LA-B972P Caps lock Blink one Time

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  • battery.12v
    Senior Member
    • Dec 2014
    • 123
    • NW
    #1

    LA-B972P Caps lock Blink one Time

    15-r259ne LA-B972P came no display, caps lock blink one time (CPU not Functional)
    CPUcore is present 1.73V, all other voltages are present also 5v,3.3., 1.35v, 1.05v , gpu volt
    any guidance ? flashed too many bios files but no luck
    Tags: None
    • Sephir0th
      Badcaps Legend
      • Oct 2020
      • 1262
      • Germany
      #2
      Re: LA-B972P Caps lock Blink one Time

      Using known working DDR3L RAM?

      Check VIDALERT_N, H_VR_READY, PCH_PLTRST#, PCH_PLTRST#_EC, DDR3_DRAMRST#_CPU

      You can find Schematics Here: https://www.badcaps.net/forum/showpo...75&postcount=2
      FairRepair on YouTube

        Comment

        • battery.12v
          Senior Member
          • Dec 2014
          • 123
          • NW
          #3
          Re: LA-B972P Caps lock Blink one Time

          Originally posted by Sephir0th
          Using known working DDR3L RAM?

          Check VIDALERT_N, H_VR_READY, PCH_PLTRST#, PCH_PLTRST#_EC, DDR3_DRAMRST#_CPU

          You can find Schematics Here: https://www.badcaps.net/forum/showpo...75&postcount=2
          It is not the same board, i cannot measure the signals

            Comment

            • Sephir0th
              Badcaps Legend
              • Oct 2020
              • 1262
              • Germany
              #4
              Re: LA-B972P Caps lock Blink one Time

              And what Board is it then? Full Board Number including Revision.
              Also Pictures Would be nice
              FairRepair on YouTube

                Comment

                • piernov
                  Super Moderator
                  • Jan 2016
                  • 4435
                  • France
                  #5
                  Re: LA-B972P Caps lock Blink one Time

                  Board is LA-B972P as indicated in OP. Link points to LA-A972P schematics which is a completely different board, it has been moved to its own thread with corrected title.
                  OpenBoardView — https://github.com/OpenBoardView/OpenBoardView

                    Comment

                    • Sephir0th
                      Badcaps Legend
                      • Oct 2020
                      • 1262
                      • Germany
                      #6
                      Re: LA-B972P Caps lock Blink one Time

                      Thank you for clarifying. Missed that. And of course, my apologies
                      FairRepair on YouTube

                        Comment

                        • mcplslg123
                          Badcaps Legend
                          • Jun 2015
                          • 7262
                          • india
                          #7
                          Re: LA-B972P Caps lock Blink one Time

                          You can use LA-A992P schematic. Its 90% similar.

                            Comment

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