Diagnostic Lights (Optional) - Dell POWEREDGE R515 Hardware User Manual

Dell computer hardware user manual
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Diagnostic Lights (Optional)

NOTE:
This section is applicable to twelve–hard-drive systems.
The four diagnostic indicator lights on the system front panel display error
codes during system startup. Table 1-1 lists the causes and possible corrective
actions associated with these codes. A highlighted circle indicates the light is
on; a non-highlighted circle indicates the light is off.
Table 1-1. Diagnostic Indicator Codes
Code
Causes
The system is in a normal
off condition or a possible
pre-BIOS failure has
occurred.
The diagnostic lights are
not lit after the system
successfully boots to the
operating system.
The system is in a normal
operating condition
after POST.
BIOS checksum failure
detected; system is in
recovery mode.
Possible processor failure. See "Troubleshooting Processors"
Memory failure.
Possible expansion card
failure.
Possible video failure.
Corrective Action
Plug the system into a working
electrical outlet and press the
power button.
Information only.
See "Getting Help" on page 187.
on page 174.
See "Troubleshooting System
Memory" on page 165.
See "Troubleshooting Expansion
Cards" on page 172.
See "Getting Help" on page 187.
About Your System
25

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