Dual Thunderbolt Displays on El Capitan - works only on one

  • F.lux looks very cool. It’s working fine on one monitor and not at all on the other.

    The machine is a Mac Pro (late 2013) running El Capitan. 6 CPU, dual GPU (AMD FirePro D500).

    The two displays are Apple Thunderbolts.

    Is this a known issue?

    Happy to be a debug target/guinea pig.

Log in to reply