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Troubleshooting Steps Re-install all USB devices and check all cable connections.
LED
Power Button
Problem Description No memory modules are detected.
Troubleshooting Steps
• If two or more memory modules are installed, remove the modules, then reinstall one
module and restart the computer. If the computer starts 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.
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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.
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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.
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