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Note:
If the native resolution of your display device is unavailable when the image is duplicated
across the computer and the display device, refer to your computer manual for brand-specific
instructions or software that enables the image to be displayed on the external display device
only, then select the native resolution of your display device as specified in the previous step.
Click on “Apply” to apply the new settings
If the new settings are successfully applied, Click on “Ok” to finish