Dell Precision 470: Light Pattern Problem Description Suggested Resolution

Light Pattern Problem Description Suggested Resolution: Dell Precision 470

Table of contents

Light Pattern Problem Description Suggested Resolution

green

No memory modules are detected. 1 Reseat the memory modules

to

ensure that your computer is

yellow

successfully communicating with

ABCD

yellow

the memory.

yellow

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:

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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.

= yellow

= green

= off

34 Quick Reference Guide