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Gizmotoy

macrumors 65816
Original poster
Nov 6, 2003
1,109
165
After upgrading to Yosemite, I've noticed my iMac's display remains on all night. I have my machine set to never sleep, but turn the display off using a Hot Corner setting (or after 10 minutes via Energy Preferences).

I've noticed two behaviors:
  1. When putting the display to sleep manually, any Handoff activity wakes the display. For example, if I open Safari on my iPhone, the iMac's display turns on.
  2. The display will not sleep automatically after 10 minutes as set via the Preferences pane.

Any idea what may be wrong, or how to fix it? I've tried toggling all the settings, repairing permissions, and rebooting the machine. Nothing has worked.
 
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