Apple ADC Displays: Will Not Turn Off Independent of Computer

Symptom

If the option "Pressing power button puts computer to sleep" is enabled in the Energy Saver control panel, touching the display's touch switch will put the computer and monitor to sleep.

If the option "Pressing power button puts computer to sleep" is not enabled in the Energy Saver control panel, touching the display's touch switch will not put the computer and monitor to sleep.


Solution

It is not possible to turn off the display and leave the computer on. If you wish to reduce the energy use of the display, use the Energy Saver control panel to adjust the time before the display goes to sleep.

To allow the display to sleep separately from the computer, follow these steps:

1. Open the Energy Saver control panel.
2. Click Sleep Setup.
3. Click the checkbox to turn on "Separate timing for display sleep."
4. Drag the slider to select the time for display sleep.
5. Close the Energy Saver control panel.

For more information on the Touch Switch, please see article 58671: "Apple Studio Display LCD (ADC): Information on Touch Switch"