Removing and installing parts, Removing the computer cover – Dell Dimension 9200 User Manual
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Removing and Installing Parts
Dell™ XPS™ 410 Service Manual
This chapter provides procedures for removing and installing the components in your computer. Unless otherwise noted, each procedure assumes that the
following conditions exist:
l
You have performed the steps in
Turning Off Your Computer
and
Before Working Inside Your Computer
.
l
You have read the safety information in your Dell™
Product Information Guide.
l
A component can be replaced by performing the removal procedure in reverse order.
l
You have the tools listed in
Recommended Tools
.
l
You are familiar with
Turning Off Your Computer
.
When working inside the computer, be aware that the heat-sink assembly may be very hot during normal operation. Be sure that it has had sufficient time to
cool before you touch it.
Removing the Computer Cover
1.
Follow the procedures in
Before You Begin
.
2.
If you have installed a security cable, remove it from the security cable slot.
3.
Lay your computer on its side with the computer cover facing up.
4.
Pull back the cover release latch on the top panel.
CAUTION:
Before you perform 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.
NOTICE:
Before touching anything inside your computer, ground yourself by touching an unpainted metal surface, such as the metal at the back of the
computer. While you work, periodically touch an unpainted metal surface to dissipate any static electricity that could harm internal components.
NOTICE:
Ensure that sufficient space exists to support the removed cover—at least 30 cm (1 ft) of desk top space.
NOTICE:
Ensure that you are working on a level, protected surface to avoid scratching either the computer or the surface on which it is resting.