Display Maestro 2.1.4 File
: If an "unsafe" resolution is chosen that causes the screen to go blank, the software includes a safety revert feature to return to the last known working setting.
: Manually switch bit depths, which is often required for older games to run correctly. Display Maestro 2.1.4
Display Maestro is a utility that allows Mac users to bypass standard OS restrictions to select any resolution or bit depth supported by their hardware. : If an "unsafe" resolution is chosen that
While 2.1.4 is an older release, the developer currently offers for modern operating systems (macOS 11 and later). If you specifically need 2.1.4 for a vintage Mac setup, older versions are typically maintained in the Koingo Software download archives. Display Maestro 2.1.4

