File name dell_optiplex_990_sm.pdfDell OptiPlex 990 Desktop Service Manual
Regulatory Model: D05D
Regulatory Type: D05D001
Notes, Cautions, and Warnings
NOTE: A NOTE indicates important information that helps you make better use of your
computer.
CAUTION: A CAUTION indicates potential damage to hardware or loss of data if
instructions are not followed.
WARNING: A WARNING indicates a potential for property damage, personal injury, or
death.
Information in this publication is subject to change without notice. |