Filter
Top Products
Troubleshooting Your System 67
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 1-1.
Table 4-1. Start-Up Routine Indications
Look/listen for: Action
A status code displayed by the
diagnostic indicator
lights on the system front panel
.
See "Diagnostics Indicator Codes" on page 14.
An error message displayed on the monitor. See "System Messages" on page 16.
Alert messages from the systems management
software.
See the systems management software
documentation.
The monitor's power indicator. See "Troubleshooting the Video Subsystem" on
page 69.
The keyboard indicators. See "Troubleshooting the Keyboard" on page 70.
The USB CD drive activity indicator. See "Troubleshooting a USB Device" on page 71.
The CD drive activity indicator. See "Troubleshooting an Optical Drive" on page 78.
The hard-drive activity indicator. See "Troubleshooting a Hard Drive" on page 78.
An unfamiliar constant scraping or grinding sound
when you access a drive.
See "Getting Help" on page 95.