A SERVICE OF

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4. Connect the display module cable to the control panel board. See Figure3-31.
5. Connect the control panel cable to the control panel board. See Figure3-31.
6. Close the system. See Closing the System.
7. Reconnect the system to the power source and turn on the system and attached peripherals.
8. If applicable, install the bezel.
System Board
Removing the System Board
1. Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
2. Open the system. See Opening the System.
3. If applicable, remove any expansion cards. See Removing an Expansion Card.
4. Remove the power supplies. See Removing a Power Supply.
5. Remove the expansion-card risers. See Expansion-Card Risers.
6. Remove the cooling shrouds. See Removing the Memory Module Cooling Shrouds.
7. Remove the cooling fans. See Removing a System Fan.
8. Remove the fan brackets. See Removing the Fan Brackets.
9. Remove the LOM daughter card. See Removing the LOM Daughter Card.
10. If applicable, remove the RAC card. See Removing the RAC Card.
11. Remove the memory modules. See Removing Memory Modules.
12. Remove the heatsinks and microprocessors. See Removing a Processor.
13. Remove the LOM NIC hardware key, if present. See Figure6-2 for the location of the TOE_KEY socket.
14. Remove the SAS controller card. See Removing a SAS Controller Daughter Card.
15. Remove the sideplane. See Removing the Sideplane Board.
16. Remove the system board:
a. Pull the system-board tray riser release pin. See Figure3-32.
b. While pulling the release pin, slide the system-board tray toward the front of the chassis.
c. Lift up the system-board tray and remove it from the chassis.
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: The DIMMs are hot to the touch for some time after the system has been powered down. Allow time for the DIMMs to cool before
handling them. Handle the DIMMs by the card edges and avoid touching the DIMM components.
NOTE: While removing the memory modules, record the memory module socket locations to ensure proper installation.
NOTE: If the board is to be returned for repair, remove the protective ZIF socket shields from the new system board and install them over the
processor sockets on the removed system board to prevent damage to the pins during shipping.