Solving Memory Problems - Compaq dc5850 Series Business PC Troubleshooting Manual

Solving Memory Problems

If you encounter memory problems, some common causes and solutions are listed in the following table.
CAUTION:
damage to the DIMMs or the system board, you must unplug the computer power cord before attempting
to reseat, install, or remove a DIMM module.
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 2-13 Solving Memory Problems
System will not boot or does not function properly after installing additional memory modules.
Cause
A memory module is not installed in the system board memory
socket.
Memory module is not the correct type or speed grade for the
system or the new memory module is not seated properly.
Out of memory error.
Cause
Memory configuration may not be set up correctly.
You have run out of memory to run the application.
Memory count during POST is wrong.
Cause
The memory modules may not be installed correctly.
Integrated graphics may use system memory.
Insufficient memory error during operation.
Cause
Too many Terminate and Stay Resident programs (TSRs) are
installed.
You have run out of memory for the application.
ENWW
Power may still be supplied to the DIMMs when the computer is turned off. To avoid
Solution
The sockets must be populated with at least one memory
module. Install memory modules in the following order: XMM4,
XMM3, XMM2, XMM1.
Replace module with the correct industry-standard device for
the computer. On some models, ECC and non-ECC memory
modules cannot be mixed.
Solution
Use the Device Manager to check memory configuration.
Check the application documentation to determine the memory
requirements.
Solution
Check that the memory modules have been installed correctly
and that proper modules are used.
No action required.
Solution
Delete any TSRs that you do not need.
Check the memory requirements for the application or add
more memory to the computer.
Solving Memory Problems 37