Read This First; Warnings, Cautions, And Notes - Dell OPTIPLEX GN Service Manual

R
ead This First
A prerequisite for using this manual to service Dell computer systems is a
basic knowledge of IBM
IBM-compatible PC troubleshooting techniques. In addition to information
provided in this manual and the Reference and Installation Guide that came
with the system, Dell provides the Diagnostics and Troubleshooting Guide
for troubleshooting procedures and instructions on using the Dell Diagnostics
to test the computer system.
W
arnings, Cautions, and Notes
Throughout this manual, there may be blocks of text printed in bold type or in
italic type. These blocks are warnings, cautions, and notes, and they are used as
follows:
NOTE: A NOTE provides helpful information about using the computer system.
®
-compatible PCs and prior training in