Every one facing and asking for help with brightness problem in Ubuntu 12.04, this problem exist in some HP Pavilion, Acer and Dell series and maybe for some others, some people trying the xrand solution that just decreases the Contrast which had no effect on the power consumption !
This solution will solve this problem permanently, just follow the these steps
Step 1: Open the terminal and write the following command
Step 2: Find this line in the new opened file
Step 3: Replace the last line with the following one
Step 4: Save the changes and close the editor
Step 5: Update GRUB as follow
Step 6: reboot the system and enjoy !
This solution will solve this problem permanently, just follow the these steps
Step 1: Open the terminal and write the following command
sudo gedit /etc/default/grub
Step 2: Find this line in the new opened file
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"
Step 3: Replace the last line with the following one
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash acpi_backlight=vendor"
Step 4: Save the changes and close the editor
Step 5: Update GRUB as follow
sudo update-grup
Step 6: reboot the system and enjoy !
No comments:
Post a Comment