- Notes, cautions, and warnings
- Working inside your computer
- Removing and installing components
- Recommended tools
- Screw list
- Major components of Precision 3660 Tower
- Side cover
- Front bezel
- 3.5-inch hard-drive assembly
- Removing the 3.5-inch hard-disk drive assembly (Bay-1)
- Removing the 3.5-inch hard-disk drive assembly (Bay-2)
- Removing the 3.5-inch hard-disk drive bracket
- Installing the 3.5-inch hard-disk drive bracket
- Installing the 3.5-inch hard-disk drive assembly (Bay-2)
- Installing the 3.5-inch hard-disk drive assembly (Bay-1)
- Solid state drive
- WLAN card
- Coin-cell battery
- Memory module
- GPU end holder
- Expansion card
- Processor fan and heat-sink assembly
- Power-supply unit
- Liquid cooler
- Processor
- Voltage-regulator heat sink
- Chassis fan
- Power button
- Intrusion switch
- Internal speaker
- System board
- Software
- System setup
- Troubleshooting
- Getting help and contacting Dell
Precision 3660 Tower Service Manual
Installing the processor fan and 125 W heat-sink assembly
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
NOTE: If either the processor or the heat sink is replaced, use the thermal grease that is provided in the kit to ensure that thermal conductivity is achieved.
About this task
The following images indicate the location of the processor fan and 125 W heat-sink and provides a visual representation of the installation procedure.
Steps
- Align the screws on the processor fan and heat-sink assembly with the screw holders on the system board and place the processor fan and heat-sink assembly on the processor.
NOTE:Ensure that the triangle mark is directed towards the rear side of the computer.
- In the sequential order (1->2->3->4), tighten the captive screws to secure the processor fan and heat-sink assembly to the system board.
NOTE:Tighten the screws in a sequential order (1,2,3,4) as printed on the system board.
- Connect the processor-fan cable to the connector on the system board.
NOTE:Ensure to connect the cable to the corresponding connector with same color on the system board.
Next steps
- Install the side cover.
- Follow the procedure in after working inside your computer.
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