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Dell Latitude E5440 dead, no power, motherboard repair - Perfect Friday job

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  • čas přidán 18. 08. 2024

Komentáře • 85

  • @MrNitrous9944
    @MrNitrous9944 Před 8 měsíci +1

    People love you, that's why its very easy to send you gifts.
    You Are Worth it.
    You give your time and Knowledge to people for FREE and you can not buy free will.
    A decision you made willingly .
    Your an absolute ASSET.
    Thank You so much for your time .

  • @albarkajr9806
    @albarkajr9806 Před 8 měsíci +9

    I just ordered for a usb meter from AliExpress.
    I have this Lenovo Y700 tablet that just went dead from charging. So i decided i want to fix it myself and i have been watching a lot of your videos and learning a lot. Hopefully my first repair goes well. Hehe

  • @johnsmith-tr3dh
    @johnsmith-tr3dh Před 8 měsíci +2

    I want a Sorin t-shirt that says "We have pictureeeeee !"
    on the back it has "Fixed using calibrated wire"

  • @corel965
    @corel965 Před 8 měsíci +1

    Cheking for short, no short ! 😅
    Sorin the best !!!

  • @jesuschal3802
    @jesuschal3802 Před 8 měsíci +6

    Just to thank you for all this you are doing for us, it really makes a difference! I have been always curious about electronics, specially about fixing things. Yesterday I became very glad and thought about you when I was able to fix a USB Docking Station. My friend should throw it away but I asked him to let me take a look at it. It was dead... completely dead. Straight away, after following your methodology, I found out the main power rail was shorted. You learned me to be suspicious about capacitors and so it was, a capacitor was shorted to ground. I removed it and voilá, it worked! Then I wondered: should I replace it "later" or should I replace it now? Specially knowing the capacitor was in parallel with another one. Then I decided to measure the sound capacitor to find it was 33uF. I went to my tecjunk box and found a board with a capacitor same size, same value. Replaced it and crossed my fingers thinking "I hope it will not get broken within the next three months otherwise...." :)
    Again, thank you so much Sorin!

  • @cfq.tufanuf7601
    @cfq.tufanuf7601 Před 8 měsíci +3

    I picked up an Asus C302 Chromebook for £12 inc postage!!!!! On eBay. Was faulty due to milk spillage. All I did was removed the mobo and cleaned it and it worked ever since. Does need a new bat now though. And yes I know..... Chromebook.... Hmmm but its great for watching movies on the bed. Plus its a high def glass 1080p touch screen.... My Bargain of 2023.

  • @kblectronix
    @kblectronix Před 8 měsíci +4

    Thermal camera job. They do make life easier sometimes. No cap no problem, hehhe! 😀. Love your vids Sorin. I've even started to use your vernacular e.g. 'eets working!' , 'i come wiv beeping fing' keep it up and merry xmas.

  • @benedektorok7129
    @benedektorok7129 Před 8 měsíci +2

    well, my native is Hungarian, and we have a speaking "ajándék lónak ne nézd a fogát", what means "don't look at the teeth of a gift horse" :)
    Other way, i live in southwest Slovakia where inhabitant´s native is mixed of Slovak and Hungarian, so we have a version of that speaking, as "ajándék nyihaha necsumi protko" - which means the same, but, with some joke :D
    keep up with the great work, greetings: Benedikt

  • @PavolFilek
    @PavolFilek Před 8 měsíci +1

    There are always good people on the Earth, if they are able to send gifts.

  • @kepler104
    @kepler104 Před 8 měsíci +12

    This is a niceeeeeeeeee laptop, I am currently using its next revision e6440, I picked it up very cheap, put in an ssd and 16 gigs of ram, amazing for work. Much better build quality than modern laptops.

