Sorry about the lateness, school just started ad I'm kinda busy now. I
did what you said and it was working if I used high numbers like 200.
Also it is booting with this
acpi_osi=Linux acpi_backlight=vendor
because that's the only way I've made the light go down.
On 08/25/2013 06:40 PM,
Ok, now there was a change. In *acer-wmi*, I put:
root@Dayman:/home/maxo# cd /sys/class/backlight/
root@Dayman:/sys/class/backlight# cd /sys/class/backlight/acer-wmi
root@Dayman:/sys/class/backlight/acer-wmi# cat max_brightness
15
root@Dayman:/sys/class/backlight/acer-wmi# 10
10: command not
When I'd do a fresh install starting with 12.04 (that's when I got the
laptop I'm using now) the backlight wouldn't work but it was just a
simple solution by changing the GRUB line to
GRUB_CMDLINE_LINUX_DEFAULT=quiet splash acpi_backlight=vendor. So when
the time came to update to 12.10 it
Hello, I filled a buf report on Launchpad about a backlight issue (
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1173961 ). ONe of
the people there suggested to file an upstream bug report and the first
step was to email the maintainer. I don't know what to say since I'm
still sort of
It doesn't really say what to say just who to send it to. Which is why I
included this page. It only said to CC this page so emails can appear
here.
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I thought that was for the second step... Ok then, sending sending it
right now.
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https://bugs.launchpad.net/bugs/1173961
Title:
[Gateway NV55C] Two backlight interfaces that wont
[Gateway NV55C] Two backlight interfaces that wont adjust backlight.
Full Description:
I couldn't get the backlight to work after I upgraded to 13.04.
WORKAROUND: The only grub lines that seem to work are these:
GRUB_CMDLINE_LINUX=acpi_osi=Linux acpi_backlight=vendor
GRUB_CMDLINE_LINUX=acpi_osi=
I got a failure saying
The error that the other server returned was: 550 5.7.1 Content-Policy reject
msg: The message contains HTML subpart, therefore we consider it SPAM or
Outlook Virus. TEXT/PLAIN is accepted.! BF:H 0; S1752586Ab3HCWEZ
Is there a way around it? I just copy and pasted from
[Gateway NV55C] Two backlight interfaces that wont adjust backlight.
Full Description:
I couldn't get the backlight to work after I upgraded to 13.04.
WORKAROUND: The only grub lines that seem to work are these:
GRUB_CMDLINE_LINUX=acpi_osi=Linux acpi_backlight=vendor
GRUB_CMDLINE_LINUX=acpi_osi=
I didn't get an immediate failure and it's been ten minutes so I think
we're good.
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https://bugs.launchpad.net/bugs/1173961
Title:
[Gateway NV55C] Two backlight interfaces that wont
** Tags removed: kernel-bug-exists-upstream-v3.9 needs-upstream-testing
** Tags added: kernel-bug-exists-upstream
kernel-bug-exists-upstream-3.11.0-999-generic
** Changed in: linux (Ubuntu)
Status: Incomplete = Confirmed
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So, I was able to install the kernel version 3.11.0-999-generic. Once I
rebooted, there was no difference. I changed the GRUB to
GRUB_CMDLINE_LINUX_DEFAULT=quiet splash acpi_backlight=vendor AND
GRUB_CMDLINE_LINUX_DEFAULT=quiet splash acpi_osi='!Windows 2012 AND
OK, so I was able to update my BIOS by installing Windows again.
Rebooted into Ubuntu and nothing happened. Nothing's changed I got this
from the terminal
maxo@Dayman:~$ sudo dmidecode -s bios-version sudo dmidecode -s
bios-release-date
[sudo] password for maxo:
V1.30
08/13/2012
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You
Christopher, I don't know how to update the BIOS on a full Ubuntu
computer and Ubuntu forums are still down. Do you by anychance know how
to do it? It came in a zip file.
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I also have it the way @KyleWhittington has it. But I'm only alowed to
go about half way on dimness.
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https://bugs.launchpad.net/bugs/1173961
Title:
Two backlight interfaces that wont
** Tags added: kernel-bug-exists-upstream
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https://bugs.launchpad.net/bugs/1173961
Title:
Two backlight interfaces that wont adjusst backlight.
To manage notifications about this bug
** Changed in: linux (Ubuntu)
Status: Incomplete = Confirmed
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https://bugs.launchpad.net/bugs/1173961
Title:
Two backlight interfaces that wont adjusst backlight.
To manage
Public bug reported:
I couldn't get the backlight to work after I upgraded to 13.04. I tried
changing the grub parameters, and after several trys, nothing. I was
asked to run grep . /sys/class/backlight/*/* and got the results of:
maxo@Dayman:~$ grep . /sys/class/backlight/*/*
The option to enable it would be great. I'm so tired of missing the
stupid minimize button and exiting my windows. A one click to minimize
on the launcher is what we need and it makes total sense!
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