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18 Quick Reference Guide
www.dell.com | support.dell.com
Before you install any devices or software that did not come with your computer, read the
documentation that came with the software or device or contact the vendor to verify that the
software or device is compatible with your computer and operating system.
Congratulations! You have completed the setup for your Dell Precision 470 computer.
To access the User’s Guide from your hard drive:
Click the
Start
button and click
Help and Support
.
To access your User’s Guide from the Dell Support website:
1
Go to
support.dell.com.
2
Follow the prompts on the website that ask you for information specific to your computer.
3
At the Dell Support website home page, click the
User Guides
link under
Product Support
,
click
Systems
, and then select your Dell Precision computer.
Opening the Computer Cover
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the
Product Information Guide.
1
Shut down the computer through the
Start
menu.
2
Ensure that your computer and attached devices are turned off. If your computer and
attached devices did not automatically turn off when you shut down your computer, turn
them off now.
NOTICE: To disconnect a network cable, first unplug the cable from your computer and then unplug it
from the network wall jack.
3
Disconnect any telephone or telecommunication lines from the computer.
4
Disconnect your computer and all attached devices from electrical outlets, and then press the
power button to ground the system board.
5
If you have installed a padlock through the padlock ring on the back panel, remove
the padlock.
CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet
before opening the cover.
6
Lay the computer on its side as shown in the following illustrations.
NOTICE: Ensure that sufficient space exists to support the open cover—at least 30 cm (1 ft) of
desk top space.