Dell OptiPlex 7090 Tower Service Manual - Page 32

Processor fan and heat-sink assembly, Removing the processor fan and 125 W heat-sink assembly

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Steps 1. Align the notch on the memory module with the tab on the memory-module slot. 2. Slide the memory module firmly into the slot at an angle and press the memory module down until it clicks into place. NOTE: If you do not hear the click, remove the memory module and reinstall it. Next steps 1. Install the side cover. 2. Follow the procedure in after working inside your computer. Processor fan and heat-sink assembly Removing the processor fan and 125 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. 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 125 W heat-sink assembly and provide a visual representation of the removal procedure. 32 Removing and installing components

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Steps
1.
Align the notch on the memory module with the tab on the memory-module slot.
2.
Slide the memory module firmly into the slot at an angle and press the memory module down until it clicks into place.
NOTE:
If you do not hear the click, remove the memory module and reinstall it.
Next steps
1.
Install the
side cover
.
2.
Follow the procedure in
after working inside your computer
.
Processor fan and heat-sink assembly
Removing the processor fan and 125 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.
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 125 W heat-sink assembly and provide a visual
representation of the removal procedure.
32
Removing and installing components