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Thunderbolt display update 1.2, display no longer works

Updated to Thunderbolt 1.2 firmware after endless reminders from the updater. Now power and sound works, no image at all. Already re-set NVRAM, restarted without power connected, unplugged all peripherals, etc.

MacBook Air, OS X Yosemite (10.10.3), Late 2011 MBA, 27" Thunderbolt disp

Posted on May 15, 2015 10:25 AM

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