Upgrading to an SSD for older systems will not only increase speed, but also cut down on energy usage.
If your system is one which has upgradable RAM, then increasing levels as high as you have a budget for will lessen paging of RAM contents to the hard disk as it gets full. If you use peripheral devices with your Mac, then be sure they are unplugged when you are running on the battery, and only attach them for their brief use before unplugging them again. If you find yourself pausing when working, try keeping your hands on the F1 and F2 keys, or whatever keys are configured for dimming your display, and crank down the output to zero when you pause, or just sleep the system for extended pauses. While you might find it fun to keep Activity Monitor open, keep in mind that Activity Monitor itself will use regular CPU cycles, so only keep it open when troubleshooting and then quit it.ĭimming keyboards and displays as much as possible (if not all the way off when not in use), will greatly increase battery life as well. In addition, quit unneeded applications and application windows, especially active ones such as network monitors, scanners, and third-party status updaters. Doing this can easily tack on another hour to a system's run time.
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One example of this is to turn off the Bluetooth or Wi-Fi radios when not in use, which can be done easily from their respective status menus in the system menu bar. While you can spend time troubleshoot the specifics of what might be causing poor battery life in your Mac, another approach is to just take measures to overall improve battery life. The battery status menu option will give you access to the battery menu. Standard options for increasing battery life These settings in the Energy Saver System Preferences pane should help increase battery life. To do this, ensure "All Processes" is chosen in Activity Monitor's "View" menu. The benefit of this approach is you can view these statistics for background tasks in addition to programs, and also view them for running programs in other accounts on the system instead of just your own.
In addition to using this menu, you can open the Activity Monitor utility in the Applications > Utilities folder, and use its "CPU" and "Energy" tabs to sort running processes by "%CPU" usage and energy impact. With these features, you can see if your battery hardware is in good condition, and then determine which applications you have open that are draining the battery, and close them or otherwise manage their activities. The second is a list of the top-most applications that are using significant energy (the Option key is not necessary for showing this feature). The first is the battery condition, which if anything but "Normal," indicates your battery is damaged or otherwise needs replacing. Clicking this menu with the Option key held down will then give you two quick pieces of information. First is to go to the Energy Saver pane of System Preferences and check the option to "Show battery status in menu bar." Doing this will put a menu extra next to the Date, Volume, and Wi-Fi menus that allows you to monitor battery status. If your battery is draining fast, then there are several things you can do. Troubleshooting Holding the Option key when opening the battery menu will show the battery condition in addition to apps using significant energy. However, you may find at times even with these improvements, that your laptop periodically has very short battery life. OS X Mavericks is built to improve battery life on laptop systems, by including features to automatically suspend battery-draining tasks (such as movies) that are not in the foreground, and using memory compression to lessen paging of RAM contents to the hard drive.
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