Repairing Dead HP All in One that won't turn on

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  • เผยแพร่เมื่อ 16 ก.ค. 2021
  • 2 out of 5 of this model computer in my possession will not turn on. The symptom is exactly like that of the video presented by Sorin from the TH-cam channel "Electronics repair school" in this video • Hp All-in-one 20-c400n...
    Both videos show the process of opening the computer, removing the CMOS battery and shorting the contacts for the battery in order to reset the BIOS to default settings.

ความคิดเห็น • 63

  • @thelongneckprime8172
    @thelongneckprime8172 ปีที่แล้ว +5

    Thank you. You and that guy have may saved my life's work.

  • @achilokoemma6615
    @achilokoemma6615 2 ปีที่แล้ว +4

    The Video was very helpful. Thanks

  • @yulizambrana3253
    @yulizambrana3253 ปีที่แล้ว +1

    It work for me. Thank you 🙏

  • @tonywallow964
    @tonywallow964 2 ปีที่แล้ว +1

    Cool repair

  • @ellensimmons4870
    @ellensimmons4870 2 ปีที่แล้ว +3

    For future reference, if you pull the fan, you can access the really small written words on how to reset cmos. If I remember correctly, it’s 3-4

  • @aljwham
    @aljwham ปีที่แล้ว +1

    This is really interesting.

  • @MrBook123456
    @MrBook123456 2 ปีที่แล้ว +1

    good work

  • @RavenNMonster
    @RavenNMonster 3 หลายเดือนก่อน +1

    This was like watching a train wreck. I just couldn't look away.

    • @LWTdb
      @LWTdb  3 หลายเดือนก่อน

      Thank you for commenting @RavenNMonster. I responded to your comment in today's live stream and this point in the video th-cam.com/users/liveykiF7RcIv8Q?si=irvWM-QeQ94iZHl1&t=97

  • @geojohnson5613
    @geojohnson5613 2 ปีที่แล้ว +3

    Doug, I often use an old credit card and slide it along the edges. This will release the clips quite easily often times. I have several spudger tools as well but the cc method works well often once you get it started with a spudger tool. FIY.

    • @LWTdb
      @LWTdb  2 ปีที่แล้ว

      I like that, I will try that on the second dead computer and that might be a live stream.

  • @reynaldocardona2767
    @reynaldocardona2767 7 หลายเดือนก่อน +1

    Very helpful i was able to fix my pc.

    • @LWTdb
      @LWTdb  7 หลายเดือนก่อน

      Thanks for letting me know. I acknowledged you in today's live stream at this point in the video th-cam.com/users/live2CXYRel4Ogo?si=C2PMZScc-eQJxczV&t=546

  • @vinemedia8713
    @vinemedia8713 2 ปีที่แล้ว +4

    Mine is weird. I got the lights blinking when the power cord is plugged but the fan is not moving it's dead, just the light is on. Then when i unplugged the cord, it turns on for a couple of seconds just in the welcome Windows part then it turns off again.

  • @ManorZvi
    @ManorZvi 2 ปีที่แล้ว +1

    Doug - "Electronics repair school" channel is operated by Sorin

  • @mahendrans1156
    @mahendrans1156 3 หลายเดือนก่อน +1

    Thank you ❤

    • @LWTdb
      @LWTdb  3 หลายเดือนก่อน

      You are welcome @mahendrans1156. I acknowledged you in today's live stream at this point in the video th-cam.com/users/liveqop376TC2kM?si=22RQmUYOJh0GuHn6&t=138

  • @chrisgarrett601
    @chrisgarrett601 2 ปีที่แล้ว +2

    I hate the way they design these. I love the idea of a all in one to save space but working on them is hard. I had a long story about a Dell Laptop. Long story short I had it apart and was unable to get it to snap back. Anyway I would love to see a live stream on repairing the other one.

  • @rubenace23
    @rubenace23 ปีที่แล้ว +1

    I tried that i do have a light on by power cord but when i hit the power button it still does not come on , Any sugestions?

  • @browsin2007
    @browsin2007 3 หลายเดือนก่อน +1

    Mine has a dead short, but love the percent video jump tip

    • @LWTdb
      @LWTdb  3 หลายเดือนก่อน

      Thank You. I responded to your comment during this morning's live stream at this point in the video
      th-cam.com/users/livejOkrM7HXsUM?si=_MVip5YTw_a5rVE2&t=284

  • @olzhasmukashev7158
    @olzhasmukashev7158 2 ปีที่แล้ว +1

    friend, my left side of display is a little bit hotter than right side, do you have the same condition?

    • @LWTdb
      @LWTdb  2 ปีที่แล้ว

      I did not notice that

  • @JeffRyman69
    @JeffRyman69 2 ปีที่แล้ว +2

    Just curious why you didn't test the CMOS battery since you had it out anyway.

    • @LWTdb
      @LWTdb  2 ปีที่แล้ว +2

      Simple... I didn't think of it. Even better, why not just replace it as long as I have the computer open. That takes less time than testing it since I have them.

