Quick Reference Guide

Table Of Contents
support.dell.com Checking the Basics 2-3
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To check all the connections and switches, perform the following steps:
1. Turn off the system, including any attached peripherals (such as the monitor, key-
board, printer, external drives, scanners, and plotters). Disconnect all the AC
power cables from their electrical outlets.
2. If the computer is connected to a power strip (or power distribution unit), turn the
power strip off and then on again.
Is the power strip receiving power?
Ye s .
Go to step 5.
No.
Go to step 3.
optional redundant
power supplies (2)
serial port 2
parallel port connector
AC power receptacle
serial port 1
mouse connector
keyboard connector
Universal
Serial Bus (USB)
connectors (2)
network interface
controller (NIC) connector
video connector
expansion slots (3)
system status indicator
power button and
power indicator
hard-disk drive
activity indicator
diskette drive
CD-ROM drive