Public bug reported:
I have an HP Split 13x2 laptop with Ubuntu Mate installed.
dmesg shows "ACPI: Battery Slot [BAT0] (battery absent)".
The battery icon shows "No battery present".
...I'm only able to run on AC power.
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I have tried:
* Default and adjusted settings in BIOS.
* Live versions of Ubuntu, Lubuntu and Ubuntu Mate.
* Release 15.04 and 14.04 for all flavors above.
* Installed ACPI.
* Installed batmon.
* Installed ibam.
* Added to grub default boot line "acpi_osi=", then "acpi_osi=!Linux" then
"acpi_osi=Linux".
I have not tried recompiling the kernel, as several posts state the
recompiling didn't work for them if not on a Toshiba.
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I'd really like to get this working...the laptop is needed for work done
in areas where AC power won't always be present.
** Affects: ubuntu
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1487734
Title:
Battery Absent On HP Split 13x2 Laptop
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