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Re: psu or firmware?

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Graham Seaman wrote: 
> I'm running Debian on an old Dell Vostro 1520 - old and slow, but has been
> working fine. Recently the PSU has stopped charging. It is genuinely empty;
> if I power down and then try to boot with no power cable attached the laptop
> is completely dead.
> 
> I guess it's most likely this is a hardware failure, but since I'm unlikely
> to find a viable replacement for the battery I'm hoping there might be some
> firmware or other software change that could account for it.

A quick search shows lots of people selling replacement
batteries from $12 to $60 US, most in the $20-25 range.

A secret of many laptop batteries, including this one, is that
the battery is largely a container to hold 18650 lithium battery
cells, which can be purchased separately. 

Now, if the motherboard charging circuitry is toast, this won't
work, and you should consider a new machine.

-dsr-

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Thread

psu or firmware? Graham Seaman <graham@theseamans.net> - 2020-07-18 14:30 +0200
  Re: psu or firmware? Dan Ritter <dsr@randomstring.org> - 2020-07-18 14:40 +0200
    Re: psu or firmware? Graham Seaman <graham@theseamans.net> - 2020-07-18 22:30 +0200
      Re: psu or firmware? rhkramer@gmail.com - 2020-07-18 22:50 +0200
        Re: psu or firmware? Graham Seaman <graham@theseamans.net> - 2020-07-18 23:10 +0200
          Re: psu or firmware? rhkramer@gmail.com - 2020-07-19 18:20 +0200
  Re: psu or firmware? Klaus Singvogel <deb-user-ml@singvogel.net> - 2020-07-18 14:50 +0200
    Re: psu or firmware? Graham Seaman <graham@theseamans.net> - 2020-07-18 22:30 +0200
      Re: psu or firmware? Klaus Singvogel <deb-user-ml@singvogel.net> - 2020-07-18 23:20 +0200
  Re: psu or firmware? songbird <songbird@anthive.com> - 2020-07-18 20:50 +0200
    Re: psu or firmware? Stefan Monnier <monnier@iro.umontreal.ca> - 2020-07-18 22:40 +0200
      Re: psu or firmware? Stefan Monnier <monnier@iro.umontreal.ca> - 2020-07-18 22:50 +0200
        Re: psu or firmware? Graham Seaman <graham@theseamans.net> - 2020-07-18 23:20 +0200
          Re: psu or firmware? Eike Lantzsch <zp6cge@gmx.net> - 2020-07-18 23:50 +0200
        Re: psu or firmware? rhkramer@gmail.com - 2020-07-19 18:10 +0200
      Re: psu or firmware? Graham Seaman <graham@theseamans.net> - 2020-07-20 19:00 +0200
        Re: psu or firmware? David Wright <deblis@lionunicorn.co.uk> - 2020-07-21 05:40 +0200
          Re: psu or firmware? Graham Seaman <graham@theseamans.net> - 2020-07-21 22:40 +0200
  Re: psu or firmware? deloptes <deloptes@gmail.com> - 2020-07-18 21:20 +0200

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