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128 Installing System Components
Installing the Control Panel
1
Insert the control panel into the system as shown in Figure 3-33.
2
Install the two screws to secure the control panel to the system (see
Figure 3-33).
3
Connect the control panel cable to the back of the control panel (see
Figure 3-33).
4
Replace the system cover (see "Installing the System Cover" on page 67)..
System Board (Service Only Procedure)
CAUTION: Only trained service technicians are authorized to remove the system
cover and access any components inside the system. Before performing any
procedure, see your Product Information Guide for complete information about
safety precautions, working inside the computer, and protecting against
electrostatic discharge.
CAUTION: The heat sink can get hot during operation. To avoid burns, ensure that
the system has sufficient time to cool before removing the system board.
NOTICE: If you are using the Trusted Platform Module (TPM) with an encryption
application, you may be prompted to create a recovery key during system or
application setup. Be sure to create and safely store this recovery key. If you ever
need to replace the system board, you must supply the recovery key when you
restart your system or application before you can access the encrypted data on
your hard drive(s).
Removing the System Board
1
Turn off the system and attached peripherals, and disconnect the system
from the electrical outlet and from the peripherals.
2
Remove the system cover (see "Removing the System Cover" on page 66).
3
Remove the processor airflow shroud (see "Removing the Processor Airflow
Shroud" on page 70).
4
Disconnect all cables from the system board.
5
Remove all expansion cards and any attached cables (see "Removing an
Expansion Card" on page 93).
6
Remove the RAC card, if applicable (see "Removing the RAC Card" on
page 101).