Dell 660S - page 64

60 Processor Fan and Heat-Sink Assembly

Procedure

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: To ensure maximum cooling for the processor, do not touch the heat

transfer areas on the processor fan and heat-sink assembly. The oils in your skin

can reduce the heat transfer capability of the thermal grease.

Disconnect the processor fan cable from the system-board connector

(FANCPU1). See "System Board Components" on page15.

Using a flat-blade screwdriver loosen the four captive screws that secure

the processor fan and heat-sink assembly to the system board.

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

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

3 captive screws (4)

book.book Page 60 Thursday, April 5, 2012 5:38 PM

Contents

Main Notes, Cautions, and Warnings ____________________ Contents 1 Before You Begin. . . . . . . . . . . . . . . . . . . . 9 4 Computer Cover. . . . . . . . . . . . . . . . . . . . 17 5 Fan Shroud . . . . . . . . . . . . . . . . . . . . . . . 19 4 6 Memory Module(s). . . . . . . . . . . . . . . . . 21 7 PCI-Express Cards 8 Mini-Card 9 Front Bezel. . . . . . . . . . . . . . . . . . . . . . . 33 10 Drive Cage . . . . . . . . . . . . . . . . . . . . . . . 37 11 Optical Drive . . . . . . . . . . . . . . . . . . . . . . 41 12 Hard Drive . . . . . . . . . . . . . . . . . . . . . . . . 43 13 Front I/O Panel . . . . . . . . . . . . . . . . . . . . 47 14 Power-Button Module. . . . . . . . . . . . . . . 51 15 Power-Supply Unit. . . . . . . . . . . . . . . . . . 55 16 Processor Fan and Heat-Sink Assembly . . . . . . . . . . . . . . . . 59 17 Processor. . . . . . . . . . . . . . . . . . . . . . . . 63 18 Coin-Cell Battery . . . . . . . . . . . . . . . . . . 67 19 System Board. . . . . . . . . . . . . . . . . . . . . 69 Page Page Before You Begin Turn Off Your Computer and Connected Devices Safety Instructions Recommended Tools After Working Inside Your Computer Page Page 14 Inside View of Your Computer System Board Components Page Computer Cover Removing the Computer Cover Replacing the Computer Cover Fan Shroud Removing the Fan Shroud Replacing the Fan Shroud Memory Module(s) Removing Memory Module(s) Page Replacing Memory Module(s) Page Page Page PCI-Express Cards Removing the PCI-Express Cards Page Replacing the PCI-Express Cards 28 Configuring Your Computer After Removing or Installing the PCI-Express Card Mini-Card Removing the Mini-Card Page Replacing the Mini-Card Page Front Bezel Removing the Front Bezel Page Replacing the Front Bezel Page Drive Cage Removing the Drive Cage Page Replacing the Drive Cage Page Optical Drive Removing the Optical Drive Page Replacing the Optical Drive Page Hard Drive Removing the Hard Drive Page Replacing the Hard Drive Page Front I/O Panel Removing the Front I/O Panel Page Replacing the Front I/O Panel Page Power-Button Module Removing the Power-Button Module Page Replacing the Power-Button Module Page Power-Supply Unit Removing the Power-Supply Unit Page Replacing the Power-Supply Unit Page Processor Fan and Heat-Sink Assembly Removing the Processor Fan and Heat-Sink Assembly Page Replacing the Processor Fan and Heat-Sink Assembly Page Processor Removing the Processor Replacing the Processor Page Page Coin-Cell Battery Removing the Coin-Cell Battery Replacing the Coin-Cell Battery System Board Removing the System Board Page Replacing the System Board Entering the Service Tag in the BIOS System Setup Overview Entering System Setup 74 System Setup Screens NOTE: System Setup Options Page Page 78 CAUTION: Page 80 Boot Sequence Page Clearing Forgotten Passwords Clearing CMOS Passwords Page Page Flashing the BIOS