Инструкция по эксплуатации Dell OptiPlex GX280 — страница 16

Quick Reference Guide

Diagnostic Lights

CAUTION:

Before you begin any of the procedures in this section follow the safety instructions in the

Product Information Guide.

To help you troubleshoot a problem your small form factor small desktop and small mini-tower computers have four lights labeled "A," "B," "C," and "D" on the back panel The lights can be yellow or green When the computer starts normally the patterns or codes on the lights change as the boot process completes If the POST portion of system boot completes successfully all four lights display solid green If the computer malfunctions during the POST process the pattern displayed on the LEDs may help identify where in the process the computer halted.

NOTE:

The orientation of the diagnostic lights may vary depending on the system type The diagnostic lights can appear in either a vertical or horizontal orientation.

Y = Yellow

G = Green

Light Pattern

Problem Description

Suggested Resolution

The computer is in a normal "off"
condition or a possible pre-BIOS failure has occurred.

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

A possible BIOS failure has occurred; the computer is in the recovery mode.

Run the BIOS Recovery utility wait for recovery completion and then restart the computer.

A possible processor failure has occurred.

Reinstall the processor and restart the computer For information on reinstalling the processor see your online User’s Guide.

off off off off