Dell Precision T1600 (Early 2011) User Manual
Page 72

Light Pattern
Problem Description
Troubleshooting
Steps
Diagnostic LEDs
Power Button LED
normally,
continue to
install additional
memory
modules (one at
a time) until you
have identified a
faulty module or
reinstalled all
modules without
error.
•
If available,
install working
memory of the
same type into
your computer.
Memory modules
are detected, but a
memory
configuration or
compatibility error
has occurred.
•
Ensure that no
special
requirements
for memory
module/
connector
placement exist.
•
Ensure that the
memory you are
using is
supported by
your computer.
A possible
expansion card
failure has
occurred.
•
Determine if a
conflict exists
by removing an
expansion card
(not a graphics
card) and
restarting the
computer.
•
If the problem
persists,
reinstall the
card you
removed, then
remove a
different card
72
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