124 Installing System Components
System Board

Removing the System Board

CAUTION: Many repairs may only be done by a certified service technician.
Youshould only perform troubleshooting and simple repairs as authorized in
yourproduct documentation, or as directed by the online or telephone service
andsupport 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
withthe product.
CAUTION: If you are using the Trusted Program Module (TPM) with an encryption
key, you may be prompted to create a recovery key during program or system
setup. Be sure to create and safely store this recovery key. If you replace this
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 drives.
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 64.
3
Remove the cooling shroud. See "Removing the Cooling Shroud" on
page66.
4
Remove the power supplies. See "Removing a Power Supply" on page78.
5
Remove all expansion cards and, if applicable, the storage controller card.
See "Removing an Expansion Card" on page92 and "Removing the Storage
Controller Card" on page95.
6
Remove the expansion-card riser. See "Removing an Expansion-Card
Riser" on page 93.
7
Remove the heat sinks, processors and heat-sink blanks. See "Removing a
Processor" on page103.
8
If installed, remove the iDRAC6 Enterprise card. See "Removing an
iDRAC6 Enterprise Card" on page102.
9
If installed, remove the iDRAC6 Express card. See "Removing an iDRAC6
Express Card" on page99.
10
Disconnect all cables from the system board.
11
Remove the nine screws securing the system board to the chassis andthen
slide the system board assembly toward the front end of thechassis.
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