Dell XPS 410 (Mid 2007) - Manual (Page 41)

5. Set the processor lightly in the socket and ensure that the processor is positioned correctly.
6. When the processor is fully seated in the socket, close the processor cover.
Ensure that the securing tab on the processor cover is positioned underneath the center cover latch on the socket.
7. Pivot the socket release lever back toward the socket and snap it into place beneath the securing tab.
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.
8. Install the heat-sink assembly:
a. Place the heat-sink assembly back onto the heat-sink assembly bracket.
b. Rotate the heat-sink assembly down towards the computer base and tighten the two captive screws.
9. Place the floppy ribbon cable back across the top of the processor shroud inserting the sides under the clips. Ensure that the cable does not block
airflow from the fan and cooling vents
1 processor cover 2 securing tab 3 processor
4 processor socket 5 center cover latch 6 release lever
7 front alignment notch 8 socket and processor pin-1 indicator 9 rear alignment notch
NOTICE: To avoid damage, ensure that the processor aligns properly with the socket, and do not use excessive force when you install 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.
NOTICE: Ensure that the heat sink is correctly seated and secure.
1 heat sink and fan shroud
assembly
2 heat-sink assembly
bracket
3 captive screw housing
(2)