Solution for problem number: #1516213 Lowering the brightness turns the monitor black in ubuntu 14.04
Step 1: Go to Terminal and type the following command. “sudo gedit /etc/default/grub” Step 2: A New window opens up with the following content. GRUB_CMDLINE_LINUX_DEFAULT=”quiet splash”. Step 3: Change the content into GRUB_CMDLINE_LINUX_DEFAULT=”quiet splash acpi_backlight=vendor”. Save the file and close the window. Step 4: Open the terminal again and type “sudo update-grub”. This will update the grub and once the computer is rebooted, the problem of adjusting the brightness will be solved. -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1516213 Title: Lowering the brightness turns the monitor black in ubuntu 14.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1516213/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