    • @JeffRyman69
      @JeffRyman69 2 ปีที่แล้ว +1

      @@LWTdb You are right of course. Testing is fine for a desktop, but just changing is always the thing to do when you have had to pry open a laptop.

  • @theweekendphoto
    @theweekendphoto 10 หลายเดือนก่อน +1

    wow, did you actually replaced the cmosd battery with a new one my good Sir?

    • @theweekendphoto
      @theweekendphoto 10 หลายเดือนก่อน

      i tried this, it did. not work unfortunately

  • @yunuscool7154
    @yunuscool7154 หลายเดือนก่อน +1

    Excuse me what if I try to turn on the power button but I don’t hear a sound or a light coming out of it

    • @LWTdb
      @LWTdb  หลายเดือนก่อน

      Thank you for the question. I responded to your question during today's live stream at this point in the video. th-cam.com/users/livePi4oSapPTK8?si=ucRvTjQlZ1vkPMlS&t=827

  • @Nezello
    @Nezello 2 ปีที่แล้ว +5

    Replaced power supply. I got no lights, no fan, zip nada goose egg, now what?

    • @Milestonesoflove
      @Milestonesoflove ปีที่แล้ว

      I fixed this issue it ended up being the power button

  • @beeg_mike8446
    @beeg_mike8446 2 ปีที่แล้ว +1

    I bought one but it didn’t come with a ssd or a hard drive and it won’t turn on at all. Is the reason because it doesn’t have a ssd or hard drive?

    • @LWTdb
      @LWTdb  2 ปีที่แล้ว

      The computer should be able to turn on and access Bios setup without an SSD or hard drive.

  • @timsanborn1181
    @timsanborn1181 10 หลายเดือนก่อน +1

    I have a warrenty on my hp all in one and i need to send it in to be repaired but i would like to know what is going on with it or have an idea. So the other week it was running rfine and i went to church and came back home my hp all in one was no longer powered one i turned it back on and the back light lit up for maybe fifteen seconds and shut back off, I tried moving it to anthor power outlet same thing. I found a third outlet and had it plugged in and it worked for maybe an hour and then powerd back off and i was having the same issue with it powering on for fifteen seconds and then dying. I read it might be something on the mother board can anyone offer any insight on this problem.

    • @LWTdb
      @LWTdb  10 หลายเดือนก่อน

      Hi Tim. I replied to you in today's live stream. This link will take you to that point in the video. th-cam.com/users/liveRayZPJiZkaw?feature=share&t=1366

  • @commendatore2516
    @commendatore2516 10 หลายเดือนก่อน +2

    hello dear sir, im about to buy the hp aio 27 and im wondering about its reliability, it seems you know a thing or two about these things, is it save to buy one?

    • @LWTdb
      @LWTdb  10 หลายเดือนก่อน

      Thanks for the question. I replied to you in a recent live stream. This link will take you to that point in the video. th-cam.com/users/liveYVdTIECPsIA?feature=share&t=601

    • @commendatore2516
      @commendatore2516 10 หลายเดือนก่อน

      hello sir, you are very kind! thank you for your information and the reason why im about to buy the hp aio, is the design, i love the looks of it and the big screen 27 inch
      i have already 2 HP laptops which are still running great but im little bit bored of them and i think i would appreciate the 27 inch screen over the 15,6 which both of my laptops have@@LWTdb

  • @weezilFX
    @weezilFX 8 หลายเดือนก่อน +2

    It would have been very helpful if I knew what the reset button looks like or what I should do because I have the same HP PC but I'm stuck🙇‍♂️

    • @LWTdb
      @LWTdb  8 หลายเดือนก่อน +1

      Thank you for the comment @weezilFX. I replied to you in today's live stream at this point in the video th-cam.com/users/livexo5TnRPUTl8?si=trXmWQC5c5xu8Wra&t=42

  • @newvoyeur
    @newvoyeur 10 หลายเดือนก่อน +2

    Can skip through lots of boring fine details. Should have checked the battery voltage - which likely caused the problem.

  • @KC86DAMN
    @KC86DAMN 2 ปีที่แล้ว +1

    I have the same problem. It doesnt work on mine.

  • @show4
    @show4 ปีที่แล้ว

    I’ve tried all of these steps but still not powering on. Any suggestions?

    • @LWTdb
      @LWTdb  ปีที่แล้ว +1

      My conclusion would be the motherboard has gone bad. One of my active viewers recently had a friend who does motherboard repairs replace a few components soldered on the motherboard that were showing overly hot via a thermal sensor and successfully revived the computer.

  • @bayardoarellano5440
    @bayardoarellano5440 ปีที่แล้ว +1

    Could you send a pic. Of the web camara cable connection, n91c cable. Or post a pic with cable colors.

    • @LWTdb
      @LWTdb  ปีที่แล้ว

      No I can't. I don't have that computer anymore.

    • @bayardoarellano5440
      @bayardoarellano5440 ปีที่แล้ว

      @@LWTdb Gracias!

