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Working Inside Your Computer 77
The total includes the amount of memory that originally came with the computer plus the
new memory you added. For a more detailed breakdown of the amount of memory installed
in your computer, use Apple System Profiler. Under Mac OS 9, choose Apple System Profiler
from the Apple (K) menu. Under Mac OS X, open the Applications folder, then open the
Utilities folder, and double-click the Apple System Profiler application to open it.
If the memory is not recognized or your computer does not start up correctly, shut down
your PowerBook and check the instructions again to make sure that the memory you
installed is compatible with this PowerBook and that it is installed correctly. If you still have
problems, remove the memory and consult the service and support information that came
with your computer for instructions on how to contact Apple for service.