HDMI Splitter El Capitan - Sierra

I changed my MacMini (end of 2014) to El Capitan in Sierra now. The MacMini is connected to my BENQ via a HDMI splitter. After changing the operating system, the monitor not connect standby while starting the MacMini. Connect the Mac directly to the monitor does not cause this problem.

Someone at - it had the same problem a solution for this? Thank you.

-Try to reset memory NVRAM/PRAM and SMC

MacIntel: Reset of the controller (SMC) system management

https://support.Apple.com/en-us/HT201295

Subject of memory NVRAM and PRAM

https://support.Apple.com/en-us/HT204063

Tags: Mac

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