  • @StrongNoah
    @StrongNoah ปีที่แล้ว +2

    Hey Doug! My HP AIO has crashed 18 times already this year! This pc was made in May 2022 and was purchased in August 2022 from Best Buy.
    It can crash whenever I’m on Google Chrome, (Whole PC Locks Up! I have to push the shut down button to turn off my pc!
    Same thing happened on Edge Browser too.
    I’ve tested the Memory, No Problems!
    And reinstalling the OS does not do anything.
    All Hardware Diagnostic tests passed.
    Idk what causes this issue?
    Very Mysterious!
    No Viruses or Malware!
    I really don’t want to take it to the Geek Squad!

    • @LWTdb
      @LWTdb  ปีที่แล้ว

      Hi @StrongNoah I replied to you with some ideas for troubleshooting this in today's live stream at this point th-cam.com/users/livebQ2-u4FD2vo?feature=share&t=125

    • @StrongNoah
      @StrongNoah ปีที่แล้ว +1

      I’m sorry I didn’t make it clearer.
      1.) This Pc I guess was manufactured in May 2022.
      I can be on certain websites and sometimes it happens.
      I did a TOTAL RESET back in October 2022 with OK yes I did it while in the Recovery settings in Windows 11 and clicked on the permanent reset by scratch. So everything on my Hard Drive was deleted.
      It’s still under warranty until August 2023. I would tell the Geek Squad I had already reinstalled the OS from scratch.

    • @LWTdb
      @LWTdb  ปีที่แล้ว

      @@StrongNoah I replied at two locations in today's live stream th-cam.com/users/livemViBb0VKpHQ?feature=share&t=197 and th-cam.com/users/livemViBb0VKpHQ?feature=share&t=930

    • @LWTdb
      @LWTdb  ปีที่แล้ว

      On Saturdays I am available during live stream with Zoom sessions and can connect remote to your computer to go through the diagnostic logs that I discussed. You can use this link to find out the time for your time zone th-cam.com/users/lwtdblive

    • @StrongNoah
      @StrongNoah ปีที่แล้ว

      @@LWTdb
      Ok when the computer locks up, none of the keyboard buttons work sadly.
      Not even the Caps Lock or the Number Lock Button. Nothing! Not even Task Manager or my wireless mouse.
      The keyboard is wireless as well but performs just fine.
      When the pc does freeze I don’t have a lot of stuff running in the background.
      I mean I have a USB Hub that always plugged in and it has a USB Flash Drive plugged in along with an External Cd-Rw Drive and my USB External Speakers. So they are plugged all the time. Once in a while the USB Flash Drive disconnects and I just have to take it out gently and then plug it back in and it connects again.
      When the computer locks up, yes there is a power button on the back of the HP All-In-One and I have to press that
      (Because that’s the only thing that works at the time) down to hold it turn off the computer.
      Doug, the other day when my pc crashed again THIS TIME I FINALLY
      got a Blue Error Screen!
      Actually my Internet had gone down as well because of a outage in the area.
      I’ll be honest with you!
      I was relieved to see a Blue Screen
      for once! I mean of course I’m not
      really happy, But the Blue Screen in
      Windows is much friendlier looking
      then in the past blue screens.
      Doug, All I know is I NEVER had a problem with Windows 7 back in 2013. It was AWESOME!!
      No Crashes ever on Windows 7 for me.
      And now it’s permanently
      discontinued! 😡
      It NEVER FROZE ONCE!
      And I had 3GB of Memory on it because I was running Vista before
      I upgraded to Windows 7.
      Windows 8.1 was ok too along
      with Windows 10.
      BTW my BIOS UEFI is up to date!
      Maybe I’ll try to turn off the Hardware
      Acceleration Mode in Chrome
      like somebody said in the live
      comments. Maybe it will or
      won’t help. And I didn’t at first
      think it would happen on Edge
      But it did!
      What’s a Mother to do? Lol 😂

  • @user-ov5zx4yb4u
    @user-ov5zx4yb4u 5 หลายเดือนก่อน +1

    i have 5 of this all in one which are not turning on

  • @leseditwala814
    @leseditwala814 ปีที่แล้ว +1

    Hy guy please 🙏 help I used a wrong adapter on my hp 2021 all in one pc and now it doesn't want to turn on

    • @LWTdb
      @LWTdb  ปีที่แล้ว

      Thanks for the question. This link will take you to the spot in today's live steam where I replied to your question. th-cam.com/users/livepbLO176qxOQ?feature=share&t=858

    • @leseditwala814
      @leseditwala814 ปีที่แล้ว

      Thanks for your time

    • @leseditwala814
      @leseditwala814 ปีที่แล้ว

      Hy sir I found the correct adapter and tried all the troubleshooting but still won't turn on but the white light on the back of my pc is on

    • @LWTdb
      @LWTdb  ปีที่แล้ว

      @@leseditwala814 I replied to you in these two videos from yesterday and today with more ideas to pursue th-cam.com/users/liveoPIEtrgWGtc?feature=share&t=689 & th-cam.com/users/live6OcScpqLMSw?feature=share&t=1322

  • @deanavidzdaley9478
    @deanavidzdaley9478 2 ปีที่แล้ว +2

    This didn’t help

  • @circusboy90210
    @circusboy90210 2 ปีที่แล้ว +1

    Covid wa never a real problem