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Chrome OS Flex on ThinkPad Edge E530

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  Chrome OS Flex on ThinkPad Edge E530 Roberto Catanuto <roberto03@gmail.com> - 2024-09-21 11:40 +0200
    Re: Chrome OS Flex on ThinkPad Edge E530 "Andrew M.A. Cater" <amacater@einval.com> - 2024-09-21 12:00 +0200
      Re: Chrome OS Flex on ThinkPad Edge E530 Roberto Catanuto <roberto03@gmail.com> - 2024-09-21 15:10 +0200
      Re: Chrome OS Flex on ThinkPad Edge E530 <tomas@tuxteam.de> - 2024-09-22 09:00 +0200
    Re: Chrome OS Flex on ThinkPad Edge E530 Charles Curley <charlescurley@charlescurley.com> - 2024-09-21 14:50 +0200
    Re: Chrome OS Flex on ThinkPad Edge E530 Max Nikulin <manikulin@gmail.com> - 2024-09-21 16:40 +0200

#273183 — Chrome OS Flex on ThinkPad Edge E530

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Hi, the truth is I use Chrome OS Flex on TP Edge E530.
Honestly, this is the output


*~$ cat /proc/version *Linux version 6.6.41-03520-gd3d77f15f842 (
cros-kernel@chromium.org) (Chromium OS 18.0_pre516547 clang version 18.0.0
(/mnt/host/source/src/third_party/llvm-project
28a8f1b901389c1e478407440f7ccf2d41c71b64), LLD 18.0.0) #1 SMP
PREEMPT_DYNAMIC Sat, 10 Aug 2024 02:57:26 +0000

Even when the good old laptop is connected to the power supply, the battery
begins discharging after about one hour.

If I also use an external HDMI monitor, the discharge begins immediately.

Do any of you have suggestions about solving this mystery ?
The charger is fine when used in another laptop.

Thank you very much in advance.
Roberto

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#273184

On Sat, Sep 21, 2024 at 11:35:25AM +0200, Roberto Catanuto wrote:
> Hi, the truth is I use Chrome OS Flex on TP Edge E530.
> Honestly, this is the output
> 
> 
> *~$ cat /proc/version *Linux version 6.6.41-03520-gd3d77f15f842 (
> cros-kernel@chromium.org) (Chromium OS 18.0_pre516547 clang version 18.0.0
> (/mnt/host/source/src/third_party/llvm-project
> 28a8f1b901389c1e478407440f7ccf2d41c71b64), LLD 18.0.0) #1 SMP
> PREEMPT_DYNAMIC Sat, 10 Aug 2024 02:57:26 +0000
> 

Hi Roberto

Strictly, this is off topic here. ChromeOS Flex is ChromeOS for 
non-Chromebooks. It's a Google product - maybe ask them.

A quick search for the ThinkPad Edge from Lenovo: the review I found was
from about 2019. It's the cheapest end of the Lenovo range. I see a range
of them available second hand online from about £99 - at this point, it
is not an expensive laptop..

If it's about five years old - it might be that the original battery has
reached the end of its life expectancy. If this is a second hand laptop, then
you don't know its previous history: if you've had it from new, it might
be time to replace the battery.

Since this is ChromeOS, this list can't really help. Install Debian and
we could perhaps advise.


> Even when the good old laptop is connected to the power supply, the battery
> begins discharging after about one hour.
> 
> If I also use an external HDMI monitor, the discharge begins immediately.
> 

Anything in logs? How are you monitoring this? It does suggest either a
dying battery or a laptop with a marginal power regulator giving low voltage.

