Appendix A: LED Error Codes
Error Code Listing
Overview
The four diagnostics indicators on the system front panel display error codes during system startup. The following table lists the causes associated with these codes.
Code
Causes
Possible processor failure.
Memory failure.
Possible expansion card failure.
Possible video card failure.
Hard drive failure.
Possible USB failure.
No memory modules detected.
System board failure.
Memory configuration error.
Possible system board resource and/or system board hardware failure.
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