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Problème avec Ports USB HP pavilion 15-bc402nf.DAG35MMB8C1

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    #1

    Problème avec Ports USB HP pavilion 15-bc402nf.DAG35MMB8C1

    Good morning,
    HP Pavilion laptop PC Portable model: 15-bc402nf.
    Motherboard reference: DAG35MMB8C1 REV:C
    I have a problem with USB ports and Bluetooth; they are not detected by either Windows or Ubuntu.
    In the device manager I have this message: xHCI USB compatible Host Controller.
    No success with all updates and bios flashing.
    I would like your help and you can send me the diagram of this card, that would be nice of you.

    Bonjour,
    Pc portable HP pavilion Notebook model:15-bc402nf.
    Référence carte mère : DAG35MMB8C1 REV:C
    J'ai un problème avec les ports USB et le Bluetooth; ils ne sont détectés ni par Windows ni par Ubuntu.
    Dans le gestionnaire de périphériques j'ai ce message : Contrôleur d'Hôte compatible xHCI USB.
    Sans succès avec toutes les mises à jour et flashage du bios.
    Je souhaiterai votre aide et vous pouvez me communique le schéma de cette carte ça sera sympa de votre part.
    Last edited by SMDFlea; 09-24-2023, 01:05 PM.
    Tags: None
    #2
    Re: Problème avec Ports USB HP pavilion

    Originally posted by baata1
    Good morning,
    HP Pavilion laptop PC Portable model: 15-bc402nf.
    Motherboard reference: DAG35MMB8C1 REV:C
    I have a problem with USB ports and Bluetooth; they are not detected by either Windows or Ubuntu.
    In the device manager I have this message: xHCI USB compatible Host Controller.
    No success with all updates and bios flashing.
    I would like your help and you can send me the diagram of this card, that would be nice of you.
    https://www.badcaps.net/forum/showth...ht=DAG35MMB8C1

    Comment

      #3
      Re: Problème avec Ports USB HP pavilion

      Good morning,
      This is not the correct reference for my motherboard.
      Thanks again.

      Comment

        #4
        Re: Problème avec Ports USB HP pavilion

        demonter the laptop find out in USB port if you are getting +5V
        Last edited by Techtiger; 09-24-2023, 11:30 AM.

        Comment

          #5
          Re: Problème avec Ports USB HP pavilion

          Indeed I have a voltage of 5V at the USB output, I still have the error in the device manager. They are still not detected.

          Comment

            #6
            Re: Problème avec Ports USB HP pavilion

            Originally posted by baata1 View Post
            Indeed I have a voltage of 5V at the USB output, I still have the error in the device manager. They are still not detected.
            Have you tried with a keyboard USB if the Num lock led Working or not ?

            Comment

              #7
              Re: Problème avec Ports USB HP pavilion

              No, I haven't tried it with a keyboard, but I tried it with a mouse, it turns on but doesn't work.

              Comment

                #8
                Re: Problème avec Ports USB HP pavilion

                I will try tomorrow with a keyboard and I will let you know.
                Thanks again.

                Comment

                  #9
                  Re: Problème avec Ports USB HP pavilion

                  If the mouse is not detected then the keyboard will probably not work either. Both are HID devices and natively supported by all operating systems.

                  Remove all power. Meter in diode mode.

                  Red meter probe to ground, yes red.

                  Black meter probe to D+ pin on the USB connector.

                  What is the voltage?

                  Repeat for D- pin connector. Compare the readings to a known good USB port measurement of any logic board.

                  Comment

                    #10
                    Re: Problème avec Ports USB HP pavilion

                    Originally posted by mon2 View Post
                    If the mouse is not detected then the keyboard will probably not work either. Both are HID devices and natively supported by all operating systems.

                    Remove all power. Meter in diode mode.

                    Red meter probe to ground, yes red.

                    Black meter probe to D+ pin on the USB connector.

                    What is the voltage?

                    Repeat for D- pin connector. Compare the readings to a known good USB port measurement of any logic board.
                    Follow the instructions of mon2

                    Comment

                      #11
                      Re: Problème avec Ports USB HP pavilion 15-bc402nf.DAG35MMB8C1

                      Besides voltage readings, resistance to GND reading on D+/D- on usb ports?

                      Comment

                        #12
                        Re: Problème avec Ports USB HP pavilion 15-bc402nf.DAG35MMB8C1

                        Good morning,
                        I just tried as you indicated in your post; I connected the keyboard unfortunately the green light is absent it does not work.

                        Comment

                          #13
                          Re: Problème avec Ports USB HP pavilion 15-bc402nf.DAG35MMB8C1

                          Good morning,
                          I have just taken the measurements as you indicated in your message: in diode mode D- = 0.427 and D+ = 0.426.
                          Voltage mode Pin 1 = 5Volt.
                          D- = 0.033 Volts.
                          D+ = 0.044 Volts.
                          THANKS.

                          Comment

                            #14
                            Re: Problème avec Ports USB HP pavilion 15-bc402nf.DAG35MMB8C1

                            Hello, I need the HP Pavilion bios file Laptop model: 15-bc402nf.
                            Motherboard reference: DAG35MMB8C1.
                            Thank you so much.

                            Comment

                              #15
                              Re: Problème avec Ports USB HP pavilion 15-bc402nf.DAG35MMB8C1

                              Originally posted by baata1 View Post
                              Hello, I need the HP Pavilion bios file Laptop model: 15-bc402nf.
                              Motherboard reference: DAG35MMB8C1.
                              Thank you so much.
                              Reminder: rules and organization of this section - https://www.badcaps.net/forum/showthread.php?t=117483

                              RULES UPDATE for BIOS requests/offers *AVOID BANNING, READ BEFORE POSTING* - https://www.badcaps.net/forum/showthread.php?t=103570

                              .
                              All donations to badcaps are welcome, click on this link to donate. Thanks to all supporters

                              Comment

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