Инструкция по эксплуатации Dell OptiPlex SX280 — страница 18

Quick Reference Guide

Diagnostic Lights

CAUTION:

Before you begin any of the procedures in this section follow the safety instructions located in the Product Information Guide.

To help you troubleshoot a problem your computer has four lights labeled "A," "B," "C," and "D" on the back panel (see page 9) 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 lights may help identify where in the process the computer halted.

Solid green power light and no beep code and no video during POST

The monitor may be faulty or incorrectly installed.

Check "Diagnostic Lights" on page 23 to see if the specific problem is identified

Solid green and a beep code during POST

A problem was detected while the BIOS
was executing.

See "Running the Dell™ IDE Hard Drive Diagnostics" on page 27 for instructions on diagnosing the beep code Also check the diagnostic lights to see if the specific problem is identified.

Solid yellow

The Dell Diagnostics is running a test or a device on the system board may be faulty or incorrectly installed.

If the Dell Diagnostics is running allow the testing to complete.

Check "Diagnostic Lights" on page 23 to see if the specific problem is identified

If the computer does not boot contact Dell for technical assistance

Blinks green several times and then turns off

A configuration error exists.

Check "Diagnostic Lights" on page 23 to see if the specific problem is identified

Blinking green

The computer is in the suspended state (Microsoft

Windows

2000 and

Windows XP).

Press the power button to wake the computer

Solid green

Power is on and the computer is operating normally.

No corrective action is required.

Power Light

Problem Description

Suggested Resolution