Dell 620s manual Removing the Processor Fan and Heat-Sink Assembly

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4.Connect the chassis fan cable to the system board connector, FAN_SYS1 (see System Board Components).

5.Replace the computer cover (see Replacing the Computer Cover).

Processor Fan and Heat-Sink Assembly

WARNING: Despite having a plastic shield, the processor fan and heat-sink assembly may be very hot during normal operation. Ensure that it has had sufficient time to cool before you touch it.

CAUTION: The processor fan and heat-sink assembly is a single unit. Do not try to remove the fan separately.

Removing the Processor Fan and Heat-Sink Assembly

1.Follow the instructions in Before You Begin.

2.Remove the computer cover (see Removing the Computer Cover).

3.Disconnect the processor fan cable from the system board connector, FAN_CPU (see System Board Components).

4.Using a flat-blade screwdriver, loosen the four captive screws that secure the processor fan and heat-sink assembly to the system board.

CAUTION: When you remove the processor fan and heat-sink assembly, lay it upside down or on its side to avoid damaging the heat-sink thermal interface.

5. Lift the processor fan and heat-sink assembly out of the computer.

1processor fan cable 2 processor fan and heat-sink assembly

3captive screws (4)

Replacing the Processor Fan and Heat-Sink Assembly

1.Follow the instructions in Before You Begin

2.Clean the thermal grease from the bottom of the heat-sink.

CAUTION: Ensure that you apply new thermal grease. New thermal grease is critical for ensuring adequate thermal bonding, which is a requirement for optimal processor operation.

3.Apply new thermal grease to the top of the processor.

4.Place the processor fan and heat-sink assembly over the processor.

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Contents Page Safety Instructions Technical Specifications Recommended ToolsBefore You Begin Turning Off Your ComputerBack to Contents Removing the Front Bezel Front BezelReplacing the Front Bezel Click Enter a Tag Flashing the BiosRemoving PCI Express Cards PCI Express CardsReplacing PCI Express Cards Page Installed Removed Sound Removing the Card Retention Bracket Card Retention BracketReplacing the Card Retention Bracket Back to Contents Removing the Coin-Cell Battery Coin-Cell BatteryReplacing the Coin-Cell Battery Back to Contents Removing the Computer Cover Computer CoverReplacing the Computer Cover Back to Contents Removing the Processor ProcessorReplacing the Processor Back to Contents Drives Removing the Hard-Drive AssemblyHard Drive Replacing the Hard-Drive Bezel Removing the Hard-Drive BezelOptical Drive Replacing the Hard-Drive AssemblyRemoving the Optical Drive Replacing the Optical Drive Chassis Fan FansRemoving the Chassis Fan Replacing the Chassis FanRemoving the Processor Fan and Heat-Sink Assembly Processor Fan and Heat-Sink AssemblyReplacing the Processor Fan and Heat-Sink Assembly Back to Contents Removing the Front I/O Panel Front I/O PanelReplacing the Front I/O Panel Removing the Memory Modules Memory ModulesReplacing the Memory Modules Back to Contents Removing the Power Supply Power SupplyReplacing the Power Supply Back to Contents Removing the Power Button Module Power Button ModuleReplacing the Power Button Module Back to Contents Removing the System Board System BoardReplacing the System Board Entering the Service Tag in the BiosEntering System Setup System SetupSystem Setup Options OverviewAdvanced Boot Options Boot SequenceClearing Cmos Passwords Clearing Forgotten PasswordsBack to Contents Inside View of Your Computer Technical OverviewSystem Board Components Fancpu
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