoffman9839]

Hi sorin, I hope you feel better, missed ya this week

[@Damjanhd]

You are skining a wire the same like I use to do years ago. And I love to see you repair something like this, peopel learn alot more than from someone changing ports all the time.

[@PaulHigginbothamSr]

Sorin did excellent on this one and even the chip might have cost more and flaked out again. So with those outlets it seems it will not freeze up. Good one! I think you should freeze this bodge into place with hot glue.

[@simeonmihaylov6123]

Finally Friday, finally Sorin time :))

[@boyiyapaboyiyapa2488]

Was waiting from long time

[@Franksxs]

This Video goes straight to my youtube list "Instesting Repairs". Good Job Master!

[@Dr.muthanna]

You are creative genius Sorin

[@aymannabil3810]

Great Video, showing how to overcome missing chip...Wow Good idea Mr. Sorin...Many thanks for sharing this issue

[@marcobohorquez4711]

The 3 dislikes are from hp designers 😂😂😂 for me great video!!!!

[@protonx80]

now the whole hp design team has been here... 34 of them 😂

[@davidasare6841]

45 of them now

[@jay22alco]

We can't repair this laptop, you can't find the ic. Sorin: hold my beer.

[@ReeseL4D]

kzbin.info/www/bejne/i3y3f4p_ZcqMgJY

[@melplishka5978]

No no. Lol. It’s hold my vape lmfao.

[@dariancesar8346]

Sorry to be offtopic but does any of you know a method to get back into an instagram account? I somehow lost the account password. I love any tricks you can offer me!

[@remyharvey6345]

@Darian Cesar Instablaster =)

[@dariancesar8346]

@Remy Harvey Thanks for your reply. I got to the site thru google and im trying it out now. Takes quite some time so I will get back to you later with my results.

[@EasyMath1003]

Hi dear sorin. Great job. I think about another modify. We take awire from the cap 1.7 of the processor then we but adaiode then we connect it to the cap of chip. U r agood man mr sorin . Thanks alot

[@Qban220]

Get well soon Sorin. Great hack and repair!

[@Atetus94]

At the first glance I thougt "WTF, connect it to 5V not 19V for lower voltage difference" and insulate that module from behind with even some tape! :) Anyways - good job as frig! I couldn't be more crative :D BIG THUMBS UP!

[@danielnight5717]

Hello Sorin nice to see you :) 58:50 You used step down converter in video: This was a hard one, Tv's - Diagnose and repair / power supply repair/replace/improvise

[@عمارالراجح]

عمل جيد سيدي اشكرك على هذه الفيديوهات القيمة والمفيدة

[@jujujuoooo]

أوافقك الرأي.

[@twingoman2000]

Thanks so much for your vids! Really it is so greate to see the way like eastern guys would do, like me to (eastern german) 🤣... You simply understand how things work / should work. I simply watched yesterday my whole working day your vids (also lenovo) but... Not every lenovo is done like this! 😁... I do have one here and just the fuse is gone as well as the first mosfet, i tried it your way with 19v on the other side and it simply start working. I really try to understand what you are doing and why, not only doing same things without any clou. So big big thanks for your vids!!! And by the way get better soon! ☺️

[@michaelparanormal]

Great work , your company would be lost without you!

[@muizzali435]

Only word for sorin is # Genious# Man with top notch skills

[@mikeph7114]

WELCOME BACK , MASTER SORIN.

[@morphuk1]

My DC Power supply is one of the most valuable tools I own. Not only is it great for diagnostics but also very handy for testing and powering circuits or powering little projects!.

[@Aneesh.Asokan]

Can you tell here the brand & type (linear/switching) of your power supply & link from where you purchased it from? Thanks!😀

[@morphuk1]

@@Aneesh.Asokan Its a linea supply that I built myself. However, amazon have many decent supplies that are reasonably priced.

[@Aneesh.Asokan]

@@morphuk1 Thanks a lot for your prompt reply! Linear is bulky & shipping charges will be exorbitant! I plan to go for an SMPS from eBay as it's much cheaper than in Amazon! Once again, Thank You!👍😀

[@morphuk1]

@@Aneesh.Asokan No problem. I went with a linear supply as SMPS have current restriction, limitations and protections. Linear allows you to inject voltage into a board in short, which will draw as much current as the PSU will allow. An SMPS will detect the short and overcurrent protection will kick in and prevent voltage Injection.

[@Aneesh.Asokan]

@@morphuk1 Yes, I knew about SMPS protections & it won't be effective for finding shorts! For short circuit finding I plan to buy a short killer! I hope that will do the job. What's your opinion? Thanks!👍

[@shooter3267]

Fantastic diagnosis !

[@vexx5955]

Get better soon Sorin! Cpu vcore is 1 -1.2 v on those models and vram is 1,3 - 1,4 on ddr 3

[@anthonymoreno4455]

Sorin! You are a master of the universe, how to be like you? Great job!

