Disconnect the cooling fan power cable from the FAN connector on the system board.
Disconnect the power cable from the 12VPOWER connector on the system board.
Lift up the airflow shroud.
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:
Press and lower the green lever on the retention mechanism until it is parallel to the
system board.
Gently rock the heat sink and then slightly twist it as you lift it from the processor.
1
heat sink
2
lever
3
retention base
NOTICE: Lay the heat sink down with the thermal solution facing upward.
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.
Pull the release lever straight up until the processor is released.
NOTICE: Be careful not to bend any of the pins when you remove the processor from the socket.
Bending the pins can permanently damage the processor.
1
release lever
2
processor
3
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: You must position the processor correctly in the socket to avoid permanent damage to the
processor and the computer.
If the release lever is not extended to the release position, move it to that position.
Align pin 1 (the imprinted corner) of the processor and pin 1 of the socket.
1
pin-1 corners of processor and socket aligned
NOTICE: Processor pins are delicate. To avoid damage, ensure that the processor aligns properly with
the socket, and do not use excessive force when you install the processor.
Carefully set the processor in the socket and press it down lightly to seat it.
Rotate the release lever back toward the system board until it snaps into place, securing the
processor.
Install the heat sink:
Insert the notched end of the heat sink onto the end of the retention base that is opposite
the hinge.
Lower the heat sink until it fits securely in the base.
Raise the retention lever and press until the heat sink is secured. You will feel the lever pause
once it is at a 90-degree angle. Keep pressing the lever another 30 degrees, ensuring that it is
in the locked position.
1
heat sink
2
lever
3
hinge
4
retention base
5
notch
Lower the airflow shroud over the heat sink.
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.
Reconnect the cooling fan power cable to the FAN connector on the system board.
Reconnect the power cable to the 12VPOWER connector on the system board.
Close the computer cover.
NOTICE: To connect a network cable, first plug the cable into the network wall jack, and then plug it into
the computer.
Connect your computer and devices to electrical outlets, and turn them on.
After you open and close the cover, the chassis intrusion detector, if enabled, causes the following message to appear on the screen at the next computer start-up:
NOTE: If a setup password has been assigned by someone else, contact your network
administrator for information on resetting the chassis intrusion detector.
*Offers subject to change. Taxes, shipping, handling and other fees apply. U.S. Dell Small Business new purchases only. LIMIT 5 DISCOUNTED OR PROMOTIONAL ITEMS PER CUSTOMER. LIMIT 5 VOSTRO OR INSPIRON UNITS PER CUSTOMER. Dell reserves right to cancel orders arising from pricing or other errors.
