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102 Removing and Installing Parts
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7
Install the heat sink:
a
Slide one end of the heat sink under the retention tab.
b
Pull out the other retention tab and lower the heat sink until it fits securely in the base.
NOTICE: Ensure the heat sink is correctly seated and secure.
8
Reinstall the retention module clips.
9
Lower the airflow shroud over the heat sink.
10
Reconnect the cooling fan power cable to the
REAR FAN1 connector (see "System Board
Components" on page 69) on the system board.
11
Reconnect the power cable to the 12V PWR
connector (see "System Board Components" on
page 69) on the system board.
12
Close the computer cover.
NOTICE: To connect a network cable, first plug the
cable into the network wall jack and then plug it into
the computer.
13
Connect your computer and devices to
electrical outlets, and turn them on.
Front Panel
CAUTION: To prevent static damage to components inside your computer, discharge static electricity
from your body before you touch any of your computer’s electronic components. You can do so by
touching an unpainted metal surface on the computer chassis.
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions
located in the Product Information Guide.
Removing the Front Panel
1
Follow the procedures in "Before You Begin" on page 61.
2
Disconnect and remove all disk drives (for more information, see "Drives" on page 82).
3
Release the front panel by pressing each of the seven front-panel release tabs.