50 Chapter 4 Problem, Meet Solution
 Make sure you have properly configured the software according to the instructions
that came with your base station or access point.
 Make sure you are within antenna range of the other computer or the network’s
access point. Nearby electronic devices or metal structures can interfere with wireless
communication and reduce this range. Repositioning or rotating the computer might
improve reception.
 Check the AirPort (Z) status menu in the menu bar. Up to four bars appear,
indicating signal strength. If signal strength is low, try moving your location.
 See AirPort Help (choose Help > Mac Help, and then choose Library > AirPort Help
from the menu bar). Also see the instructions that came with the wireless device for
more information.
Keeping Your Software Up to Date
You can connect to the Internet and automatically download and install the latest free
software versions, drivers, and other enhancements from Apple.
When you are connected to the Internet, Software Update checks Apple’s Internet
servers to see if any updates are available for your computer. You can set your MacBook
to check the Apple servers periodically, and download and install updated software.
To check for updated software:
1 Open System Preferences.
2 Click the Software Update icon and follow the instructions on the screen.
 For more information, search for “Software Update” in Mac Help.
 For the latest information about Mac OS X, go to www.apple.com/macosx.
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