DELL D490 Manual De Usuario

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Quick Reference Guide
Cable Colors
Locating Your User’s Guide
Your 
User’s Guide contains additional information about your computer such as:
Technical specifications
Front and back views of your computer, including all of the available connectors
Inside views of your computer, including a detailed graphic of the system board and the connectors
Instructions for cleaning your computer
Information on software features, such as Legacy Select Technology control, using a password, and 
system setup options
Tips and information for using the Microsoft Windows XP operating system
Instructions for removing and installing parts, including memory, cards, drives, the microprocessor, and 
the battery
Information for troubleshooting various computer problems 
Instructions for using the Dell Diagnostics and reinstalling drivers
Information on how to contact Dell
You can access the 
User’s Guide from your hard drive or the Dell Support website at support.dell.com.
Removing the Computer Cover
 
CAUTION: 
Before you begin any of the procedures in this section, follow the safety instructions in the Product 
Information Guide.
 
CAUTION: 
To guard against electrical shock, always unplug your computer from the electrical outlet before 
removing the cover.
 
CAUTION: 
Your computer is heavy (it has an approximate minimum weight of 55 lbs) and can be difficult to 
maneuver. Seek assistance before attempting to lift, move, or tilt it; this computer requires a two-man lift. Always 
lift correctly to avoid injury; avoid bending over while lifting. See your Product Information Guide for other 
important safety information.
 
CAUTION: 
The computer stand should be installed at all times to ensure maximum system stability. Failure to 
install the stand could result in the computer tipping over, potentially resulting in bodily injury or damage to the 
computer.
Device
Color
Hard drive (with on-board 
controller)
blue cable
Floppy drive
black pull-tab
CD/DVD drive
orange pull-tab