ubuntu-x-swat team mailing list archive

[Martin Spacek <launchpad@xxxxxxxxxxxxx>]

Unsurprisingly, this problem remains in the latest ubuntu-x-swat nvidia
driver, 280.13. There seems to be some kind of a fairly recent problem
with nvidia backlight controls in the mactel community, with a few bugs
filed (like #764195).

A comment mentioned some success adding the mactel PPA (ppa:mactel-
support/ppa) and installing nvidia-bl-dkms:

https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-
drivers/+bug/764195/comments/11

 Thought it might be worth a shot, so I tried this on my Thinkpad W510
with Quadro FX 880M (based on GT 330M apparently), but backlight
behaviour didn't change with the nvidia blob, even after reboot.

-- 
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which is subscribed to nvidia-graphics-drivers in Ubuntu.
https://bugs.launchpad.net/bugs/562005

Title:
  Backlight controls of laptops with NVIDIA NVS and Quadro FX 880M GPUs
  no longer function while using proprietary drivers

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