Solving Memory Problems
If you encounter memory problems, some common causes and solutions are listed in the following table.
CAUTION:
Power may still be supplied to the DIMMs when the computer is turned off. To avoid
damage to the DIMMs or the system board, you must unplug the computer power cord before attempting
to reseat, install, or remove a DIMM.
For those systems that support ECC memory, HP does not support mixing ECC and non-ECC memory.
Otherwise, the computer will not boot the operating system.
Table 2-12
Solving Memory Problems
System will not boot or does not function properly after installing additional memory modules.
Cause
Solution
A memory module is not installed in the DIMM1 socket.
Ensure that a memory module is installed in the black DIMM1
socket on the system board. This socket must be populated
with a memory module.
Memory module is not the correct type or speed grade for the
system or the new memory module is not seated properly.
Replace module with the correct industry-standard device for
the computer. On some models, ECC and non-ECC memory
modules cannot be mixed.
Out of memory error.
Cause
Solution
Memory configuration may not be set up correctly.
Use the Device Manager to check memory configuration.
You have run out of memory to run the application.
Check the application documentation to determine the memory
requirements.
Memory count during POST is wrong.
Cause
Solution
The memory modules may not be installed correctly.
Check that the memory modules have been installed correctly
and that proper modules are used.
Integrated graphics may use system memory.
No action required.
Insufficient memory error during operation.
Cause
Solution
Too many Terminate and Stay Resident programs (TSRs) are
installed.
Delete any TSRs that you do not need.
You have run out of memory for the application.
Check the memory requirements for the application or add
more memory to the computer.
The computer emits one short beep then one long beep followed by a three second pause.
Cause
Solution
Memory is installed incorrectly or is bad.
1.
Reseat DIMMs. Power on the system.
2.
Replace DIMMs one at a time to isolate the faulty module.
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Chapter 2 Troubleshooting Without Diagnostics
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