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Q: external display won't wake up

Hi, I just connected an old iMac as a external display to my new iMac via thunderbolt cable. Keyboard and mouse are connected to the new iMac (the main iMac), however, when I put my iMac to sleep I am not able to wake up the external display, I have to disconnect the keyboard from the main iMac and connect it to the external display in order to wake it up.

Posted on Sep 15, 2016 12:27 AM

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Q: external display won't wake up

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