Dell XPS 15 9570 XPS 15 Service Manual - Page 41

Removing the heat sink, Prerequisites, Procedure

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23 Removing the 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. WARNING: The heat sink may become hot during normal operation. Allow sufficient time for the heat sink to cool before you touch it. 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. Prerequisites 1 Remove the base cover. 2 Remove the battery (half-length) or the battery (full-length). Procedure 1 In sequential order (indicated on the heat sink), remove the five screws (M2x3) that secure the heat sink to the system board. NOTE: The fifth screw is covered by tape. Remove this screw before lifting the heat sink from the system board. NOTE: Depending on the configuration ordered, some configurations may have four screws (M2x3). 2 Lift the heat sink off the system board. Figure 21. Removing the heat sink 1 heat sink 2 screws (5) Removing the heat sink 41

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Removing the 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
.
WARNING:
The heat sink may become hot during normal operation. Allow
sufficient
time for the heat sink to cool before you
touch it.
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.
Prerequisites
1
Remove the
base cover
.
2
Remove the
battery (half-length)
or the
battery (full-length)
.
Procedure
1
In sequential order (indicated on the heat sink), remove the
five
screws (M2x3) that secure the heat sink to the system board.
NOTE:
The
fifth
screw is covered by tape. Remove this screw before lifting the heat sink from the system
board.
NOTE:
Depending on the
configuration
ordered, some
configurations
may have four screws
(M2x3).
2
Lift the heat sink
off
the system board.
Figure 21. Removing the heat sink
1
heat sink
2
screws (5)
23
Removing the heat sink
41