Solving Memory Problems - HP Business Desktop d500 Series Service & Reference Manual

Solving Memory Problems

CAUTION: For those systems that support ECC memory, HP does not support mixing ECC and non-ECC
Ä
memory. Otherwise, the system will not boot the operating system.
Solving Memory Problems
Problem
System will not boot or
does not function properly
after installing additional
memory modules.
Out of memory error.
Memory count during POST
is wrong.
Insufficient memory error
during operation.
Power LED flashes Red five
times, once every second,
followed by a two second
pause, and the computer
beeps five times.
D–20
Cause
Memory module is not
the correct type or
speed or the new
memory module is not
seated properly.
Memory configuration
may not be set up
correctly.
You have run out of
memory to run the
application.
The memory modules
may not be installed
correctly.
Too many Terminate
and Stay Resident
programs (TSRs) are
installed.
You have run out of
memory for the
application.
Memory is installed
incorrectly or is bad.
336492-003
Solution
Replace module with the correct
industry-standard device for the
computer.
On some models, ECC and non-ECC
memory modules cannot be mixed.
Use the Device Manager to check
memory configuration.
Check the application
documentation to determine the
memory requirements.
Check that the memory modules
have been installed correctly and
that proper modules are used.
Delete any TSRs that you do
not need.
Check the memory requirements for
the application or add more
memory to the computer.
1. Reseat DIMMs.
2. Replace DIMMs one at a time to
isolate the faulty module.
3. Replace third-party memory
with HP memory.
4. Replace the system board.
Service Reference Guide, d500