Hot answers tagged screen
I just found https://www.opengl.org/discussion_boards/showthread.php/157014-Compiling-with-gcc, and I modified the code to get rid of the 100% CPU hog; it seems to work fine on Ubuntu 14.04 - simply run it from a terminal, draw your rectangle area, and the program will exit, printing the coordinates in the terminal: xrectsel.c: #include<stdio.h> ...
This does not make your brightness function keys work, but is a workround. Install Brightness Controller with the following commands: sudo add-apt-repository ppa:apandada1/brightness-controller sudo apt-get update sudo apt-get install brightness-controller You can control brightness using its slider.
Under System Settings, go to Power. From there you can untick 'Dim screen to save power'. This will prevent your screen from dimming when you're not using it.
I faced the same problem on my laptop lenovo z500 ideapad after searching i found this solution : 1. open terminal 2. sudo gedit /etc/default/grub 3. append "acpi_backlight=vendor" to GRUB_CMDLINE_LINUX_DEFAULT 4. GRUB_CMDLINE_LINUX_DEFAULT="quiet splash acpi_backlight=vendor" 5. save and close gedit 6. sudo update-grub 7. restart if nothing ...
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