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Helpful answers
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Dec 24, 2014 1:31 PM in response to mohamed galal 222by lllaass,Which one is not working? Does it say No Signal?
If yo disconnect one do the other 2 work?
It should work. Apple says:
- One 4K Ultra HD TV or 4K display using HDMI and four Apple Thunderbolt Displays (27-inch), Apple LED Cinema Displays (27-inch), or third-party Mini DisplayPort displays.
Mac Pro (Late 2013): Using multiple displays - Apple Support
Try resetting the SMC and PRAM
Intel-based Macs: Resetting the System Management Controller (SMC)
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Dec 24, 2014 3:22 PM in response to lllaassby mohamed galal 222,If yo disconnect one do the other 2 work?
yesi connected the three of them 2 montior works one no signal
the first two connected they work and the third not
what can i do