Dell Precision T7400 (Late 2007) - Manual (Page 112)

112 Troubleshooting Tools
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 (see
"Contacting Dell" on
page 287).
System board failure has
occurred.
Contact Dell for technical
assistance (see "Contacting
Dell" on page 287).
Memory modules are detected,
but a memory configuration or
compatibility error exists.
• Ensure that no special
memory module/memory
connector placement
requirements exist (see
"Memory" on page 172).
• Verify that the memory
modules that you are
installing are compatible
with your computer (see
"Memory" on page 172).
• Reinstall the memory
modules and restart the
computer.
• If the problem persists,
contact Dell (see
"Contacting Dell" on
page 287).
Routine system activity
preceding video initialization.
Watch your monitor for on-
screen messages.
Light Pattern Problem Description Suggested Resolution