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Light Pattern
A
B
A
B
A
B
= yellow
= green
= off
62
Advanced Troubleshooting
Problem Description
No memory modules are detected.
C
D
Memory modules are detected, but a
memory configuration or
compatibility error exists.
C
D
A possible system board resource
and/or hardware failure has occurred.
C
D
Suggested Resolution
Reinstall all memory modules (see
1
page 86).
Ensure that all the connector tabs
2
are locked.
Restart the computer.
3
If the problem persists, contact
4
Dell (see page 129).
• Ensure that no special memory
module/memory connector
placement requirements exist (see
page 86).
• Verify that the memory modules
that you are installing are
compatible with your computer
(see page 86).
• If the problem persists, contact
Dell (see page 129).
See "Resolving Software and
Hardware Incompatibilities" on
page 71.
If the problem persists, contact Dell
(see page 129).
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