What is the best way to install the EnableBrightnessControl fix if
xorg.conf doesn't exist (a common situation now)? I tried creating
xorg.conf as
Section "Device"
Identifier "Configured Video Device"
Driver "fbdev"
Option "RegistryDwords" "EnableBrightnessC
This can be resolved by disabling VT-D in the BIOS too as I just found out.
http://www.nvnews.net/vbulletin/showpost.php?p=2259741&postcount=46
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Can not change LCD brightness on Lenovo Y450 laptop
https://bugs.launchpad.net/bugs/540112
You received this bug notification because you are a member
No worries, it's not something we can just globally enable for everyone
so tricks like that are often needed with the proprietary drivers.
** Changed in: nvidia-graphics-drivers (Ubuntu)
Status: Incomplete => Fix Released
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Can not change LCD brightness on Lenovo Y450 laptop
https://bugs
Robert, that completely fixed it! I had been googling off and on for
what seems like 6 months without a solution, and, bam, that gives me
backlight control as well as automatic dimming based on activity. Thank
you so much!
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Can not change LCD brightness on Lenovo Y450 laptop
https://bugs.laun
Have you tried adding
Option "RegistryDwords" "EnableBrightnessControl=1"
to your /etc/X11/xorg.conf at the bottom of the device section?
** Changed in: nvidia-graphics-drivers (Ubuntu)
Status: New => Incomplete
** Changed in: nvidia-graphics-drivers (Ubuntu)
Importance: Undecided =>
** Package changed: xorg (Ubuntu) => nvidia-graphics-drivers (Ubuntu)
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Can not change LCD brightness on Lenovo Y450 laptop
https://bugs.launchpad.net/bugs/540112
You received this bug notification because you are a member of Ubuntu-X,
which is subscribed to nvidia-graphics-drivers in ubuntu.
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** Attachment added: "BootDmesg.txt"
http://launchpadlibrarian.net/41106712/BootDmesg.txt
** Attachment added: "CurrentDmesg.txt"
http://launchpadlibrarian.net/41106713/CurrentDmesg.txt
** Attachment added: "Dependencies.txt"
http://launchpadlibrarian.net/41106714/Dependencies.txt
** A
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