> Do any of you have suggestions about solving this mystery ?
> The charger is fine when used in another laptop.
> 

All the very best, as ever,

Andrew Cater
(amacater@debian.org)
> Thank you very much in advance.
> Roberto

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#273192

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Thanks for your support.
I will look into those issues.
Have a great day

On Sat, Sep 21, 2024, 15:03 Andrew M.A. Cater <amacater@einval.com> wrote:

> On Sat, Sep 21, 2024 at 11:35:25AM +0200, Roberto Catanuto wrote:
> > Hi, the truth is I use Chrome OS Flex on TP Edge E530.
> > Honestly, this is the output
> >
> >
> > *~$ cat /proc/version *Linux version 6.6.41-03520-gd3d77f15f842 (
> > cros-kernel@chromium.org) (Chromium OS 18.0_pre516547 clang version
> 18.0.0
> > (/mnt/host/source/src/third_party/llvm-project
> > 28a8f1b901389c1e478407440f7ccf2d41c71b64), LLD 18.0.0) #1 SMP
> > PREEMPT_DYNAMIC Sat, 10 Aug 2024 02:57:26 +0000
> >
>
> Hi Roberto
>
> Strictly, this is off topic here. ChromeOS Flex is ChromeOS for
> non-Chromebooks. It's a Google product - maybe ask them.
>
> A quick search for the ThinkPad Edge from Lenovo: the review I found was
> from about 2019. It's the cheapest end of the Lenovo range. I see a range
> of them available second hand online from about £99 - at this point, it
> is not an expensive laptop..
>
> If it's about five years old - it might be that the original battery has
> reached the end of its life expectancy. If this is a second hand laptop,
> then
> you don't know its previous history: if you've had it from new, it might
> be time to replace the battery.
>
> Since this is ChromeOS, this list can't really help. Install Debian and
> we could perhaps advise.
>
>
> > Even when the good old laptop is connected to the power supply, the
> battery
> > begins discharging after about one hour.
> >
> > If I also use an external HDMI monitor, the discharge begins immediately.
> >
>
> Anything in logs? How are you monitoring this? It does suggest either a
> dying battery or a laptop with a marginal power regulator giving low
> voltage.
>
> > Do any of you have suggestions about solving this mystery ?
> > The charger is fine when used in another laptop.
> >
>
> All the very best, as ever,
>
> Andrew Cater
> (amacater@debian.org)
> > Thank you very much in advance.
> > Roberto
>
>

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#273203

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On Sat, Sep 21, 2024 at 09:56:17AM +0000, Andrew M.A. Cater wrote:
> On Sat, Sep 21, 2024 at 11:35:25AM +0200, Roberto Catanuto wrote:
> > Hi, the truth is I use Chrome OS Flex on TP Edge E530.
> > Honestly, this is the output

[...]

> Hi Roberto
> 
> Strictly, this is off topic here. ChromeOS Flex is ChromeOS for 
> non-Chromebooks. It's a Google product - maybe ask them.

A nice example of a multi-billion behemoth leveraging people's good
will to pick up their customer support duties.

Clever!

Cheers
-- 
t

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#273191

On Sat, 21 Sep 2024 11:35:25 +0200
Roberto Catanuto <roberto03@gmail.com> wrote:

> Even when the good old laptop is connected to the power supply, the
> battery begins discharging after about one hour.
> 
> If I also use an external HDMI monitor, the discharge begins
> immediately.
> 
> Do any of you have suggestions about solving this mystery ?
> The charger is fine when used in another laptop.

Loose power supply socket on the flaky laptop?

-- 
Does anybody read signatures any more?

https://charlescurley.com
https://charlescurley.com/blog/

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#273194

On 21/09/2024 16:35, Roberto Catanuto wrote:
> Hi, the truth is I use Chrome OS Flex on TP Edge E530.
[...]
> Even when the good old laptop is connected to the power supply, the 
> battery begins discharging after about one hour.
[...]
> Do any of you have suggestions about solving this mystery ?

If google allows it, try

     grep '' /sys/class/power_supply/*/*

to see some numbers related to the battery an perhaps to the AC power 
supply. Otherwise boot a Linux live image (e.g. from USB) and try the 
same command and a one that may present battery state in a more readable 
form:

     upower --dump

> The charger is fine when used in another laptop.

Another laptop may be power hungry in less degree. It is better to try 
another power supply with this laptop in addition.

My experience is that if AC adapter is put into a bag twice a day then 
it has to be replaced or repaired after a couple of years due to cable 
wearing. Additional resistance of about ~1 Ohm due to broken wires at a 
bending point is enough to cause issues under some CPU load. In my case 
first symptom was some noise on an external monitor connected by a VGA 
cable, so I suspected a more severe problem.

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