What does 'Not Optimum Mode' mean?

Last Update Date : Mar 22. 2018

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When you see Not Optimum Mode or Video Mode Not Supported on your monitor, it means that you have set your monitor to a screen resolution and refresh rate that it does not support.

 

What to do?


◾ You should reset the monitor to its optimum resolution and refresh rate.


◾ The optimum refresh rate for all Samsung LCD monitors is 60 Hz, regardless of resolution.


◾ The optimum resolutions for LCD monitors vary by size. The chart below lists the monitors by size and shows their optimum resolutions.

 

optimum mode 

 

◾ Optimum refresh rates and resolutions for CRT monitors vary by model. You may refer to the user’s manual for this information.

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