Dell XPS 13 7390 Service Manual - Page 33

Removing the heat-sink assembly, Prerequisites, Procedure

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18 Removing the heat-sink assembly NOTE: 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. NOTE: 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. Topics: • Prerequisites • Procedure Prerequisites 1. Remove the base cover. 2. Remove the battery. Procedure The following procedure applies only to computers shipped with heat-sink assembly (combined heat sink and fans). 1. Remove the screw (M1.6x3) that secures the wireless antenna and camera-cable bracket to the system board. 2. Lift the wireless antenna and camera-cable bracket from the system board. 3. Disconnect and lift the wireless antenna and camera-cable bracket from the system board, peeling off the tape securing the camera cable to the heat-sink assembly. 4. Disconnect the left-fan cable from the system board. 5. Disconnect the right-fan cable from the system board. Removing the heat-sink assembly 33

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Removing the heat-sink assembly
NOTE:
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
.
NOTE:
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.
Topics:
•
Prerequisites
•
Procedure
Prerequisites
1.
Remove the
base cover
.
2.
Remove the
battery
.
Procedure
The following procedure applies only to computers shipped with heat-sink assembly (combined heat sink and fans).
1.
Remove the screw (M1.6x3) that secures the wireless antenna and camera-cable bracket to the system board.
2.
Lift the wireless antenna and camera-cable bracket from the system board.
3.
Disconnect and lift the wireless antenna and camera-cable bracket from the system board, peeling off the tape securing the camera
cable to the heat-sink assembly.
4.
Disconnect the left-fan cable from the system board.
5.
Disconnect the right-fan cable from the system board.
18
Removing the heat-sink assembly
33