Lenovo PC 300GL User Guide (including system setup and option in - Page 125

Memory Problems, Action

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Memory Problems Memory Problems The amount of memory displayed is less than the amount of memory installed. Action The amount of available memory shown might be somewhat less than expected because of basic input/output system (BIOS) shadowing in random access memory (RAM). Verify that: 1. You have installed the correct type of DIMMs for your computer. See "Working with System Memory" on page 62 for instructions on adding DIMMs. 2. The DIMMs are properly installed and securely connected. 3. If you added or removed memory, you saved the new configuration before exiting the Configuration/Setup Utility Program. If the problem persists, run the memory test from the diagnostic program supplied with your computer. (See "IBM Enhanced Diagnostics" on page 116 for further information.) The system might have detected a bad DIMM and automatically reallocated memory to enable your computer to continue to operate. If the problem cannot be corrected, have the computer serviced. Chapter 8. Troubleshooting 111

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Memory Problems
Memory Problems
Action
The amount of memory
displayed is less than the
amount of memory
installed.
The amount of available memory shown might be
somewhat less than expected because of basic
input/output system (BIOS) shadowing in random
access memory (RAM).
Verify that:
1.
You have installed the correct type of DIMMs for
your computer.
See “Working with System
Memory” on page
62 for instructions on adding
DIMMs.
2.
The DIMMs are properly installed and securely
connected.
3.
If you added or removed memory, you saved the
new configuration before exiting the
Configuration/Setup Utility Program.
If the problem persists, run the memory test from the
diagnostic program supplied with your computer.
(See
“IBM Enhanced Diagnostics” on page
116 for further
information.)
The system might have detected a bad
DIMM and automatically reallocated memory to enable
your computer to continue to operate.
If the problem cannot be corrected, have the computer
serviced.
Chapter 8.
Troubleshooting
111