That does not make the brightness keys work, unfortunately.
Using those causes the keys to be recognized by the system, and the
popup showing the brightness level will come up and indicate that the
brightness is being changed, but the actual screen brightness doesn't
get changed.
Using those
Since I forgot to add this before posting, I should specify that I made
sure to test those parameters with the mainline 4.9 kernel, and not just
the standard Ubuntu one.
Both gave the same results.
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Matthew Brooks, to clarify, does using both of the following kernel parameters
provide a WORKAROUND:
acpi_os_name=Linux acpi_osi=
** Changed in: linux (Ubuntu)
Status: Confirmed => Incomplete
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Sorry about that, I thought I was already on 506 for some reason.
I updated to 506, and tested with the 4.9 kernel, and the issue still
persists.
The output from the commands was:
X200MA.506
04/15/2015
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
** Tags removed:
Matthew Brooks, as per
https://www.asus.com/Notebooks/X200MA/HelpDesk_Download/ an update to
your computer's buggy, insecure, and outdated BIOS is available (506).
When you update to this following
https://help.ubuntu.com/community/BIOSUpdate how does this improve the
situation?
For more on BIOS
** Tags added: kernel-bug-exists-upstream kernel-bug-exists-upstream-4.9
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1651629
Matthew Brooks, thank you for reporting this and helping make Ubuntu
better.
In order to allow additional upstream developers to examine the issue, at your
earliest convenience, could you please test the latest upstream kernel
available from
