Diagnostic Lights

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 119.

 

 

detected; system is in

 

 

recovery mode.

 

 

 

 

Possible processor failure. See "Troubleshooting the

 

 

Processor" on page 110.

 

 

 

 

Memory failure.

See "Troubleshooting System

 

 

Memory" on page 104.

 

 

 

 

Possible expansion card

See "Troubleshooting an

 

failure.

Expansion Card" on page 109.

 

 

 

 

Possible video failure.

See "Getting Help" on page 119.

About Your System

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Dell R210 II owner manual Diagnostic Lights, Diagnostic Indicator Codes Causes Corrective Action