Set Macintosh Screen Resolution for Projector

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Click on the "Apple" menu, and select "System Preferences…"

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Select "Displays" from the Hardware options.

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(1) Be sure to select "Display" from the top menu options.
(2) FYI, you can disable screen "Mirroring" with this option.

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800X600 is the default. Far too small.

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(1) Select 1024×768 (70Hz, if given the option) to set the display to a more comfortable resolution.
If you have screen mirroring activated, this may distort the display on your main computer, but will look correct on the SmartBoard.
***PLEASE NOTE*** After making this change, you WILL have to re-calibrate your SmartBoard. This setting should be retained whenever you connect your projector, so you should not have to change this setting again.