Power Manager full review

The Energy Saver pane of System Preferences offers a number of features for conserving energy; for example, sleep mode and scheduled startups and shutdowns. Mac OS X also gives you the option to automatically log out of an account after a period of inactivity. But for many people, these features are frustratingly limited. Those who need more flexibility should check out Dragon Systems Software's Power Manager.

Power Manager also offers an assistant to create schedules based on a computer’s use. For example, if you choose School Laboratory as a Mac’s primary usage, the assistant asks what days the lab is open, the lab hours, and whether or not you want inactive users to be logged out after a period of inactivity. Power Manager then creates the corresponding energy schedules for you. You can edit these schedules manually, if necessary, as well as disable or enable each individually.

Power Manager is much stricter than Energy Saver in terms of what it considers “activity,” and will force sleep even if there are active processes that would normally prevent it. Similarly, Power Manager will quit apps to log out or shut down, and will log out all users to shut down. This makes Power Manager especially useful in environments—classrooms, labs, a child’s computer—where you want to make sure your schedules are followed. If your Mac is asleep when an event such as a logout or shutdown is scheduled, Power Manager will even wake up the Mac to ensure the event occurs.

A systemwide Quick Schedule menu lets you schedule one-time events to occur after 10, 30, or 60 minutes—handy for finishing a download or software install, although it would be great if the developer added a “download finished” type of trigger. You can also use the menu to delay or cancel each upcoming event, cancel all events for a period you choose, or stop schedules altogether until you start them again.

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