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imac seirra

  1. Marilyn G

    how to hook up HDMI

    I have a 2017 iMac Sierra 10.12.5 and i want to connect it to my big tv using a USB-C to HDMi adapter. the Geek squad guy said just plug it in and it will automatically work. From the display menu box it doesnt show any hdmi options. When i called a person in TVs said that the newer macs can...