Dell OptiPlex 7090 Tower Service Manual - Page 36

Removing the processor fan and 65 W heat-sink assembly

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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 1. 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. 2. 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. 3. Connect the processor-fan cable to the connector on the system board. Next steps 1. Install the side cover. 2. Follow the procedure in after working inside your computer. Removing the processor fan and 65 W heat-sink 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. 36 Removing and installing components

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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
1.
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.
2.
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.
3.
Connect the processor-fan cable to the connector on the system board.
Next steps
1.
Install the
side cover
.
2.
Follow the procedure in
after working inside your computer
.
Removing the processor fan and 65 W heat-sink 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.
36
Removing and installing components