58 Installing System Components
6
If applicable, replace the expansion-card riser. See "Installing the
Expansion-Card Riser" on page67.
7
Close the system. See "Closing the System" on page 54.
8
Reconnect the system and peripherals to their electrical outlets, and turn
on the system.
Processor 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.
Removing the Processor
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 heat sink. See "Removing the Heat Sink" on page56.
CAUTION: The processor is held in its socket under strong pressure. Be aware
that the release lever can spring up suddenly if not firmly grasped.
5
Position your thumb firmly over the processor socket-release lever and
release the lever from the locked position. Rotate the lever 90 degrees
upward until the processor is released from the socket. See Figure3-8.
6
Rotate the processor shield upward and out of the way.
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