How to reset factory settings of my monitor?

Hey guyz! I have an HCL HCM780 M monitor. It is not showing colors as they are. Black appears a little foggy and white a little dull. I have set the RB color to 55 and 55 respectively. Plz Help Me.
 
Hey guyz! I have an HCL HCM780 M monitor. It is not showing colors as they are. Black appears a little foggy and white a little dull. I have set the RB color to 55 and 55 respectively. Plz Help Me.

Sir, just set your monitor to its default settings. locate the monitor menu button at the front, below or side or your monitor.
 
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