- Notes, cautions, and warnings
- Working inside your computer
- Removing and installing components
- Recommended tools
- Screw list
- Major components of Precision 5860 Tower
- Side cover
- Front bezel
- I/O bracket
- External storage flexbay (Hard drive)
- Removing the hard-drive assembly
- Installing the hard-drive assembly
- Removing a 3.5-inch hard-drive from a hard-drive assembly
- Installing a 3.5-inch hard-drive from hard-drive assembly
- Removing a 2.5-inch hard-disk drive from a hard-drive assembly
- Installing a 2.5-inch hard-drive from a hard-drive assembly
- External storage flexbay (Solid-state drive)
- Slim optical-drive
- Top cover
- Air shroud
- PCIe holder
- Front fan
- 3.5-inch hard-drive assembly
- 2.5-inch hard-drive assembly
- Hard-drive fan assembly
- Bottom air-shroud
- Internal hard-drive cage
- Rear fans
- Memory module
- M.2 solid state drive
- Heat sink
- Processor
- Coin-cell battery
- Expansion card
- Removing the powered graphics-card
- Installing the powered graphics-card
- Removing the non-powered graphics card
- Installing the non-powered graphics card
- Removing the UltraSpeed Duo card
- Installing the UltraSpeed Duo card
- Removing the UltraSpeed Quad card
- Installing the UltraSpeed Quad card
- Removing the Thunderbolt PCIe card
- Installing the Thunderbolt PCIe card
- Removing the wireless card
- Installing the wireless card
- Speaker
- Intrusion switch
- Voltage-regulator heat sink
- Removing the voltage-regulator heat sink - Location 1
- Installing the voltage-regulator heat sink - Location 1
- Removing the voltage-regulator heat sink - Location 2
- Installing the voltage-regulator heat sink - Location 2
- Removing the voltage-regulator heat sink - Location 3
- Installing the voltage-regulator heat sink - Location 3
- Power-supply unit
- System board
- Rail kit
- Drivers and downloads
- BIOS Setup
- Troubleshooting
- Getting help and contacting Dell
Precision 5860 Tower Service Manual
Installing the heat-sink assembly
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
NOTE: Refer to the instructions provided with the kit for steps on how to apply the thermal grease.
About this task
The following images indicate the location of the heat-sink assembly and provides a visual representation of the installation procedure.
The image of the heat-sink assembly may vary depending on the configuration ordered.
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.
- In sequential order (1->2->3->4), tighten the captive screws to secure the processor fan and heat-sink assembly to the system board.
NOTE:The numbering and order in which to tighten the screws is printed on the heat-sink assembly.
Next steps
- Install the air shroud.
- Install the side cover.
- Follow the procedure in After working inside your computer.
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