HP Pavilion 15, has power,black screen, not posting?

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  • Midway22
    New Member
    • Oct 2019
    • 5
    • Austra
    #1

    HP Pavilion 15, has power,black screen, not posting?

    Hey guys

    New here to the forum made a small video to show the issue im experiencing.
    I've already ordered a new laptop but regardless id like to get this fixed as a learning experience.

    Any advice would be welcome.

    Below is a link of the laptop in action

    https://youtu.be/1oESfAJt6vs
    Tags: None
    • piernov
      Super Moderator
      • Jan 2016
      • 4435
      • France
      #2
      Re: HP Pavilion 15, has power,black screen, not posting?

      Write full laptop model number (there are dozens of different HP Pavilion 15), write board model number, describe the problem, describe history of the machine, describe the troubleshooting steps taken…
      OpenBoardView — https://github.com/OpenBoardView/OpenBoardView

        Comment

        • Midway22
          New Member
          • Oct 2019
          • 5
          • Austra
          #3
          Re: HP Pavilion 15, has power,black screen, not posting?

          Originally posted by piernov
          Write full laptop model number (there are dozens of different HP Pavilion 15), write board model number, describe the problem, describe history of the machine, describe the troubleshooting steps taken…
          Laptop is a HP Pavilion 17-f111ni
          Board model is : day11amb6e0 rev E

          Machine is 3yrs old at this point, has only been opened to upgrade RAM and SSD drive. Has never had any spills on it.

          Laptop was working perfectly,shut down, went to lunch and returned to find that the laptop would power on but wouldnt post.

          Steps taken so far.
          Pulled out ram,bios battery,dvd drive etc to see if machine will post and problem still persists.

          What i have noticed is that external peripherals like USB keyboard, wifi dongle do not even receive power leading me to believe the board isnt posting so im assuming SuperIO issue or BIOS chip?

          I do have access to multimeter and have yet to check power rail.

          I did post a video showing the issue and would like some opinions before i go deeper into checking power cuitry

            Comment

            • piernov
              Super Moderator
              • Jan 2016
              • 4435
              • France
              #4
              Re: HP Pavilion 15, has power,black screen, not posting?

              First thing to check in this case is voltage on CPU VCore. Should be around 1.7V.
              If it's present, try to flash the BIOS.
              OpenBoardView — https://github.com/OpenBoardView/OpenBoardView

                Comment

                • Midway22
                  New Member
                  • Oct 2019
                  • 5
                  • Austra
                  #5
                  Re: HP Pavilion 15, has power,black screen, not posting?

                  Will pull up diagram and check vcore voltage

                    Comment

                    • Midway22
                      New Member
                      • Oct 2019
                      • 5
                      • Austra
                      #6
                      Re: HP Pavilion 15, has power,black screen, not posting?

                      Vcore reading 1.72v

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