[@jarnovilen5259]

A "all in one" cpu as you call it is called a SOC, System On a Chip. And blank screen on Windows shutdown is not shutdown process, it is already done. The blank screen storage activity is actually hibernation process, it writes RAM into the HD/SSD. It is because of the Windows Fast Startup feature, Windows does not actually shutdown when you choose shutdown from the start menu. It does a hybrid shutdown and suspend to HD (hibernate) function which enables Windows to start much faster (on most cases, not all). It is also a function that may cause lots of issues with Windows. If a service hangs, shutting down the Windows and starting it up again does not fix the issue. You have to choose restart or disable the Fast Startup from power options before shutdown. When you disable it (or disable the hibernation, which also disables the Fast Startup) it actually removes the "blank" display in Windows shutdown. After that Windows shuts down much faster and it shuts the computer down also (almost) immediately after the display goes blank.

[@karimdassempebwaz291]

You are wonderful teacher and behaved one coz thing are understandable

[@sergelavallee913]

Very professionnal fix.Thank's sorin. Take care of yourself.

[@zub14]

Simply FANTASTIC JOB!!

[@v1ncend]

Wow impresive modification and really well understand !Thanks

[@janparra9551]

So far on my book you are the best electronic wizard I ever seen on KZbin. I learned so much from you my hat is off. You blew me away

[@FerdAboubakrOnline]

Yeah I am having flu and sore throat,wish u speedy recovery and for myself as well,pls don't disappear hahaha upload anything even if it's too simple

[@boredwithusernames]

That "wow" moment at 55:28 though... awesome! Great job ;)

[@spitulsky]

Everything is fine...hopefully :) Great video, I did enjoy it and learn something

[@djtongi]

Great repair! Maybe you can now get more CPU information and read the voltages from the BIOS or CPU-Z and figure out, what voltage there should be... i think it's 0.8V It's running now but could be the Voltage is still too high... you said yourself it's on the top limit of running or not.... i'd lower it to find the lower limit, THEN bring it to the middle.

[@santociambrone2364]

Compliment for this modify on Laptop HP this is amazing because avoid to replace chip also not available in internet, WOW i follow you in any case for fix electronic device GREAT !

[@metroid031993]

nice fix. I might suggest starting at a lower voltage initially on an unknown power rail as higher voltages can obviously kill it (and killing the PCH is likely to make the laptop not worth repairing), but a lower voltage should be fine and just will cause things to not work properly at that voltage, then you can just raise it until things are working as expected

[@Themaktech7100]

i just fixed that one(same broblem) and now am watching it agian (nice video like always)

[@emvdl]

That was great, creative thinking, thank you! 👍 Hope you get well soon 🤒

[@ThEwAvEsHaPa]

Thanks Sorin, that was a great fix.

[@belloumaomar5355]

what a great work, hope you get better quickly ,

[@cecilmiller2387]

Hey Sorin thanks for the many years of learning as for the chip you could not find just use the first 4 codes of the chip it should be no problem finding that one and others like BAA5 BAA7 anyway back to learning for me :D

[@gaborenyedi637]

So now, the PCIe is plugged into the USB to get current... while the USB controller is plugged into the PCIe to get connection to the CPU. Nice job. :)

[@bitsnbobs1969]

around about this time i had covid 19, maybe you to any ways love your videos keep good work up

[@techworld5272]

Guten Besserung Herr Sorin

[@GatoLouko1]

Parabéns Sr. Sorin gosto muito dos seus vídeos nota 1000 de Moçambique. Great video

[@ODRACLIVE]

Fantastic video, master Sorin. Thanks!!!!!

[@waynetaylor2784]

Balmy 39c here in Perth Western Australia, hey nice airconditioned lab here, still got a job here for ya if you ever want too emmigrate

[@jcm3702]

Mr. Sorin I love to watch your videos. I learned a lot from you . 😀 thanks for making video about repairing.

[@shiftctrlhack]

FRIDAY FRIDAY FRIDAY ! Hope you feel better

[@hkredpill9661]

Put a couple dabs of your infamous hot glue to add more strength to the power supply board. I do like your dodgy repair jobs. It is why I am watching your channel. Thanks.

[@tinkmarshino]

Sorry your sick Sorin but what a lot of fun I have watching you and your thinking process.. Smart fella! carry on and we will see you later..

[@AIexanderHartdegen]

This guy is better than Louis Rossman :o

[@AIexanderHartdegen]

I agree. It's requires a deep knowledge about how computers are made and it's worth to notice it. That's impressive.

[@keithmatthews1673]

Perhaps more entertaining than Louis but they have different approaches to repair and both are equally valid.

[@AIexanderHartdegen]

I was supportive to Louis, but after a while, we can feel this is always the same thing. With Sorin, it's seems to be a really new tip for repair and it's not get boring. But this is my opinion.

