Dell XPS 27 7760 XPS 27 Service Manual - Page 45

Replacing the processor heat-sink, Procedure, Post-requisites

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Replacing the processor heatsink WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. CAUTION: For maximum cooling of the processor, do not touch the heat transfer areas on the heat sink. The oils in your skin can reduce the heat transfer capability of the thermal grease. Procedure 1 Align the captive screws on the processor heat-sink with the screw holes on the system board. 2 In sequential order (indicated on the processor heat-sink), tighten the captive screws that secure the processor heat-sink to the system board. 3 Replace the screw (M3X4) that secures the processor heat-sink fan to the middle frame. Post-requisites 1 Replace the system-board shield. 2 Replace the back cover. 3 Replace the USB dongle-bay cover. 45

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Replacing the processor heat-
sink
WARNING: Before working inside your computer, read the safety
information that shipped with your computer and follow the steps in
Before
working inside your computer
. After working inside your computer, follow
the instructions in
After working inside your computer
. For more safety best
practices, see the Regulatory Compliance home page at
www.dell.com/
regulatory_compliance
.
CAUTION: For maximum cooling of the processor, do not touch the heat
transfer areas on the heat sink. The oils in your skin can reduce the heat
transfer capability of the thermal grease.
Procedure
1
Align the captive screws on the processor heat-sink with the screw holes on the
system board.
2
In sequential order (indicated on the processor heat-sink), tighten the captive
screws that secure the processor heat-sink to the system board.
3
Replace the screw (M3X4) that secures the processor heat-sink fan to the
middle frame.
Post-requisites
1
Replace the
system-board shield
.
2
Replace the
back cover
.
3
Replace the
USB dongle-bay cover
.
45