    • @MarioFlores-zo2qu
      @MarioFlores-zo2qu Před 8 měsíci +1

      Hola

    • @jacekf
      @jacekf Před 8 měsíci +3

      FYI next revision of E5440 is E5450... (no E5460) then E5470... 80...90 E5470 stars NVME.E5440 E5=model 4=14" 40 =4th gen Intel CPU So E5570 would be E5 15" 7th gen intel CPU

  • @johntende9885
    @johntende9885 Před 8 měsíci +2

    I got one of these laptop this year. Same model same issue.

  • @user-zn3og6uu6r
    @user-zn3og6uu6r Před 8 měsíci +1

    Hello from Greece. Thank you very much for your videos. they have helped me a lot. I wonder if you could make a video showing how the power supply that charges the laptop's battery works, using a multimeter and an oscilloscope, and showing the voltages before and after the mosfet and the waveform that activates the gates from the bq chips. I think you understand what I mean.
    thanks.

  • @user.fedorman
    @user.fedorman Před 8 měsíci +4

    The capacitor will be replaced in the next video 😂
    Sorin for President of Romania 😊

  • @rfr653
    @rfr653 Před 7 měsíci +1

    Good job mate 👍

  • @mugurelrosca9774
    @mugurelrosca9774 Před 7 měsíci

    La multi ani, Sorin! Felicitari pentru tot efortul pe care il depui pentru aceste clipuri ca noi sa invatam ceva. Multumesc!

  • @albarkajr9806
    @albarkajr9806 Před 8 měsíci +5

    I'm learning so much from this man. Thank you

  • @natspdo
    @natspdo Před 8 měsíci +1

    thank you

  • @Timpano_Francesco_Repairs
    @Timpano_Francesco_Repairs Před 8 měsíci

    Hi Sorin, great job troubleshooting the mainbord and explaning the schematic, thank u let me learning much more every day, bye Francesco Timpano from Florence Italy

  • @andrewwturner
    @andrewwturner Před 8 měsíci +1

    Fewer capacitors means less to go wrong in the future, I hope you charged the customer extra for the upgrade!

  • @aechtabayer5434
    @aechtabayer5434 Před 8 měsíci +1

    Great job! Had same one in for repair! Quiet nice build Notebooks!

  • @user-sj5uu4gv2w
    @user-sj5uu4gv2w Před 8 měsíci +1

    Sorin , This man is a legend !!! Keep on :)

  • @sumuduasiri
    @sumuduasiri Před 8 měsíci

    Dell latitude is best laptop i have used ever. I have dell latitude e6510 1st gen lap. Still working properly. It's 13 years old now.

    • @englishrupe01
      @englishrupe01 Před 8 měsíci

      Yes, indeed....great laptops. My daily driver is an E6520, still working perfectly. I am about to upgrade (slightly) the CPU but, running Linux Mint, it is fast, boots in 20 seconds and does everything i need. It hardly even gets warm. Love it.

  • @usmanabdulkadir-pw7to
    @usmanabdulkadir-pw7to Před 8 měsíci

    I am from Nigeria, I appreciate all your videos. Thank you for your lectures, I have learned much from your videos.
    Please do you have a live stream question and answer section ?

  • @Electronics_Repair_NZ
    @Electronics_Repair_NZ Před 8 měsíci

    Its a nice feeling to solve a problem, its like a natural high, merry Christmas Sorin :)

  • @louisboko02
    @louisboko02 Před 8 měsíci +1

    Please Sorin, can you do video on how to disable short circuit protection on linear DC power supply? I have one but I don't know how to do it. Thanks

  • @usmanabdulkadir-pw7to
    @usmanabdulkadir-pw7to Před 8 měsíci

    I am from Nigeria, I appreciate all your videos. Thank you for your lectures, I have learned much from your videos.
    Please do you have a live question and answer section ?

    • @collinsmesue2143
      @collinsmesue2143 Před 8 měsíci

      Coffee and Electronics with Sorin every Sunday morning 😁

  • @fatihyavann
    @fatihyavann Před 8 měsíci +1

    every laptop is nice for sorin :) good jop,bravo 👏

  • @bobsonsitecomputerrepair4305
    @bobsonsitecomputerrepair4305 Před 5 měsíci +1

    SORIN!!! I can't believe you do dodgey repair and not replace the capacitor!!!
    🤪😜😝😅🤣

  • @Dohcom1
    @Dohcom1 Před 8 měsíci

    Nice simple fix and cool present!