[@MrDinakdakan]

louis dont need to improvise, all the expensive tools and chips are available to him, sorin is like a backyard mechanic with a big wealth of knowledge as his tools

[@gericom2417]

Hi mr sorin we love u from morocco, when u want one day to visit morocco i say welcome u and your family to my home

[@arijitbrahma]

You are a magician!! The true one trust me...👍🏻👍🏻

[@2bad83]

This was a good one.... great repair

[@fanfan-tz2tk]

Great big job. Thanks for sharing with us.

[@mbg1668]

thanks for your videos man and thanks for share your knowledge this was an avanced lesson I hope you'll get better soon.

[@lisab3396]

Good day Sorin, Always love watching you work and amazed at all the tech stuff you have to make the job a bit easier and provide us with magnified footage. I am in the process of searching for my first laptop. I wish to use it for work conduction heating cooling energy graphs, account records and simple billing info that may be downloaded to desktop software. Since you see and reapir many makes and models, Can you please provide some insight towards what you may call a reliable unit. Much appreciated.

[@MrDinakdakan]

sorin more workshop please, trust me its very interesting for us you changing batteries :)

[@MrDinakdakan]

just finished the video, this one is a crazy good repair

[@TheBaregel]

sorin i think a better idea is to use 19v rail and connect a mosfet inline from the output of your power supply to the input of the rail of cpu and connect the gate to the 5v power supply. that way you wont worry about current limitation.

[@dawooda.m1243]

you are genius

[@garysnell47]

I was waiting for the highly calibrated fuse!

[@pizzel]

hahahhahah good one , "how do you think of me."

[@Tunguska82]

Fantastic video teacher, Thank you !!!

[@vlmg007]

good job Sorrin, I hope you get better soon and wait for next video. We saw that you have a lot of boards for spare. Is this means that there are cases that you cant fix them and you show us only success fixes? I mean that if there are cases that is not repairable they can give us experience we can learn from them

[@recommendedforyou157]

sir in 1:07:38 will the processor get burned or damaged if you did not noticed that the 1v should not be always on even if it is turned off? I am still a beginner and still learning. I hope you can answer my question.

[@excitedbox5705]

To check for heat spray some dielectric on the board. first spot to dry is the HOT spot :D

[@peekpt]

Sorin! You're back! 😄

[@Kicm2Kicm2]

Parabéns sr sorin

[@mrgndx]

So essentially the customer now has a very handy hardware tool for undervolting :)

[@Onkel.Moetrik]

I am speechless... it is work like this that raises the distrust to the repairbusiness, and also gives the business and computer technicians a bad reputation. I can not believe that you can be proud of this as a professional.

[@armandoagustin7442]

dang this was a great lesson sir !!!!!! so great thanks so much!!!!!!!!!!! following you from pasadena tx

[@Keythong]

That is what you call thinking outside the box.

[@giorgostexnikos6976]

thenks for this lesson proffesor.

[@malikkhan_01]

Best of all time. Thanks.

[@alexiak2952]

Hi Sorin!!! Great job!!!! Can you please tell me where can I buy an electric screwdriver like yours???

[@danielsaturnino5715]

Great fix. *thumbs up*

[@kim-db8ve]

amazing im repairing for 9 nine years but i learned a lot to you.. thank you for your video.. may i know your tester?? thanks very much

[@phaisebanda5607]

i have five hp probook 450 G4 all have same proplem. when powered on they LED powers on few seconds later it switch off itself for few seconds then it powers on then fan spins hard without displying. what can be the problem. all voltages are intact.and 3.3 is present . pluging the charger the LED lights on.

[@MrRvdbeek]

Man you are crazy 😜 modifi a power chip. Nice one and happy customer . Tanks Get better soon have a nice weekend. Ps When it returns what can you do ?

[@ab_tech386]

this is fantastic job thinking of mind

[@Androx74]

maybe adding some hot glue on the new power supply screw to freeze the voltage, if the laptop will be moved , there is no risk the screw move and change voltage on the power supply, nice video anyway thanks i'm learning a lot of thing :)

[@BreathYouTake]

This will melt plastic on screw and make job worse... Moving or droping laptop will not make loose on this type of screw which is on adj pow supp.

[@intrax2tv]

Haha nice one... 😁

[@Androx74]

ok has i said i'm learning a lot :P new thing learned :)

[@angeloaemmeart3620]

great!...I hope you'll get better soon... Sorin I didn't understand one thing: a 16-pin chip only for a voltage of 1 volt? this 1volt what feeds?

[@shubhambhojane73]

Good job! its fentastic 🤩 👍👍

[@computersrepaircotesaint-l7407]

We love Sorin

[@transformateur9969]

Mr. Sorin, what a pleasure to see you again ! From Québec ! About the 30-volt 5-amp line power supply that really has short-circuit protection, would you have one to recommend to me? thank you very much