Satellite L300-1AS - Doesn't charge and run on battery

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  • dycc
    Vision
    • Nov 2011
    • 624
    • Côte d'Ivoire
    #1

    Satellite L300-1AS - Doesn't charge and run on battery

    I have a Satellite L300-1AS, running Vista. The computer has recently started to show that it is "plugged in, charging", but it does not in fact charge. Computer boots normally using mains power, however if mains power disconnected then the laptop dies (no charge in the battery).

    I thought it might have been the power adapter, but I also have an older toshiba which has the exact same power adapter, I tried it and it works on both machines (and both adapters charge the old laptop)

    I then thought it might be the battery and bought a new battery (the computer is under warranty, but I needed it quick). The new battery will not charge, but shows 6% charge.

    I then thought that it might be corruption in Vista, so have returned the computer to its factory settings, by re-installing the software. This still has not solved the problem.

    Does anyone know something about this ?
    Tags: None
    • b700029
      Banned
      • Sep 2010
      • 640
      #2
      Re: Satellite L300-1AS - Doesn't charge and run on battery

      Schematic: http://www.4shared.com/office/ebCXQQ..._Pro_L300.html

      I would check Q500, Q506, and Q507.

        Comment

        • shovenose
          Send Doge Memes
          • Aug 2010
          • 6575
          • USA
          #3
          Re: Satellite L300-1AS - Doesn't charge and run on battery

          Originally posted by dycc
          I have a Satellite L300-1AS, running Vista. The computer has recently started to show that it is "plugged in, charging", but it does not in fact charge. Computer boots normally using mains power, however if mains power disconnected then the laptop dies (no charge in the battery).

          I thought it might have been the power adapter, but I also have an older toshiba which has the exact same power adapter, I tried it and it works on both machines (and both adapters charge the old laptop)

          I then thought it might be the battery and bought a new battery (the computer is under warranty, but I needed it quick). The new battery will not charge, but shows 6% charge.

          I then thought that it might be corruption in Vista, so have returned the computer to its factory settings, by re-installing the software. This still has not solved the problem.

          Does anyone know something about this ?
          If it's under warranty return it to Toshita (pun intended), before you start taking it apart and testing components, which will probably void any warranty you have.

            Comment

            • b700029
              Banned
              • Sep 2010
              • 640
              #4
              Re: Satellite L300-1AS - Doesn't charge and run on battery

              That model was built in 2008 and discontinued. I doubt there's any warranty left.

                Comment

                • dycc
                  Vision
                  • Nov 2011
                  • 624
                  • Côte d'Ivoire
                  #5
                  Re: Satellite L300-1AS - Doesn't charge and run on battery

                  that is not the problem. do you have a solution ?

                    Comment

                    • b700029
                      Banned
                      • Sep 2010
                      • 640
                      #6
                      Re: Satellite L300-1AS - Doesn't charge and run on battery

                      Check the rest of the charging circuit. You can try measuring across the 10 mOhm current sense resistor to see if there is current going into the battery.

                        Comment

                        • indoyono
                          New Member
                          • Feb 2012
                          • 4
                          #7
                          Re: Satellite L300-1AS - Doesn't charge and run on battery

                          test
                          Last edited by indoyono; 02-11-2012, 11:13 AM. Reason: wrong forum

                            Comment

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