  • @ElectroFixLab
    @ElectroFixLab Před 8 měsíci +2

    Hello, good job, Regards 😀

  • @alextheotokatos6237
    @alextheotokatos6237 Před 8 měsíci

    I have this usb tester. it will help you and you can reverse the input/outup coz of the low resistance. The menu switch is not very friendly but can do your work.
    As for the missing capacitor, I'm waiting for the next video.

  • @kizazvucnik
    @kizazvucnik Před 8 měsíci +1

    We expect the capacitor to be replaced in 2030.Greetings from Serbia

  • @richardowusu7536
    @richardowusu7536 Před 3 měsíci

    Fantastic,l watch u always ❤❤❤

  • @ctecrwp
    @ctecrwp Před 8 měsíci

    Sorin....we will not complain if you use a pry bar....instead.😊

  • @ouaddiakradaliazdine8280
    @ouaddiakradaliazdine8280 Před 8 měsíci

    I'll send you present too from morroco think you

  • @cfamozcomputermetropolis7191
    @cfamozcomputermetropolis7191 Před 8 měsíci +1

    Awesome

  • @elkanayunana2182
    @elkanayunana2182 Před měsícem

    And we hv a picture😂 I can't believe it 😅

  • @meon-q2o
    @meon-q2o Před 8 měsíci

    Sir sorin what king of thermal camera you used :)

  • @chumatez
    @chumatez Před 8 měsíci

    Nice one

  • @christozed
    @christozed Před 8 měsíci

    Sorin !!!
    Very nice resolution and smooth microscope camera.
    Which is it???

  • @Kris0725PL
    @Kris0725PL Před 8 měsíci +2

    I like Dell :) watching :)

  • @TheFelix63
    @TheFelix63 Před 8 měsíci

    also in Italy, '' a caval donato non si guarda in bocca''

  • @retrocomputinggrotto
    @retrocomputinggrotto Před 7 měsíci +1

    Nice present! It's very true, you should never look a gift horse in the mouth! - Good to see you not using pliers to remove a capacitor and that you're going to replace the capacitor on another video, maybe you're not so 'dodgy' after all... ;)

  • @ediksto
    @ediksto Před 8 měsíci

    X for doubt

  • @rraallvv
    @rraallvv Před 8 měsíci +1

    "finally friday" ...again, LOL ...time is moving too fast

  • @pascalphase2556
    @pascalphase2556 Před 8 měsíci +1

    Of course ! replacing the capacitor ! Lol

  • @omiza3416
    @omiza3416 Před 8 měsíci

    Sorin u pushing about 3amps with low voltage before mosfets and voltages can pass through?

  • @technadeem5930
    @technadeem5930 Před 8 měsíci

    i want to purchase thermal camera with web sid and price find good
    and low bugude camera give me suggetion

  • @mharszkietv
    @mharszkietv Před 8 měsíci

    good jobs sir i want to learn from you.. gonna teach me sir. step by step

  • @JobsonGabriel
    @JobsonGabriel Před 8 měsíci

    At 6:26 PD401 seems dodgy. Seems like this job is gonna come back soon.

    • @filips7158
      @filips7158 Před 8 měsíci

      It's just dirty, seems ok

    • @carlosgarciaoropeza5480
      @carlosgarciaoropeza5480 Před 8 měsíci

      @JobsonGabriel: a) PD401, Two-terminal diode. No damage is seen on the body of the component.
      b) PD400, three-terminal diode, three people in my workshop say that you are right and that you have eagle eyesight. Thank you for your observation (opinion). All the best.

