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Basic Troubleshooting

Dell™ PowerVault™ 715N Systems Service Manual

Overview

Initial User Contact

External Visual Inspection

Observing the Boot Routine

Overview

This section describes basic troubleshooting procedures that can help you diagnose a system problem. The procedures can

often reveal the source of a problem or indicate the correct starting point for servicing the system. See your Installation

and Troubleshooting Guide for more detailed instructions on troubleshooting your system.

A brief explanation of how to load and start the system diagnostics can be found in

NOTE:

To perform troubleshooting, you can use the console redirection function on the serial port (COM1). See the

System Administrator's Guide for more information about console redirection.

Perform the following procedures in the order presented.

Initial User Contact

When you first contact a user who has a problem, ask the user to describe the problem and the conditions under which it

occurs. After the user describes the problem, perform the following steps:

1. Ask the user to back up any data on the hard drive if the system's condition permits.

See the documentation provided with the operating system or applications software for information about backing

up data.

2. Ask the user to duplicate the problem by repeating the operations he or she was performing at the time the

problem occurred.

Can the user duplicate the problem?

Yes. Proceed to step 3.

No. Proceed to the next section,

3. Observe the user to determine if he or she is making an error, such as typing an incorrect key combination or

entering a command incorrectly.

Is the problem a result of user error?

Yes. Instruct the user in the proper procedure or direct the user to the appropriate user documentation for the

correct procedure.

No. Proceed to

"External Visual

External Visual Inspection

Improperly set switches, controls, and loose or improperly connected cables are the most likely source of problems for the

system or other peripherals. A quick check of all the switches, controls, and cable connections can easily solve the

problems.

The external visual inspection consists of a quick inspection of the exterior of the system and cables. While performing the

visual inspection, make any necessary corrections. To perform the external visual inspection, perform the following steps:

"External Visual

Inspection."

Internal Visual Inspection

Running System Diagnostics

Obtaining Technical Assistance

"Running System

Diagnostics."