Dell Precision 690 Guía De Referencia Rápida página 40

Light Pattern Problem Description
No memory modules are detected.
System board failure has occurred.
Memory modules are detected, but a
memory configuration or compatibility
error exists.
Routine system activity preceding video
initialization.
40
Quick Reference Guide
Suggested Resolution
• If you have one memory module
installed, reinstall it and restart the
computer.
• If you have two or more memory
modules installed, remove the
modules, reinstall one module, and
then restart the computer). If the
computer starts normally, reinstall an
additional module. Continue until
you have identified a faulty module or
reinstalled all modules without error.
• If available, install properly working
memory of the same type into your
computer.
• If the problem persists, contact Dell.
Contact Dell for technical assistance.
• Ensure that no special memory
module/memory connector placement
requirements exist.
• Verify that the memory modules that
you are installing are compatible with
your computer.
• Reinstall the memory modules and
restart the computer.
• If the problem persists, contact Dell.
Watch your monitor for on-screen
messages.