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Battery drain with poweroff

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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

#231493 — Battery drain with poweroff

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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.

-- 
  Nicolas George

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#231494

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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.

⢀⣴⠾⠻⢶⣦⠀
⣾⠁⢠⠒⠀⣿⡁ Debian - The universal operating system
⢿⡄⠘⠷⠚⠋⠀ https://www.debian.org
⠈⠳⣄⠀⠀⠀⠀

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#231505

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Alexander V. Makartsev (12021-02-08):
> 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

Thanks, I never think of BIOS updates. This is the one for my exact
model, and the title looks very promising.

Now I need a way to apply it; apparently I need some way to boot
Windows. I hope I will not need to overwrite the complete drive with the
backup image I made.

Regards,

-- 
  Nicolas George

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#231508

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Hi all,

On Mon, 8 Feb 2021 13:26:12 +0100
Nicolas George <george@nsup.org> wrote:
> Now I need a way to apply it; apparently I need some way to boot
> Windows. I hope I will not need to overwrite the complete drive with the
> backup image I made.

There is a program named 'flashrom' in Debian, but I don't know how
reliable is it as BIOS flash is quite a dangerous operation. I decided
to risk several years ago on an AMD system with MSI motherboard and was
successful.

Regards,
Marko

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#231513

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On 08.02.2021 18:04, Marko Randjelovic wrote:
> Hi all,
>
> On Mon, 8 Feb 2021 13:26:12 +0100
> Nicolas George <george@nsup.org> wrote:
>> Now I need a way to apply it; apparently I need some way to boot
>> Windows. I hope I will not need to overwrite the complete drive with the
>> backup image I made.
> There is a program named 'flashrom' in Debian, but I don't know how
> reliable is it as BIOS flash is quite a dangerous operation. I decided
> to risk several years ago on an AMD system with MSI motherboard and was
> successful.
>
> Regards,
> Marko
It won't help in this case, because BIOS update from Acer is actually a 
package without plain binary ROM file.
'flashrom' could be used to backup original BIOS to file, before 
updating, but I doubt it is necessary.

-- 
With kindest regards, Alexander.

⢀⣴⠾⠻⢶⣦⠀
⣾⠁⢠⠒⠀⣿⡁ Debian - The universal operating system
⢿⡄⠘⠷⠚⠋⠀ https://www.debian.org
⠈⠳⣄⠀⠀⠀⠀

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#231510

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On 08.02.2021 17:26, Nicolas George wrote:
> Alexander V. Makartsev (12021-02-08):
>> 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
> Thanks, I never think of BIOS updates. This is the one for my exact
> model, and the title looks very promising.
This is usually first procedure I do for new hardware, because products 
nowadays are rushed to the market, so internal firmware for all kinds of 
devices is often poorly tested.

> Now I need a way to apply it; apparently I need some way to boot
> Windows. I hope I will not need to overwrite the complete drive with the
> backup image I made.
>
> Regards,
>
I think fastest and easiest way is to swap current disk with another (if 
it is available of course) and install Evaluation version of Windows 10 
Enterprise. [1]
This version doesn't require a product key or activation.
Some BIOS\Firmware updates could be installed from WinPE (or WinRE) 
environment, but I doubt this one from Acer could run on WinPE, because 
it is bundled with a driver, along side with a few executable binaries 
and shared DLLs.

Another viable option, because you've got a drive image of preinstalled 
Windows 10, is to save an image of current drive and restore from the 
image with preinstalled Windows OS.
And after BIOS is updated, restore from the saved image with latest data.
Clunky solutions, but I think there are no other options, because 
apparently Acer hates GNU-Linux. :\


[1] 
https://www.microsoft.com/en-us/evalcenter/evaluate-windows-10-enterprise

-- 
With kindest regards, Alexander.

⢀⣴⠾⠻⢶⣦⠀
⣾⠁⢠⠒⠀⣿⡁ Debian - The universal operating system
⢿⡄⠘⠷⠚⠋⠀ https://www.debian.org
⠈⠳⣄⠀⠀⠀⠀

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#231519

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Alexander V. Makartsev (12021-02-08):
> I think fastest and easiest way is to swap current disk with another (if it
> is available of course) and install Evaluation version of Windows 10
> Enterprise. [1]

Unfortunately, switching the disk is not an option.

Booting from a SD card could work, but I do not know windows enough to
test.

> Another viable option, because you've got a drive image of preinstalled
> Windows 10, is to save an image of current drive and restore from the image
> with preinstalled Windows OS.

This I can do, but I would like to avoid if possible, because of the
time and wear.

Regards,

-- 
  Nicolas George

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#231521 — [SOLVED] BIOS upgrade on an Acer laptop (was: Battery drain with poweroff)

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Nicolas George (12021-02-08):
> Thanks, I never think of BIOS updates. This is the one for my exact
> model, and the title looks very promising.
> 
> Now I need a way to apply it; apparently I need some way to boot
> Windows. I hope I will not need to overwrite the complete drive with the
> backup image I made.

It was actually quite easy.

Acer provides a file BIOS_Acer_1.09_A_A.zip that contains a file
BIOS_V1.09.exe.

This exe is partially a standard self-extracting archive, 7z knows it,
it contains, among other things, a file BiosEc.fd.

Put the BiosEc.fd file on a USB mass storage, reboot to the setup, and
upgrade from there.

I hope it will help other people too.

Now I need to see if it fixed my problem of battery drain; I have good
hope. Thanks to everybody who pitched for help.

-- 
  Nicolas George

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#231587 — Re: [SOLVED] BIOS upgrade on an Acer laptop (was: Battery drain with poweroff)

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Nicolas George (12021-02-08):
> Now I need to see if it fixed my problem of battery drain; I have good
> hope. Thanks to everybody who pitched for help.

I confirm, after 36 hours of power down, the battery had not visibly
changed.

Regards,

-- 
  Nicolas George

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