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94 Installing System Components
5
Connect the control-panel cable to the system board.
6
Replace the front bezel. See "Installing the Front Bezel" on page 48.
7
Close the system. See "Closing the System" on page 46.
8
Reconnect the system to its electrical outlet and turn the system on,
including any attached peripherals.
System Board
Removing the System Board
WARNING: 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.
CAUTION: Many repairs may only be done by a certified service technician. You
should only perform troubleshooting and simple repairs as authorized in your
product documentation, or as directed by the online or telephone service and
support team. Damage due to servicing that is not authorized by Dell is not covered
by your warranty. Read and follow the safety instructions that came with the
product.
CAUTION: If you are using the Trusted Platform Module (TPM) with an encryption
program, you may be prompted to create a recovery key during system or program
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 program before you can access the encrypted data on your hard drive(s).
1
Turn off the system and attached peripherals, and disconnect the system
from the electrical outlet.
2
Open the system. See "Opening the System" on page 45.
3
Remove expansion-card stabilizer. See "Removing the Expansion-Card
Stabilizer" on page 65.
4
Remove the cooling shroud. See "Removing the Cooling Shroud" on
page 66.
5
Disconnect all cables from the system board.
6
Remove the cooling fan. See "Removing the Cooling Fan" on page 82.
7
Remove all expansion cards and any attached cables. See "Removing an
Expansion Card" on page 69.