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.
![90W](https://cdsassets.apple.com/live/7WUAS350/images/imac/power_adapters.png)
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:
I have this display... | ...which adapters can I use? | ||
---|---|---|---|
65 W | 90 W | 150 W | |
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 |