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Dell OptiPlex 990 Desktop - Page 79

Dell OptiPlex 990 Desktop
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LED
Power Button
Problem Description Memory modules are detected, but a memory configuration or
compatibility error has occurred.
Troubleshooting Steps
Ensure that no special requirements for memory
module/connector placement exist.
Ensure that the memory you are using is supported by
your computer.
LED
Power Button
Problem Description A possible expansion card failure has occurred.
Troubleshooting
Steps
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 and restart the computer.
Repeat this process for each expansion card installed.
If the computer starts normally, troubleshoot the last
card removed from the computer for resource conflicts.
LED
Power Button
Problem Description A possible system board resource and/or hardware failure has
occurred.
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