Troubleshooting Your System; Safety First-For You And Your System; Start-Up Routine - Dell PowerEdge NM176 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:
An error message displayed on the
monitor.
System status and diagnostic
indicators
Alert messages from the systems
management software.
The monitor's power indicator.
The keyboard indicators.
Action
See "System Messages" on page 19.
See "Front-Panel Features and Indicators" on
page 13 and "Diagnostics Indicator Codes" on
page 29.
See the systems management software
documentation.
See "Troubleshooting the Video Subsystem"
on page 99.
See "Troubleshooting the Keyboard" on
page 100.
Troubleshooting Your System
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