Инструкция по эксплуатации Dell OptiPlex 170L — страница 19

Quick Reference Guide www

Beep Codes

Your computer might emit a series of beeps during start-up if the monitor cannot display errors or problems This series of beeps called a beep code identifies a problem One possible beep code (code 1-3-1) consists of one beep a burst of three beeps and then one beep This beep code tells you that the computer encountered a memory problem If your computer beeps during start-up:

Write down the beep code.

See "Dell Diagnostics" on page 17 to identify a more serious cause.

Contact Dell for technical assistance.

yellow yellow yellow green

No memory modules are detected.

• Reinstall all memory modules and restart the computer.

- To eliminate the possibility of a faulty memory connector remove all memory modules reinstall one memory module (if the computer supports a single module) and then restart the computer If the computer starts normally move the memory module to a different connector and restart the computer Continue until you have identified a faulty connector or reinstalled all modules without error.

yellow green yellow green

Memory modules are detected but a memory configuration or compatibility error exists.

• Ensure that no special memory module/memory connector placement requirements exist (see "Memory"
in the online

User’s Guide for more information).

• Verify that the memory modules that you are installing are compatible with your computer.

• If the problem persists contact Dell.

yellow green green green

Another failure has occurred.

• Ensure that the cables are properly connected to the system board from all installed hard drives.

• Check the computer message that appears on your monitor screen.

• If the problem persists contact Dell.

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The computer is in a normal operating condition after POST.

• None.

Light Pattern

Problem Description

Suggested Resolution