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Diagnostic lights – Dell PowerEdge T110 User Manual

Page 18

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18

About Your System

Diagnostic Lights

The four diagnostic indicator lights on the system front panel display error
codes during system startup. Table 1-2 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 1-2.

Diagnostic Indicator Code

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
operating condition after
POST.

Information only.

BIOS checksum failure
detected; system is in
recovery mode.

See "Getting Help" on page 129.

Possible processor failure. See "Troubleshooting the

Processor" on page 119.

Memory failure.

See "Troubleshooting System
Memory" on page 113.

Possible expansion card
failure.

See "Troubleshooting Expansion
Cards" on page 118.

Possible video failure.

See "Getting Help" on page 129.

Mayzie_HOM.book Page 18 Monday, August 31, 2009 9:33 PM