Dell Precision 670 - Manual (Page 34)

34
Quick Reference Guide
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No memory modules are detected. 1 Reseat the memory modules to
ensure that your computer is
successfully communicating with
the memory.
2 Restart the computer.
3 If the problem still exists, remove
all the memory modules and
install one memory module in
connector DIMM_1.
4 Restart the computer.
The following message appears:
Alert! Operating in Debug
Mode. Please Populate
Memory in Pairs for
Normal Operation .
5 Press <F1> to boot to the
operating system.
6 Run the Dell Diagnostics.
7 If the memory module passes, shut
down the computer, remove the
memory module, and then repeat the
process with the remaining memory
modules until a memory error occurs
during start-up or diagnostic testing.
If the first memory module tested is
defective, repeat the process with the
remaining modules to ensure that the
remaining modules are not defective.
8 When the defective memory module
is identified, contact Dell for
a replacement.
NOTE:
If necessary, the computer can
operate in debug mode until new memory
modules are installed.
Light Pattern Problem Description Suggested Resolution
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A B C D