Dell R510 owner manual Diagnostic Lights Optional

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 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.

Plug the system into a working electrical outlet and press the power button.

The system is in a normal	Information only.
operating condition
after POST.
BIOS checksum failure	See "Getting Help" on page 199.
detected; system is in
recovery mode.
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

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