Since this file is owned by the system you will be asked to authenticate but it should save.
You will see the default value of the "mainDuration" entry as 3, but can change it followed by saving the file. In this file, locate the key entry called "JustASlide" and then locate the child entry below this called "mainDuration." This file contains thousands of lines, so you can best locate these lines by performing a search for "JustASlide" and then scroll down about 20 lines to see the "mainDuration" entry. System > Library > PrivateFrameworks > amework > Versions > A > Resources > Content Then navigate to the following directory and open the file called "ist": With the text editor downloaded, launch it and then choose "Open" from the File menu. This will allow you to edit system files without needing to change permissions.
Changing screen saver mac free#
While a plist editor is convenient, a quick solution is to use a text editor that supports authentication such as the free TextWrangler.
The first thing you will need for this is a program that can edit property lists. Look for these entries in TextWrangler (note they are around lines 703 to 724), and then change the value (in seconds) to what you want to try (click for larger view). The default value for this is 3 seconds, but some people may wish to have photos displayed for longer or shorter times than that.Įven though these settings are not available in Apple's system preferences, you can manually alter the settings files for the screensavers to adjust them. These options are fun to use however, they are quite limited in the settings they offer, as there are practically no options to customize them.Īt most, you can set the screensaver to shuffle the slide order and choose a source for the photos, but you cannot change the duration of the transitions or perhaps, more importantly for some people, the time in which the screensaver displays a specific photo before switching. As part of OS X, Apple provides a number of styled screensaver options for displaying photographs and images you have stored in your iTunes or Aperture libraries when you are not at your computer.
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