I suppose this method is working for most of the people. But for me it doesn't seem to work. I tried to everything as you said. Maybe because i am using an external keyboard to my np150. The only way i can change the brightness is the slider inside the power options. I also tried to install the easy display manager version 3.0.3.11, it got installed but never run.
Divvy lets you "divvy up" your screen real estate into several easy-to-use areas. You can use the integrated screen grid to create areas that suit your work style, then assign keyboard shortcuts to move your app windows between them quickly.
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