s340-15IWL Laptop stops charging until AC and battery are disconnected

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  • mrkmpn
    Senior Member
    • Apr 2022
    • 60
    • United States
    #1

    s340-15IWL Laptop stops charging until AC and battery are disconnected

    I have a Lenovo IdePad s340-15IWL that will charge fine to 100%, but if you let the battery drain to around 50% (give or take) and plug the AC adapter back in, it will no longer charge and the only way to resolve the issue is to disconnect the AC adapter, disconnect the battery, plug the battery back in, and then the AC adapter, and then it will once again charge the battery back to 100%.

    If you unplug the AC adapter and let it drain down a little and plug it back in, charging still works fine. I'm not 100% sure where the cutoff is where it stops working, but I think it's down around 50-60% or so.

    I have tried a different battery and AC adapter, tried updating BIOS, but still have the same problem.

    Does anyone know what might be the cause of this, or what I can try to test?
    Tags: None
    • mcplslg123
      Badcaps Legend
      • Jun 2015
      • 7262
      • india
      #2
      Re: Laptop stops charging until AC and battery are disconnected

      Check settings in battery management software,if installed. lenovo has such software for many models.

        Comment

        • Sephir0th
          Badcaps Legend
          • Oct 2020
          • 1282
          • Germany
          #3
          Re: Laptop stops charging until AC and battery are disconnected

          Just a shot into the blue, but sometimes a partial failed PR324 or PD301 can cause such a behaviour. have dealt with faults in this area more than twice. Fast to check/rule out.
          FairRepair on YouTube

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