Brightness values range from 0 – 100 and the current value selected will appear above the slider positon as you adjust the value Drag the Adjust Brightness Level slider to the required setting.Right click on the Desktop and select Display Settings.Conversely, in a dark environment, lowering the brightness helps reduce eye strain. In environments with lots of light, for example, in a well-lit space, increasing the brightness makes it easier to read the screen.
This article provides information and step-by-step instructions on how to adjust the Brightness, Resolution and Refresh Rate of a display connected to an AMD Graphics Card.