Quote Originally Posted by onlyOknows
... But after installation I couldn't find the file NVIDIA-Settings.desktop in the location you said. (even I did "locate")
Please, follow my instructions. Of course the file doesn't exists but you have to create it by using the commands I told you to use.

Quote Originally Posted by onlyOknows
Section "Monitor"
Identifier "PHILIPS 107B"
Option "DPMS"
HorizSync 30-86
VertRefresh 50-160
EndSection
Find the specs of your monitor (you can use Google) and find the Horizontal and the Vertical refresh of your monitor then put them instead of the default values

HorizSync 30-86
VertRefresh 50-160


Then save the file.

If you do this using the graphic interface log out and then login (it should restart Xorg)