How can I adjust additional cinema display screen's brightness?

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                          I have an iMac27 run Lion, now I buy a cinema display 27, but at display setting only main screen have brightness adjust controller. And use keyboard to adjust screen brightness also only change main screen.

Asked by Tinyfool (261 rep)

Dec 10, 2011, 08:55 AM
Last activity: Dec 22, 2021, 04:36 PM

How can I adjust additional cinema display screen's brightness?

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