

You must hold the Option key when clicking on ‘Scaled’ to reveal all possible screen resolutions for the external display(s), and if you have multiple external displays in use on a Mac, you’ll want to hold the option key when choosing “Scaled” and selecting a resolution for each connected display.įor example, here’s the default selection of “Scaled” resolutions shown on a particularly 24″ external display connected to a MacBook Pro:

Choose the resolution desired from the complete list of available screen resolutions, then close out of System Preferences as usual.Under the ‘Display’ tab, hold down the OPTION / ALT key while you press on the ‘Scaled’ button alongside Resolution to reveal all available screen resolution options for the display.

