What to Check for on 27" Thunderbolt Display with no Backlight
Greetings folk, here is another one for us today:
I got this 27” Thunderbolt Display for less than $50 with no backlight.
The LCD is up and running with the flashlight test but here is the interesting part that makes this one unique: I don’t get any backlight upon connecting the thunderbolt cable, not even a flash.
Is it possible that this is still the same issue that is fixed by bridging some 3.3v connection on the LED driver IC?
I can use the speakers, ethernet, and webcam, so it’s not an issue with the cable and there is no visible damage to the logic board.
I am looking for a quick list of things to check, thanks for any and all comments!
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