Troubleshooting Your System 97
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 Table4-1.
Table 4-1. Start-Up Routine Indications
Look/listen for: Action
An error message displayed on the
monitor.
See "System Messages" on page19.
System status and diagnostic
indicators
See "Front-Panel Features and Indicators" on
page13 and "Diagnostics Indicator Codes" on
page29.
Alert messages from the systems
management software.
See the systems management software
documentation.
The monitor's power indicator. See "Troubleshooting the Video Subsystem"
on page99.
The keyboard indicators. See "Troubleshooting the Keyboard" on
page100.
book.book Page 97 Thursday, August 30, 2007 3:30 PM