Troubleshooting Your System; Safety First-For You And Your System; Start-Up Routine - Dell POWEREDGE 840 Hardware Owner's Manual

Troubleshooting Your System

Safety First—For You and Your System
To perform certain procedures in this document, you must remove the system cover 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 your system documentation.
CAUTION:
Only trained service technicians are authorized to remove the system cover and access any of
the components inside the system. Before performing any procedure, see your Product Information Guide for
complete information about safety precautions, working inside the computer and protecting against
electrostatic discharge.

Start-Up Routine

Look and listen during the system's start-up routine for the indications described in Table 4-1.
Table 4-1. Start-Up Routine Indications
Look/listen for:
A status or error message displayed on the monitor.
A series of beeps emitted by the system.
Diagnostic indicator lights indicate a problem.
Alert messages from the systems management
software.
The monitor's power indicator.
The keyboard indicators.
The USB device activity indicator.
The diskette drive activity indicator.
The optical drive activity indicator.
The hard-drive activity indicator.
An unfamiliar constant scraping or grinding sound
when you access a drive.
Action
See "System Messages" on page 18.
See "System Beep Codes" on page 26.
See "Diagnostics Indicator Codes" on page 15.
See the systems management software documentation.
See "Troubleshooting the Video Subsystem" on page 92.
See "Troubleshooting the Keyboard" on page 93.
See "Troubleshooting a USB Device" on page 95.
See "Troubleshooting a Diskette Drive" on page 101.
See "Troubleshooting an Optical Drive" on page 102.
See "Troubleshooting a Hard Drive" on page 104.
See "Getting Help" on page 121.
Troubleshooting Your System
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