Screen Saver Keeps Freezing

Hello Somebody,
Posted question previously but no reply. Will try again here.
Having problems with my screensaver--freezing. Have tried keyboard commands, etc. etc. Unplug--replug peripherals. Have to tab power button to restart.
In addition, (hopefully I won't have to create a brand new question, if so please let me know) but here goes: would like to know why my computer does not restart automatically even though I've always had within Energy Saver Pane--little checkbox checked to have computer restart automatically if freezes. I'll wait several minutes but it never does it for me.
Help would be wholeheartedly appreciated.

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I have a MacBook Pro running mac osx 10.8, Screen saver keeps reverting to national geographic photos.

I have a MacBook Pro running mac osx 10.8, Screen saver keeps reverting to national geographic photos.

Just found this solution on another website. I tried it and it works. No more polar bears and Savannahs!
Apparently if you put it in the folder called "Desktop Pictures" it will work.
So, copy whatever folder of pictures you would like to use as your screensaver and then go to:
Macintosh HD>Library > Desktop Pictures
Paste your folder into this folder called "Desktop Pictures".
You may have to enter the administrator code (the password you use to open your mac usually).
Then, go back to System Preferences, go to Desktop and Screensaver, click on the Screensaver tab on the top, go to the drop down menu beside "Source" (under the picture) and click on "Choose Folder". Navigate to the Macintosh HD>Library>Desktop Pictures and then click on the folder you just pasted in there. Click "Choose" and you're all set.

Since I upgraded to Yosemite my screen saver keeps reverting to the default pictures

Since I upgraded to Yosemite my screen saver keeps reverting to the default pictures.

Back up all data. Quit System Preferences if it's running.
Triple-click anywhere in the line below on this page to select it, then copy the text to the Clipboard by pressing the key combination command-C:
~/Library/Preferences/ByHost
In the Finder, select
Go ▹ Go to Folder...
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Log out or restart the computer. Test. If the problem is resolved, empty the Trash and recreate your settings in the Screen Saver tab.

Screen Saver keeps defaulting to National Geographic no matter what I set it to.

I have repeatedly set my screen saver preference to Photo Library, but the computer keeps resetting it to National Geographic. I have tried setting the screen saver to other settings, such as Aerial or Cosmos, just to see what happens, and it always goes back to National Geographic.
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I am starting to hate National Geographic.

Issue for many. Look through this forum for the discussions.

MacBook Pro screen saver keeps going back to default settings

I use the Vintage Prints screen saver and always change the folder of photos to the most recent folder of photos I have taken. (I am an avid photographer and take lots of pictures.) Periodically the screensaver reverts back to the default settings: National Geographic photos, not shuffling the slide order. This has happened multiple times. Why won't it keep my settings?

Well try upgrading the firmware of the router & keep on holding tightly the reset button in such a way that power light is blinking on the router & then do a complete network power cycle i.e., unplug the power cables from the modem & from the router & then plug in the power cable to the modem first once all the lights are solid green you could plug in the power cable to the router & check out it will definately work!!
Open the setup page of router using 192.168.1.1 then put in the password as admin...all you need to do is do the wireless settings such as Radio Band Frequency to Standard 20 MHZ frequency,channel to 11.
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No, the actual screen saver comes on (flurry). I do have the energy preference set to turn the screen off after 30 minutes. This works properly. The screen saver comes on after about 15 minutes, then the screen goes black after about 30 minutes. I have the screen saver set to Never come on though.

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I have a set of pics that I use as screen saver. But every once in a while it changes the screen saver pics to the National Geographic pics that came with the iMac. Why is that happening and should I be concerned.? I switch it back, and afyter a while, it goes back.

Back up all data. Quit System Preferences if it's running.
Triple-click anywhere in the line below on this page to select it, then copy the text to the Clipboard by pressing the key combination command-C:
~/Library/Preferences/ByHost
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How can I have iPhotos permanently as my screen saver when it randomly reverts to National Geographic?

Screen Saver changes on it’s own
Screen Saver changes on it’s own (2)
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I recently went on vacation and downloaded some pictures to use as my screen saver. But everytime I go into Prefrences to choose a picture to be used as my screen saver, my computer freezes on me. Does anybody know how I can resolve this problem?

Ces:
A drive that's too full can cause all sorts of problems, but I doubt that freeing up space will, in itself, resolve it. Let's hope I'm wrong! We'll soon see, once you free up some space on your startup volume. If this is the only abberration you're experiencing with the operating system, I'd go ahead and resolve your drive space issue first, keeping this issue open for some suggestions from the Members.
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Gary

Screen Saver Keeps Freezing

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