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ChristianP · 07-26-2012, 08:59 AM

This is a known issue with MBP with nVidia 330 or nVidia 650 (MBP 6,1, 6,2 or 9,2). Let us know if you have a different machine.
This bug seems to affect upgraded systems from a previous OSX version and not systems installed from scratch.
A possible workaround is to to remove the screen-saver settings file. The file should be located in the ~/Library/Preferences/ByHosts/ folder and named something like com.apple.screensaver.xxxx.plist. Set your screen saver preferences once again and check if this solve the issue. Some users reported that the they still see the issue even after trying this workaround.

07-26-2012, 08:59 AM	#12
ChristianP Senior Member Join Date: Apr 2011 Posts: 280	This is a known issue with MBP with nVidia 330 or nVidia 650 (MBP 6,1, 6,2 or 9,2). Let us know if you have a different machine. This bug seems to affect upgraded systems from a previous OSX version and not systems installed from scratch. A possible workaround is to to remove the screen-saver settings file. The file should be located in the ~/Library/Preferences/ByHosts/ folder and named something like com.apple.screensaver.xxxx.plist. Set your screen saver preferences once again and check if this solve the issue. Some users reported that the they still see the issue even after trying this workaround.