Dell XPS 13 9300 Service Manual - Page 22

Heat sink, Removing the heat sink - skin

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Next steps 1. Install the base cover. 2. Follow the procedure in After working inside your computer. Heat sink Removing the heat sink Prerequisites 1. Follow the procedure in Before working inside your computer. 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. NOTE: The heat sink may become hot during normal operation. Allow sufficient time for the heat sink to cool before you touch it. 2. Remove the base cover. About this task The following image indicates the location of the heat sink and provides a visual representation of the removal procedure. Steps 1. In reverse sequential order (as indicated on the heat sink), loosen the four captive screws that secure the heat sink to the system board. 2. Lift the heat sink off the system board. Installing the heat sink Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. CAUTION: Incorrect alignment of the heat sink can damage the system board and processor. 22 Removing and installing components

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Next steps
1.
Install the
base cover
.
2.
Follow the procedure in
After working inside your computer
.
Heat sink
Removing the heat sink
Prerequisites
1.
Follow the procedure in
Before working inside your computer
.
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.
NOTE:
The heat sink may become hot during normal operation. Allow sufficient time for the heat sink to cool before
you touch it.
2.
Remove the
base cover
.
About this task
The following image indicates the location of the heat sink and provides a visual representation of the removal procedure.
Steps
1.
In reverse sequential order (as indicated on the heat sink), loosen the four captive screws that secure the heat sink to the system
board.
2.
Lift the heat sink off the system board.
Installing the heat sink
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
CAUTION:
Incorrect alignment of the heat sink can damage the system board and processor.
22
Removing and installing components