Dell XPS One 24 (Late 2008) - Manual (Page 40)

40 Replacing the Processor
12 Place the processor lightly in the socket and ensure that the processor is
positioned correctly.
13 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.
14 Pivot the socket release lever back towards the socket, and snap it into
place to secure the processor.
15 Clean the thermal grease from the bottom of the heat sink.
NOTICE: Ensure that you apply new thermal grease. New thermal grease is critical
for ensuring adequate thermal bonding, which is a requirement for optimal
processor operation.
16 Apply the new thermal grease to the top of the processor.
NOTICE: Ensure that the processor heat sink assembly is correctly seated and
secure.
17 Replace the processor heat sink assembly (see "Replacing the Processor
Heat Sink Assembly" on page 33).
18 Replace the top shield (see "Replacing the Top Shield" on page 15).
19 Replace the computer cover (see "Replacing the Computer Cover" on
page 11).
20 Connect your computer and all attached devices to electrical outlets, and
then turn them on.
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