Dell Latitude 7340 Service Manual - Page 32

Heat-sink, Removing the heat-sink

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Steps 1. Place the thermal fan from the system board. 2. Align the screw holes on the thermal module to the screw holes on the system board. 3. Replace the single screw (M2x4) securing a fan. 4. Connect the thermal-fan cable to the connector on the system board. 5. Connect the cables to the connector and place the cables to the cable routing guides. 6. Replace three screws (M2x3) securing WLAN and WWAN brackets on the system board. 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. 2. Remove the base cover. About this task NOTE: The heat-sink may become hot during normal operation. Allow sufficient time for the heat-sink to cool before you touch it. NOTE: 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. The following image indicates the location of the heat-sink and provides a visual representation of the removal procedure. 32 Removing and installing components

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Steps
1.
Place the thermal fan from the system board.
2.
Align the screw holes on the thermal module to the screw holes on the system board.
3.
Replace the single screw (M2x4) securing a fan.
4.
Connect the thermal-fan cable to the connector on the system board.
5.
Connect the cables to the connector and place the cables to the cable routing guides.
6.
Replace three screws (M2x3) securing WLAN and WWAN brackets on the system board.
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
.
2.
Remove the
base cover
.
About this task
NOTE:
The heat-sink may become hot during normal operation. Allow sufficient time for the heat-sink to cool before you
touch it.
NOTE:
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.
The following image indicates the location of the heat-sink and provides a visual representation of the removal procedure.
32
Removing and installing components