Dell DX6112-SN, Руководство пользователя

Страница: 86 / 125

NOTE: You must route the cable properly to prevent it from being pinched or crimped.
10. Close the system.
11. Reconnect the system to its electrical outlet and turn the system on, including any attached peripherals.
12. If applicable, install the front bezel.
System Board
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 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, including any attached peripherals, and disconnect the system from the electrical outlet.
2. If installed, remove the front bezel.
3. Open the system.
4. Remove the following:
a) cooling shroud
b) cooling-fan assembly
c) power supply(s)
d) all expansion-card risers
e) integrated storage controller card
f) internal dual SD module
g) internal USB key (if installed)
h) PCIe card holder
i) cable retention bracket
j) if present, support bracket
NOTE: The support bracket is present on certain system configurations for protection during shipping and
can be discarded after removal.
CAUTION: To avoid damaging the mini SAS cable and connector, follow the correct procedure when
removing the mini SAS cable from the system board.
5. Disconnect the mini SAS cable from the system board:
a) Push the mini SAS cable connector to slide it further into the connector (J_SASX8) on the system board.
b) Press down and hold the metal tab on the mini SAS cable connector.
c) Pull the mini SAS cable out of the connector on the system board.
86