OptiPlex SX280の取扱説明書・マニュアル [全74ページ 4.59MB]
optiplex-sx280_setup%20guide_ja-jp.pdf
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22 Quick Reference Guidewww.dell.com | support.dell.comPower Supply LightSystem LightsYour power button light and hard-drive light may indicate a computer problem.Light StatePSU State Description TroubleshootingOff No AC, or a fault condition occurredIndicates that the power supply is not receiving power from an electrical outlet, OR that the power supply shut down due to a fault condition.Ensure that the electrical outlet is working by testing it with another device, such as a lamp.Verify that the AC power cable connection is properly seated in the power supply. If necessary, reseat the AC cable connection at the power supply. Disconnect the AC power cable from the power supply and the DC cable from the computer for at least 10 seconds. Reattach the AC power cable to the power supply. The light on the power supply should turn yellow. Reattach the DC cable to the computer. The light on the power supply should turn green. Yellow AC present/no load Indicates that the power supply is attached to working electrical outlet but not connected to the computer.Verify that the power supply is completely plugged in to the computer and the retention latch is engaged. Reseat the connection if necessary.Green AC present/power to loadIndicates that the power supply is receiving power from the electrical outlet an d is properly connected to the computer.Check the power button light and see "System Lights" on page 22. Power Light Problem Descri ption Suggested ResolutionSolid green power light and no beep code but the computer locks up during POSTAn integrated system board device may be faulty.Check "Diagnostic Lights" on page 23 to see if the specific problem is identified. If the problem is not identified, contact Dell for technical assistance.
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