Owner`s manual

54 | Replacing the Processor Heat-Sink
Replacing the Processor Heat-Sink
WARNING: B efore working inside your computer, read the safety information
that shipped with your computer and follow the steps in "Before You Begin" on
page 9. After working inside your computer, follow the instructions in
"After Working Inside Your Computer" on page 11. For additional safety best
practices information, see the Regulatory Compliance Homepage at
dell.com/regulatory_compliance.
CAUTION: Incorrect alignment of the processor heat-sink can cause damage to
the system board and processor.
Procedure
NOTE: The original thermal grease can be reused if the original processor and
processor heat-sink are reinstalled together. If either the processor or the
processor heat-sink is replaced, use the thermal grease provided in the kit to ensure
that thermal conductivity is achieved.
1 Clean the thermal grease from the bottom of the processor heat-sink and
reapply the thermal grease.
2 Slide the slot on the processor heat-sink into the tab on the chassis.
3 Align the captive screws on the processor heat-sink with the screw holes on the
system board.
4 In sequential order (indicated on the processor heat-sink), tighten the
captive screws that secure the processor heat-sink to the system board.
Postrequisites
1 Replace the system-board shield. See "Replacing the System-Board Shield" on
page 38.
2 Replace the back cover. See "Replacing the Back Cover" on page 20.
3 Replace the stand. See "Replacing the Stand" on page 18.
4 Replace the stand cover. See "Replacing the Stand Cover" on page 16.
5 Follow the instructions in "After Working Inside Your Computer" on page 11.
book.book Page 54 Thursday, April 11, 2013 12:21 PM