Internal visual inspection – Dell PowerVault 775N (Rackmount NAS Appliance) User Manual

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Beep codes — A beep code is a series of beeps that indicates an error condition. See "

System Beep Codes

."

System error messages — These messages can indicate problems or provide status information. If a system

error message appears, see "

System Messages

."

Diskette-drive and hard drive access indicators — These indicators light up in response to data being transferred

to or from the drives. If either if these indicators fails to light up during the boot routine, troubleshoot the

diskette drive or hard drive subsystem, as appropriate.

5. Insert a copy of the diagnostics diskette into the diskette drive, and reboot the system.

Does the Diagnostics menu appear?

Yes. See "

Running the System Diagnostics

."

No. Proceed to "

Internal Visual Inspection

."

Internal Visual Inspection

NOTICE:

Before you proceed with the internal visual inspection described in this section, ensure that the user has

saved all open files and exited all open application programs, if possible.

A simple visual inspection of a system's interior hardware can often lead to the source of a problem, such as a loose

expansion card, cable connector, or mounting screw. When you perform the visual inspection, see "

Jumpers and Connectors

"

to locate components referenced in the inspection procedure.

CAUTION:

Before you perform this procedure, read the safety instructions in your System Information

document.

CAUTION:

See "Protecting Against Electrostatic Discharge" in the safety instructions in your System

Information document.

1. Remove the bezel (see "

Removing the Bezel

").

2. Turn off the system, including any attached peripherals, and disconnect all the power cables from electrical outlets.

3. Remove the cover (see "

Removing the Cover

").

CAUTION:

The microprocessor and heat-sink assembly can get extremely hot during system operations. Be

sure that it has had sufficient time to cool before touching it.

CAUTION:

When handling the microprocessor and heat-sink assembly, take care to avoid sharp edges on

the heat sink.

4. Verify that the memory modules, expansion cards, and microprocessors are fully seated in their sockets or connectors.

To remove and reseat microprocessors, perform the steps described in "

Microprocessors

."

To remove and reseat a memory module, perform the steps described in "

Memory Modules

."

To remove and reseat an expansion card, perform the steps described in "

Expansion Cards

."

5. Verify that all jumpers are set correctly (see

Figure 5-2

).

6. Check all cable connectors inside the system to verify that they are firmly attached to their appropriate connectors.

7. Replace the cover (see "

Replacing the Cover

").

8. Reconnect the system and any attached peripherals to their power sources, and turn them on.

Does the problem appear to be resolved?

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