Dell Precision 350 User Manual page 78

1. If the release lever is not extended to the release position, move it to that position.
2. Align pin-1 (the imprinted corner) of the microprocessor and pin-1 of the socket.
1 pin-1 corners of
microprocessor and socket
aligned
NOTICE: Microprocessor pins are delicate. To avoid damage, ensure that the microprocessor aligns properly with the socket, and do not use excessive
force when you install the processor.
3. Carefully set the microprocessor in the socket and press it down lightly to seat it.
4. Rotate the release lever back toward the system board until it snaps into place, securing the microprocessor.
5. Place the heat sink in the base.
6. To replace the securing clips:
a. Fit the end of the clip that does not have a latch over a tab on the retention base.
b. Fit the middle of the clip over the middle tab on the retention base.
c. Press down the clip's latch so it fits over the tab and secures the clip to the retention base.
7. Lower the airflow shroud over the heat sink.
If you installed a microprocessor replacement kit from Dell, return the original heat sink assembly and microprocessor to Dell in the same package in
which your replacement kit was sent.
8. Reconnect the cooling fan power cable to the FAN connector on the system board.
9. Reconnect the power cable to the 12VPOWER connector on the system board.
10. 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.
11. Connect your computer and devices to electrical outlets, and turn them on.
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