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22
Installation precautions
Before you install any computer component, we recommend that you read the
following sections. These sections contain important ESD precautions along with
preinstallation and post-installation instructions.
ESD precautions
Electrostatic discharge (ESD) can damage your processor, disk drives, expansion
boards, and other components. Always observe the following precautions before
you install a computer component:
1
Do not remove a component from its protective packaging until you are ready
to install it.
2
Wear a wrist grounding strap and attach it to a metal part of the computer
before handling components. If a wrist strap is not available, maintain contact
with the computer throughout any procedure requiring ESD protection.
Preinstallation instructions
Always observe the following before you install any component:
1
Turn off your computer and all the peripherals connected to it before opening
it. Then unplug all cables from the power outlets.
2
Open your computer according to the instructions on page 23.
3
Follow the ESD precautions described above before handling a computer
component.
4
Remove any expansion boards or peripherals that block access to the DIMM
sockets or component connectors.
5
See the following sections for specific instructions on the component you wish
to install.
Warning! Not turning off the computer properly before you start installing
the components may cause serious damage. Do not attempt the
procedures described in the following sections unless you are a qualified
service technician.
5 Upgrading your computer
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