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Re: Battery drain with poweroff

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On 08.02.2021 15:01, Nicolas George wrote:
> Hi.
>
> On my new Acer TravelMate Spin B3, running recent Bullseye, I have
> noticed a strange battery drain when the computer is powered off: it
> loses about 1% of the total battery charge every hour, which makes a
> quarter of the battery in a day.
>
> The drain happens when the computer has been powered down with poweroff
> or an equivalent. I have checked, and it does not happen if I power down
> with a long press on the power button (after halt). Therefore, it is a
> sign of something staying powered with the normal kernel shutdown. I
> have checked that wake-on-lan, wake-on-RTC-clock and similar features
> are disabled in the setup.
>
> Does anybody have an idea about what could be the culprit or how to
> investigate?
>
> Thanks in advance.
>
Probably something to do with USB-Charger feature.
Acer got a BIOS update 1.09 [1] that claims to fix similar issue.
I don't know what is your model exactly, so look up BIOS update for your 
laptop using SNID code.


[1] https://www.acer.com/ac/en/US/content/support-product/8273?b=1

-- 
With kindest regards, Alexander.

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Battery drain with poweroff Nicolas George <george@nsup.org> - 2021-02-08 11:10 +0100
  Re: Battery drain with poweroff "Alexander V. Makartsev" <avbetev@gmail.com> - 2021-02-08 11:30 +0100
    Re: Battery drain with poweroff Nicolas George <george@nsup.org> - 2021-02-08 13:30 +0100
      Re: Battery drain with poweroff Marko Randjelovic <markoran@eunet.rs> - 2021-02-08 14:20 +0100
        Re: Battery drain with poweroff "Alexander V. Makartsev" <avbetev@gmail.com> - 2021-02-08 14:50 +0100
      Re: Battery drain with poweroff "Alexander V. Makartsev" <avbetev@gmail.com> - 2021-02-08 14:40 +0100
        Re: Battery drain with poweroff Nicolas George <george@nsup.org> - 2021-02-08 16:40 +0100
      [SOLVED] BIOS upgrade on an Acer laptop (was: Battery drain with  poweroff) Nicolas George <george@nsup.org> - 2021-02-08 17:20 +0100
        Re: [SOLVED] BIOS upgrade on an Acer laptop (was: Battery drain with  poweroff) Nicolas George <george@nsup.org> - 2021-02-10 15:10 +0100

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