  • @warunakangara6791
    @warunakangara6791 Před 8 měsíci

    Hey, sorin, come on, please replace the capacitor 😂,,, ❤

  • @Austino-Technology-Ltd
    @Austino-Technology-Ltd Před 8 měsíci

    Thanks
    I have a question, Asus powers on but nothing more, no fan spin no nother indicator light, power bottom can not even force shut down
    What could be the fault and remedy

  • @Vasilica85
    @Vasilica85 Před 8 měsíci

  • @KostadinDelizhanski
    @KostadinDelizhanski Před 8 měsíci

    Sorin, what model electric screwdriver you use?

    • @jimdavis6833
      @jimdavis6833 Před 8 měsíci +1

      Below his video, he has links to his tools. click on "show more".

    • @KostadinDelizhanski
      @KostadinDelizhanski Před 8 měsíci

      10x missed it
      @@jimdavis6833

  • @NBMSCH
    @NBMSCH Před 8 měsíci

    Easy Breezy 😅

  • @lvwilb5687
    @lvwilb5687 Před 8 měsíci

    Great job Sorin, i had a dell laptop almost identical to that one.I INJECTED 3AMP AFTER THE CURRENT RESISTOR NOTHING GOT HOT ,4AMP STILL NOT HOT. I SHORTED THE CURRENT SENSOR TO GROUND IT WAS SHORTED. I DID 2 MOTHER BOARDS SAME OUT COME. WHAT WENT WRONG.I'M DOING EVERYTHING THE VIDEO TELL ME TO TRY STILL NO RERESULT. THANK

  • @user-es5bq3mp6d
    @user-es5bq3mp6d Před 8 měsíci

    😍😍😍

  • @carlosgarciaoropeza5480
    @carlosgarciaoropeza5480 Před 8 měsíci

    Cap WHO?

  • @siddiquishoaib7929
    @siddiquishoaib7929 Před 8 měsíci

    why damn company putting capacitor on board,sorin removing all of them,lol..........

  • @nibretzelekewubetu1801
    @nibretzelekewubetu1801 Před 8 měsíci

    E6440 battry dead and am using it online. No sparepart in Ethiopia

    • @englishrupe01
      @englishrupe01 Před 8 měsíci

      All you really need is a cheap multi 18650 battery holder and a voltage converter, with a Dell-type adapter plug and you can make your own substitute battery. That's what i do, with salvaged laptop 18650 batteries. You need never buy a regular battery again, and i pop out the 18650's and charge them off the laptop. Works great. Plus, i made a Y cable so i could swap in a new battery before unplugging the depleted one, so i didn't need to shut it down to swap. I made it mainly for power cuts, but it would work fine for you too.

  • @jacekf
    @jacekf Před 8 měsíci

    a shorted cap! wow WOW! who could have seen that coming??? what did we learn? NAFT! wasted 10 min!

  • @onetimelifebigcamera1607
    @onetimelifebigcamera1607 Před 8 měsíci

    ❤🎉❤🎉❤1st ❤❤❤❤

  • @RanHadar-m8t
    @RanHadar-m8t Před 8 měsíci

    Hopeless problem, may has solution or not

  • @waheedas30
    @waheedas30 Před 8 měsíci

    in italian dont count gifted horse teeth

  • @pihmusik
    @pihmusik Před 6 měsíci

  • @adaniel69
    @adaniel69 Před 8 měsíci

    this proverb, translated to romanian: Calul de dar nu se caută la dinți! ㋛㋛㋛㋛㋛

    • @carlosgarciaoropeza5480
      @carlosgarciaoropeza5480 Před 8 měsíci +1

      @adaniel69: In Spanish it is very similar: "a gift horse does not have its tusk checked". All the best

  • @usmanabdulkadir-pw7to
    @usmanabdulkadir-pw7to Před 8 měsíci

    I am from Nigeria, I appreciate all your videos. Thank you for your lectures, I have learned much from your videos.
    Please do you have a live question and answer section ?

    • @tafadzwamusekiwa659
      @tafadzwamusekiwa659 Před 8 měsíci +1

      He has a "Let's have a coffee" every Sunday you can ask there