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Mac mini 2018 Mac OS 10.14.6 Supplemental Update 2 no longer supports 2 displays (Monitors).

MARSPATH
MARSPATH asked
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Mac mini 2018 Mac OS 10.14.6 Supplemental Update 2 no longer supports 2 displays (Monitors).

At Startup, System will not display screen on both monitors, swapping displays or using single display in each of 2 does not resolve issue - both monitors (1 at a time) work OK using either of 2 Thunderbolt connectors.
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Retired EE/Computers/IT
Commented:
Problem disappeared after couple of re-start (2 days) procedures ???