Dell 14" Mobile Precision 3470 Mobile Workstation (Silver) - Manual (Page 39)

Steps
1. Align the screw holes on the heat sink and fan assembly with the screw holes on the system board.
2. In sequential order (as indicated on the heat sink), tighten the four screws (M2x3) that secure the heat sink and fan
assembly to the system board.
3. Replace the two screws (M2x5) that secure the system fan to the frame.
4. Connect the system fan cable to the connector on the system board.
Next steps
1. Install the base cover .
2. Install the microSD card .
3. Follow the procedure in After working inside your computer .
Speakers
Removing the speakers
Prerequisites
1. Follow the procedure in Before working inside your computer .
2. Remove the microSD card .
3. Remove the base cover .
4. Remove the battery .
5. Remove the assembly inner frame .
About this task
The following image indicates the location of the speakers and provide a visual representation of the removal procedure.
Removing and installing components 39