Symptom
The estimated remaining battery time that appears in the menu bar is less than the actual usage you get from the battery.
Solution
Download and install Mac OS X 10.2.8 or later. You can get the update using the Software Update feature in System Preferences.
To see which version of Mac OS X is on your computer:
If you have Mac OS X 10.2.8 (Build 6R65), you should install the latest update.
The estimated remaining battery time that appears in the menu bar is less than the actual usage you get from the battery.
Solution
Download and install Mac OS X 10.2.8 or later. You can get the update using the Software Update feature in System Preferences.
- 1. Connect to the Internet.
2. From the Apple menu, choose System Preferences
3. From the View menu, choose Software Update.
4. Click the Check Now button. Software Update checks for new software you can install on your computer.
5. If a new Mac OS X update is not recommended, you already have the latest update. Stop here.
6. If a Mac OS X update appears, click the Install button. Software Update downloads and installs the software.
7. When the installation is complete, click the Restart button to restart your computer.
To see which version of Mac OS X is on your computer:
1. From the Apple menu, choose About This Mac. A new window appears.
2. Look at the version number (for example, "10.2.8"). It appears below the Mac OS X logo.
Figure 1 About This Mac window
3. Click the version number. The Build version appears.
Figure 2 Build version
If you have Mac OS X 10.2.8 (Build 6R65), you should install the latest update.