Dell PowerEdge R510 Hardware Owner's Manual - Page 27
Diagnostic Lights (Optional - video card
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Diagnostic Lights (Optional) NOTE: This section is applicable to twelve-hard-drive systems and systems with cabled hard drives only. 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 Corrective Action The system is in a normal Plug the system into a working off condition or a possible electrical outlet and press the pre-BIOS failure has power button. occurred. The diagnostic lights are not lit after the system successfully boots to the operating system. The system is in a normal Information only. operating condition after POST. BIOS checksum failure detected; system is in recovery mode. See "Getting Help" on page 199. Possible processor failure. See "Troubleshooting Processors" on page 186. Memory failure. See "Troubleshooting System Memory" on page 177. Possible expansion card See "Troubleshooting Expansion failure. Cards" on page 184. Possible video failure. See "Getting Help" on page 199. About Your System 27