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h) internal dual SD module
i) expansion card holder
NOTE: It is recommended that you remove the power distribution board before removing the system board
from the chassis.
5. Disconnect all other cables from the system board.
CAUTION: Do not lift the system board assembly by grasping a memory module, processor, or other
components.
6. Remove the nine screws on the system board and slide the system board toward the front of the system.
7. Slide the system board toward the front of the system.
Figure 60. Removing and Installing the System Board
1. screws (9)
2. system board
Installing 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.
1. Unpack the new system board assembly.
2. Transfer the following components to the new system board:
a) heat sink(s)/heat-sink blank(s) and processors(s)/processor blank(s)
b) memory modules and memory module blanks
CAUTION: Do not lift the system board assembly by grasping a memory module, processor, or other
components.
CAUTION: Take care not to damage the system identification button while placing the system board into the
chassis.
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