Disconnect the cooling fan power cable from the fan connector on the system board.
Disconnect the power cable from the power connector on the system board.
Lift up the airflow shroud.
Processor
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.
NOTICE: To prevent static damage to components inside your computer, discharge static electricity
from your body before you touch any of your computer's electronic components. You can do so by
touching an unpainted metal surface on the computer.
CAUTION: The heat sink can get very hot during normal operation. Be sure that the heat sink has had sufficient time to cool before you touch it.
Remove the heat sink:
Remove the retention module clips. Press the tabs toward the center of the clip and lift
up.
On the retention base locate the tab opposite the power supply. Press on the retention
base tab until the heat sink pops up slightly.
Press out on the second retention tab while lifting the heat sink up and out of the
retention base.
NOTICE: Lay the heat sink down on its side.Do not touch or remove the thermal grease on the bottom of
the heat sink.
1
retention tab
2
heat sink
3
retention base
NOTICE: If you are installing a processor upgrade kit from Dell, discard the original heat sink. If you are
not installing a processor upgrade kit from Dell, reuse the original heat sink and blower when you install
your new processor.
Push down and out on the socket release lever.
Open the processor cover.
1
processor cover
2
processor
3
socket
4
socket
Remove the processor from the socket.
Leave the release lever extended in the release position so that the socket is ready for the new processor.
Installing the Processor
NOTICE: Ground yourself by touching an unpainted metal surface on the back of the computer.
Unpack the new processor.
NOTICE: You must position the processor correctly in the socket to avoid permanent damage to the
processor and the computer when you turn on the computer.
If the release lever on the socket is not fully extended, move it to that position.
Align the pin-1 corners of the processor and socket.
NOTICE: To avoid damage, ensure that the processor aligns properly with the socket, and do not use
excessive force when you install the processor.
1
processor cover
2
processor
3
socket
4
socket release lever
5
pin-1 corner
6
notch (2)
NOTICE: Be careful not to touch or bend the pins on the system board.
Set the processor lightly in the socket and ensure that the processor is level in the socket.
When the processor is positioned correctly, press it with minimal pressure to seat it.
When the processor is fully seated in the socket, close the processor cover.
Ensure that the tab on the processor cover is positioned underneath the center cover latch on the socket.
Pivot the socket release lever back toward the socket and snap it into place to secure the
processor.
NOTICE: If you are not installing a processor upgrade kit from Dell, reuse the original heat sink assembly
when you replace the processor.
If you installed a processor replacement kit from Dell, return the original heat sink assembly and processor to Dell in the same package in which your replacement kit was sent.
Install the heat sink:
Slide one end of the heat sink under the retention tab.
Pull out the other retention tab and lower the heat sink until it fits securely in the base.
NOTICE: Ensure the heat sink is correctly seated and secure.
Reinstall the retention module clips.
Lower the airflow shroud over the heat sink.
Reconnect the cooling fan power cable to the fan connector on the system board.
Reconnect the power cable to the power connector on the system board.
