Dell PowerEdge 750 Guía para resolver problemas descargar pdf (Pagina 20)

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Table 2-2. Back-Panel LED Codes

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System Messages



System messages appear on the screen to notify you of a possible problem with the system. Table2-3 lists the system messages that can occur and the

probable cause and corrective action for each message.



Table 2-3.SystemMessages

LED

Indicator

Normal Operation

Error Condition

Status

Off

The system is off.

Blue

The system is operating normally.

Blue blinking

The system is identifying itself due to the pressing of the identification button.

NOTE: Systems management software causes the indicator to blink to identify

the system.

Amber blinking

Indicates a fault with the system.

NIC activity

Flashing amber indicates network data is being sent or

received.

When this indicator is off at the same time that the link indicator is off, the

network adapter is not connected to the network.

NIC link

Steady green indicates that the network adapter is

connected to a valid link partner on the network.

When this indicator is off at the same time that the activity indicator is off, the

network adapter is not connected to the network.

NOTE: If you receive a system message that is not listed in Table2-3, check the documentation for the application that is running when the message

appears or the operating system's documentation for an explanation of the message and recommended action.

Message

Causes

Corrective Actions



Address mark not found

Faulty diskette, CD, or hard-

drive subsystem; defective

system board.

Ensure that the diskette, CD, and hard drive cables are properly connected. See

"Troubleshooting the Diskette Drive," "Troubleshooting the CD Drive," "Troubleshooting a SATA

Hard Drive," or "Troubleshooting a SCSI Hard Drive," in "Troubleshooting Your System" for the

appropriate drive(s) installed. If the problem persists, the system board may be defective. See

"Troubleshooting the System Board."



Alert! Cover was

previously removed!

The chassis has been

opened.

Information only.



Alert! CPU fan was not

detected.



Alert! Memory fan was not

detected.



Alert! PCI fan was not

detected.

Specified fan is faulty or the

fan assembly is not installed

correctly.

Ensure that the fan assembly is properly installed. See "Troubleshooting a Fan," in

"Troubleshooting Your System."



Unsupported or faulty

Ensure that the memory modules are properly populated. See "Memory Module Installation

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