*** This bug is a duplicate of bug 540112 ***
https://bugs.launchpad.net/bugs/540112
** This bug has been marked a duplicate of bug 540112
Can not change LCD brightness on Lenovo Y450 laptop
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jaunty, not able to change lcd brightness for lenovo ideapad Y450 laptop with
nvidia driver
Hi Jaya,
If you could also please test the latest upstream kernel available that
would be great. It will allow additional upstream developers to examine
the issue. Refer to https://wiki.ubuntu.com/KernelMainlineBuilds .
Once you've tested the upstream kernel, please remove the 'needs-
This affects me too in Karmic. I have backlight control in the entire
boot process right up until the nvidia driver starts up, and then
afterwards only in a virtual terminal (Control + Alt + F1). Any
progress on this?
** Package changed: ubuntu = linux (Ubuntu)
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jaunty, not able to change
** Attachment added: BootDmesg.txt
http://launchpadlibrarian.net/28600406/BootDmesg.txt
** Attachment added: CurrentDmesg.txt
http://launchpadlibrarian.net/28600407/CurrentDmesg.txt
** Attachment added: Dependencies.txt
http://launchpadlibrarian.net/28600409/Dependencies.txt
**
