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Screen Saver on 10.8.2 Fails to Activate

I upgraded four Macs to 10.8.2 (iMac, 2 MacBook Pros and Mac mini) and the Mac mini is the only one where the screen saver stopped working. Too bad, because this one is our media center, hooked up to a projector and a small 12" display. The 12" display stays on, displaying the photo montage screen saver (Vintage Photos), and works really nicely as a photo frame.


I've tried a bunch of things, including repairing permissions, restarting, changing screen savers, and it started working once, but then it stops working again.


Seems like theres a bug in the timer that tracks mouse inactivity or something, as the screen saver fails to activate.


Any thoughts?

Posted on Sep 22, 2012 5:12 AM

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165 replies

Nov 8, 2012 1:28 PM in response to Ronoc Llerraf

Thnk you for this thread. I am still having this issue as well. I upgraded to mountain lion on my imac and now the only way to get the photo screen saver activated is a hot corner. I have not tried any of the proposed solutions, but it sounds like they don't work any way. Just to share my setup, this computer is basically running my house all the time. 2 year old imac, apple TV, 3 airports, Denon airplay reciever, time capsule, 2 iphones and one ipad. Something is on wifi or airplay almost all of the time, but until recently, my screensaver worked. As it appears I have in common with everyone else, the problem started with mountain lion. Any real solution would be very appreciated.

Dec 17, 2012 4:41 PM in response to Mark Jenkinson

I too am having this same issue. It started about a week ago. I have tried everything that everyone else has. With no resolution to the problem. The screensaver does work using the hot corners. I have used pc's and even Linux for years and have never run into this problem before. I got my new mac mini in October when the new ones came out. The screensaver worked as it is supposed to until about a week ago. There is nothing running that has not been running from the time I set my system up. I have 10.8.2 just as the rest of you do.

Dec 17, 2012 4:48 PM in response to gungholady

gungholady, have you just installed 10.8.2 or have you had it for while and the problem only just started?


I check every day - just in case there is an upgrade available.


I sometimes forget to turn on the screensaver after use (hot corners) and my mac is left all day with the image just burning into the screen. It is getting annoying now - time for a fix.


I suppose it is time for yet another feedback email, boring.

Screen Saver on 10.8.2 Fails to Activate

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