66 Installing System Components
5
Replace the cooling shroud. See "Installing the Cooling Shroud" on
page55.
6
Close the system. See "Closing the System" on page 54.
7
Reconnect your system and peripherals to their electrical outlets,
and turn on the system.
8
Start up the system, press <F2> to enter the System Setup program,
andcheck the
System Memory
settings on the main System Setup screen.
The system should have already changed the value to reflect the newly
installed memory.
9
If the value is incorrect, one or more of the memory modules may not be
installed properly. Repeat step3 through step 8 of this procedure, checking
to ensure that the memory modules are firmly seated in their sockets.
Expansion-Card Riser and Expansion Card
CAUTION: Expansion cards can only be installed in the slots on the
expansion-card riser. Do not attempt to install expansion cards directly into the
riser connector on the system board.

Removing the Expansion-Card Riser

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.
1
Turn off the system, including any attached peripherals, and disconnect
the system from its electrical outlet.
2
Open the system. See "Opening the System" on page 53.
3
Remove the cooling shroud. See "Removing the Cooling Shroud" on
page54.
4
Remove the two screws that secure the expansion-card riser assembly.
5
Lift the expansion-card riser assembly out of the system board.
SeeFigure 3-10.
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