HT203758: Thunderbolt Firmware Update 1.2: Keeps reappearing and Thunderbolt ports and Target Display Mode may not work

Learn about Thunderbolt Firmware Update 1.2: Keeps reappearing and Thunderbolt ports and Target Display Mode may not work
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Q: iMac needs a firmware update to make Thunderbolt work please

Hi,

 

My iMac ( Late 2013) requires firmware update to make the Thunderbolt screen work.

I checked and there is currently no firmware installed on my computer for Thunderbolt

 

Thanks

iMac, OS X Mavericks (10.9.1)

Posted on Jul 15, 2015 6:19 AM

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