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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...
  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...