Dell Precision 390 Guide De Référence Rapide page 38

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Problem Description
A possible BIOS failure has occurred;
the computer is in the recovery mode.
A possible processor failure
has occurred.
Memory modules are detected,
but a memory failure has occurred.
38
Quick Reference Guide
Suggested Resolution
Run the BIOS Recovery utility, wait for
recovery completion, and then restart
the computer.
Reinstall the processor and restart
the computer.
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 memory module
connector 4.
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. See page 34
for instructions.
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. For instructions on
contacting Dell, see your User's Guide.
NOTE:
If necessary, the computer can
operate in debug mode until new memory
modules are installed.

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