add extra monitor HELP! Imac 2014

what is the problem with this download? JUD 380 J5 cant work with this Elcapitan. SO I am trying to do High Sierra? will this work to add a monitor?

iMac 21.5″, OS X 10.11

Posted on Sep 22, 2020 2:25 PM

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add extra monitor HELP! Imac 2014

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