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Installing System Components | 95
System Board
Removing a 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 Turn off the system and attached peripherals, and disconnect the
system from the electrical outlet.
2 Remove the system-board assembly. See "Removing a System-Board
Assembly" on page 68.
3 Remove the heat sink. See "Removing the Heat Sink" on page 70.
4 Remove the expansion-card assembly. See "Removing the Expansion
Card
" on page 75.
5 If installed, remove the SAS daughter card. See "Removing the SAS
Daughter Card" on page 80.
6 Disconnect the hard drive and power cables from the system board.
7 Remove the eight screws and then slide the system board. See Figure 3-
19
.
CAUTION: Do not lift the system board by grasping a memory module, processor,
or other components.
8 Grasp the system board by the edges and lift the system board away
from the system-board assembly. See Figure 3-19.