Dell Vostro 5402 Service Manual - Page 51

Installing the heat sink - UMA, Removing the heat sink - discrete

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Installing the heat sink - UMA Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The figure indicates the location of the heat sink and provides a visual representation of the installation procedure. Steps 1. Place the heat sink on the system board and align the screw holes on the heat sink with the screw holes on the system board. 2. In sequential order (as indicated on the heat sink), tighten the four captive screws that secure the heat sink to the system board. Next steps 1. Install the system fan. 2. Install the battery (3-cell or 4-cell) based on the configuration. 3. Install the base cover. 4. Follow the procedure in after working inside your computer. Removing the heat sink - discrete NOTE: The heat sink type in your computer varies depending on the configuration ordered. Prerequisites 1. Follow the procedure in before working inside your computer. 2. Remove the base cover. 3. Remove the battery (3-cell or 4-cell). 4. Remove the system fan. Disassembly and reassembly 51

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Installing the heat sink - UMA
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
The figure indicates the location of the heat sink and provides a visual representation of the installation procedure.
Steps
1.
Place the heat sink on the system board and align the screw holes on the heat sink with the screw holes on the system
board.
2.
In sequential order (as indicated on the heat sink), tighten the four captive screws that secure the heat sink to the system
board.
Next steps
1.
Install the
system fan
.
2.
Install the battery (
3-cell
or
4-cell
) based on the configuration.
3.
Install the
base cover
.
4.
Follow the procedure in
after working inside your computer
.
Removing the heat sink - discrete
NOTE:
The heat sink type in your computer varies depending on the configuration ordered.
Prerequisites
1.
Follow the procedure in
before working inside your computer
.
2.
Remove the
base cover
.
3.
Remove the battery (
3-cell
or
4-cell
).
4.
Remove the
system fan
.
Disassembly and reassembly
51