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> ...
Personally, I use terminal commands xgamma for contrast and occasionally xrandr for brightness (though mostly I use the native brightness setting - more on that later ). To change contrast with xgamma , do xgamma -gamma $1 Where $1 is a decimal value. It can be 1.5 or .5 , but the values above those values can be harsh on the eyes, so play with the ...
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.
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