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imac thunderbolt firmware

  1. wkwdp87

    Thunderbolt 2 Port Not Reading Harddrives

    Hi, I've got an issue with both the thunderbolt2 ports on my iMac (Retina 5K, 27-inch, Late 2015 Running Catalina. (Model 17,1) I have an OWC Thunderbolt 2 hard drive dock that isn't connecting to the iMac over thunderbolt 2. It can connect via USB3.0, but it is much slower and isn't able to...
    • wkwdp87
    • Thread
    • display port imac imac 2015 imac thunderbolt firmware thunderbolt 2 thunderbolt 2 dock
    • Replies: 7
    • Forum: iMac
  2. mpainesyd

    Thunderbolt firmware update has frozen iMac

    I just tried installing an Apple software update for the Thunderbolt port and it has frozen my 2015 iMac while restarting (wheel has been spinning for more than 10 minutes now). I don't like to force a shutdown during a firmware update but might have to do it in this case. My advice - don't...
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