Dell Vostro 3681, Service Manual

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Steps
1. Slide the power-supply unit into the chassis until the securing tab snaps into position.
2. Replace the three screws (#6-32) that secure the power-supply unit to the chassis.
3. Route the power cable through the routing guides on the chassis and connect the power cables to their respective connectors on the
system board.
Next steps
1. Install the HDD/ODD Bracket .
2. Install the front bezel .
3. Install the side cover .
4. Follow the procedure in After working inside your computer .
Heatsink assembly
Removing the heatsink assembly
Prerequisites
1. Follow the procedure in Before working inside your computer .
WARNING: 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.
2. Remove the side cover .
About this task
The following images indicate the location of the processor fan and 65 W heat-sink assembly and provide a visual representation of the
removal procedure.
Disassembly and reassembly 45