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87mpgbk0.book(87mpgc60.fm), Checking inside the system, Safety first—for you and your system – Dell PowerVault 735N (Rackmount NAS Appliance) User Manual

Page 47: Chapter 6, Checking inside the system -1, Safety first—for you and your system -1, Opening the system doors -2, Removing the optional front bezel -3, Removing and replacing the expansion-card cage -4, Inside the chassis -5

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Checking Inside the System

6-1

C H A P T E R 6

Checking Inside the System

NOTE: To perform these troubleshooting tasks, you must connect a keyboard, mouse,
and monitor to your system.

This chapter provides troubleshooting procedures for components inside the system.
Before you start any of the procedures in this chapter, perform the following steps:

Perform the procedures described in “Checking Connections and Switches” and
“The System Setup Program” in Chapter 2, “Checking the Basics.

Read the safety instructions in “Safety First—For You and Your System.”

You need the following items to perform the procedures in this chapter:

The

Dell PowerVault 735N Resource

CD

A blank, formatted 3.5-inch diskette

The

Dell PowerVault 735N Systems User's Guide

The key to the system keylock

NOTE: When you see the question “Is the problem resolved?” in a troubleshooting
procedure, perform the operation that caused the problem.

Safety First—For You and Your System

The procedures in this guide require that you open the system doors and work inside
the system. While working inside the system, do not attempt to service the system
except as explained in this guide and elsewhere in Dell documentation. Always follow
the instructions closely.

WARNING FOR YOUR PERSONAL SAFETY AND PROTECTION OF THE
EQUIPMENT

Before starting to work on the system, perform the following steps in the
sequence listed:

1.

Turn off and disconnect your system and peripherals from their power
sources (unless you are installing or removing a hard-disk drive). Also, dis-
connect any telephone or telecommunication lines from the system.

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