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m If you get this message when you are trying to open or use a program,
follow these steps:
1. Choose About This Macintosh from the Apple (K) menu. Take note of
the number in the Largest Unused Block section. This number tells you
how much memory is available to open programs.
2. Quit the program if it’s open, select its icon, and choose Get Info from
the File menu. Take note of the numbers in the Minimum Size and
Preferred Size boxes.
3. If the number in the Minimum Size box is larger than the largest unused
block, not enough memory is available to use this program. To free
memory, quit open programs or restart the computer. You can also type
a smaller number in the Minimum Size box if you want to open the
program using less memory. (But some programs don’t work well if you
assign them less memory.)
4. If the number in the Preferred Size box is smaller than the largest
unused block, you may need to assign more memory to the program. (A
program may need more memory if you are working with complex
documents.) Type a larger number in the Preferred Size box.
m If you frequently want to open more programs than memory allows, try
the following:
m Tu rn on virtual memory (VM) in the Memory control panel or increase
the amount of VM if it is already on.
m Use the Memory control panel to reduce the size of the disk
cache or remove or reduce the size of your RAM disk.
m Install a RAM expansion card in your computer. See Appendix C
for instructions.
When you try to open a document, a message says the program can’t be found.
m The document may have been created with a program that is not on your
hard disk, or with a different version of the program.
m You can also open a document from within a program by using the Open
command in the File menu. For more information, see the documentation
that came with your programs.
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Chapter 7