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Identifying power adapters for Apple Cinema Display (20-inch DVI), Apple Cinema HD Display (23-inch DVI), and Apple Cinema HD Display (30-inch DVI)

Need to know which power adapter goes with your Apple Cinema Display (20-inch DVI), Apple Cinema HD Display (23-inch DVI), or Apple Cinema HD Display (30-inch DVI)? The following table has your answer!

If your display detects the wrong adapter connected to it, it will flash its power light in a repeating short-long-short error code. Check the table and picture below to learn which power adapter to use with the display.


As you can see in the picture above, each power adapter has the power rating, in watts, printed on it. Make sure your display is using a compatible adapter:

Apple Cinema Display (20-inch DVI) yes yes yes
Apple Cinema HD Display (23-inch DVI) no yes yes
Apple Cinema HD Display (30-inch DVI) no no yes
Last Modified: Sep 7, 2011
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  • Last Modified: Sep 7, 2011
  • Article: HT2803
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