I have a Lenovo Z50-75 which supports battery charge limiting. Before I installed Linux, I had my battery set in conservation mode. I don't know if that had any effect on the matter but my battery does not get a full capacity charge, which is great for battery life conservation, but I wonder if installing Linux by formatting after setting up battery conservation in Windows had any effect on this.
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1It probably had an effect because the Windows tool probably tweaked parameters directly in the battery.– user353477Commented Jul 15, 2019 at 16:38
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if so it just solved the problem of like thousands of owners of lenovo laptops using linux.– da da daCommented Jul 15, 2019 at 16:39
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Suggest you post a detailed answer on how to alter the settings for Lenovo laptop users including where to get the software tool and how to use it.– K7AAYCommented Jul 23, 2019 at 15:38
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2 Answers
Conservation Mode of your Lenovo Z50-75 is altered by a Lenovo system tool, as described here and here. I do not see any System Tools from Lenovo for Linux, so either use the Windows tool in Windows, or contact Lenovo Z-series Laptop Support for a solution.
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my intention was to provide an answer for thousands of people in need of this solution :)– da da daCommented Jul 20, 2019 at 18:01
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Suggest you post a detailed answer on how to alter the settings for Lenovo laptop users including where to get the software tool and how to use it.– K7AAYCommented Jul 23, 2019 at 15:38
The Archlinux wiki pages suggest the following method, which works on my Lenovo Ideapad.
This keeps my battery charged up to approximately 60%:
# echo 1 >/sys/bus/platform/drivers/ideapad_acpi/VPC2004:00/conservation_mode
This disables the battery conservation setting, allowing the battery to charge back up to 100%:
# echo 0 >/sys/bus/platform/drivers/ideapad_acpi/VPC2004:00/conservation_mode
I would search the Archlinux wiki for similar information regarding your specific laptop. And you could just boot up any modern live Linux distro from a USB drive and, without installing, try to adjust the settings. Just remember to set the desired mode before exiting the live environment, because this setting does survive a reboot. Not sure if Windows would then clobber the setting?
