2
votes
2answers
2k views

13.10 Can't Adjust Dell Laptop Backlight

I have a Dell Studio 1558. When I originally installed 13.04 on it, I had to modify my /etc/default/grub with the following: GRUB_CMDLINE_LINUX_DEFAULT="acpi_backlight=vendor dell_laptop.backlight=0 ...
0
votes
0answers
186 views

How to enable backlit keyboard on a Dell Latitude M4500?

Basically the question in in the title: how can I enable the backlight keyboard on a Dell Latitude M4500?
4
votes
2answers
3k views

How do I deactivate dynamic contrast on a Dell XPS?

I am experiencing annoying automatic backlight brightness changes under ubuntu 12.04 LTS on my Dell XPS ultrabook. It seems to be connected to the amount of white pixels on the screen (switching ...