- Notes, cautions, and warnings
- Working inside your computer
- Removing and installing components
- Recommended tools
- Screw List
- Major components of your system
- Side cover
- Front bezel
- Hard-drive assembly
- Removing the primary 2.5-inch hard-drive assembly
- Removing the secondary 2.5-inch hard-disk drive assembly
- Removing the 2.5-inch hard-disk drive bracket
- Installing the 2.5-inch hard-disk drive bracket
- Installing the secondary 2.5-inch hard-disk drive assembly
- Installing the primary 2.5-inch hard-drive assembly
- 3.5 in. hard-drive assembly
- Solid-state drive
- Memory module
- Processor fan and heat-sink assembly
- Processor
- Graphics card
- Graphical processing unit
- Coin-cell battery
- WLAN card
- Slim optical-drive
- Slim optical-drive bracket
- Chassis fan
- Voltage regulator heat sink
- Speaker
- Power button
- Power-supply unit
- Intrusion switch
- Optional I/O modules (Type C/ HDMI/VGA/DP/Serial)
- System board
- Software
- System setup
- Troubleshooting
- Getting help and contacting Dell
OptiPlex 7090 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 image indicates 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 heat-sink assembly.
- Connect the processor-fan cable to the connector on the system board.
Next steps
- Install the side cover.
- Follow the procedure in after working inside your computer.
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