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Dell Inspiron 3647, Owner'S Manual

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Removing the Processor Fan and Heat-Sink Assembly    |   

39

Removing the Processor Fan and 

 

Heat-Sink Assembly

 

WARNING:  Before working inside your computer, read the safety information 
that shipped with your computer and follow the steps in "Before You Begin" on 
page 7. After working inside your computer, follow the instructions in 

 

"After Working Inside Your Computer" on page 9. For more safety best practices, 
see the Regulatory Compliance home page at dell.com/regulatory_compliance.

Prerequisites

1

Remove the computer cover. See "Removing the Computer Cover" on page 12.

2

Remove the fan shroud. See "Removing the Fan Shroud" on page 14.

Procedure

1

Disconnect the processor fan cable from the system-board connector (FANCPU1). 
See "System-Board Components" on page 11.

2

Loosen the four captive screws that secure the processor fan and heat-sink 
assembly to the system board. 

1

processor fan and heat-sink assembly 

2

captive screws (4) 

3

processor fan cable

3

2

1

book.book  Page 39  Monday, November 25, 2013  3:53 PM

Summary of Contents for Inspiron 3647

Page 1: ...Inspiron 3647 Owner s Manual Computer model Inspiron 3647 Regulatory model D09S Regulatory type D09S001 ...

Page 2: ...ION A CAUTION indicates potential damage to hardware or loss of data if instructions are not followed WARNING A WARNING indicates a potential for property damage personal injury or death ____________________ 2013 Dell Inc Trademarks used in this text Dell the DELL logo and Inspiron are trademarks of Dell Inc 2013 12 Rev A00 ...

Page 3: ...ving the Computer Cover 12 Procedure 12 Replacing the Computer Cover 13 Procedure 13 Postrequisites 13 Removing the Fan Shroud 14 Prerequisites 14 Procedure 14 Replacing the Fan Shroud 15 Procedure 15 Postrequisites 15 Removing the Memory Module s 16 Prerequisites 16 Procedure 16 Replacing the Memory Module s 17 Procedure 17 Postrequisites 18 Removing the Graphics Card 19 Prerequisites 19 Procedur...

Page 4: ...g the Front Bezel 23 Prerequisites 23 Procedure 23 Replacing the Front Bezel 25 Procedure 25 Postrequisites 25 Removing the Drive Cage 26 Prerequisites 26 Procedure 26 Replacing the Drive Cage 28 Procedure 28 Postrequisites 28 Removing the Optical Drive 29 Prerequisites 29 Procedure 29 Replacing the Optical Drive 30 Procedure 30 Postrequisites 30 Removing the Primary Hard Drive 31 Prerequisites 31...

Page 5: ...ing the Power Button Module 36 Prerequisites 36 Procedure 37 Replacing the Power Button Module 38 Procedure 38 Postrequisites 38 Removing the Processor Fan and Heat Sink Assembly 39 Prerequisites 39 Procedure 39 Replacing the Processor Fan and Heat sink Assembly 40 Procedure 40 Postrequisites 40 Removing the Processor 41 Prerequisites 41 Procedure 41 Replacing the Processor 42 Procedure 42 Postreq...

Page 6: ...strequisites 45 Removing the System Board 46 Prerequisites 46 Procedure 47 Replacing the System Board 48 Procedure 48 Postrequisites 48 Entering the Service Tag in the BIOS 48 Removing the Power Supply Unit 49 Prerequisites 49 Procedure 50 Replacing the Power Supply Unit 51 Procedure 51 Postrequisites 51 Flashing the BIOS 52 ...

Page 7: ... of the screen to open the Charms sidebar and then click Settings Power Shut down Windows 7 Click Start Shut down NOTE If you are using a different operating system see the documentation of your operating system for shut down instructions 3 Disconnect your computer and all attached devices from their electrical outlets 4 Disconnect all telephone cables network cables and attached devices from your...

Page 8: ...ns for complete information about safety precautions working inside your computer and protecting against electrostatic discharge CAUTION Before touching anything inside your computer ground yourself by touching an unpainted metal surface such as the metal at the back of the computer While you work periodically touch an unpainted metal surface to dissipate static electricity which could harm intern...

Page 9: ...erely damage your computer 1 Replace all screws and make sure that no stray screws remain inside your computer 2 Place the computer in an upright position 3 Connect any external devices cables cards and any other part s you removed before working on your computer 4 Connect your computer and all attached devices to their electrical outlets ...

Page 10: ...ng inside your computer follow the instructions in After Working Inside Your Computer on page 9 For additional safety best practices information see the Regulatory Compliance Homepage at dell com regulatory_compliance Inside View of Your Computer 1 optical drive 2 fan shroud 3 PCI Express x16 card 4 processor fan and heat sink assembly 5 power supply 6 hard drive 7 front bezel 8 drive cage 2 3 1 7...

Page 11: ...er connector ATX2 7 processor socket 8 processor fan connector FNCPU1 9 memory module connector DIMM1 10 memory module connector DIMM2 11 front panel USB connector USBF1 12 main power connector ATX1 13 front panel USB connector USBF2 14 battery socket BT1 15 CMOS clear jumper CMCLR1 16 Password clear jumper PWCLR1 17 SATA connector SATA 0 18 SATA connector SATA 1 1 2 3 5 6 12 8 14 4 13 16 18 17 11...

Page 12: ...rking Inside Your Computer on page 9 For additional safety best practices information see the Regulatory Compliance Homepage at dell com regulatory_compliance Procedure 1 Place the computer on its side with the computer cover facing up 2 Using a screwdriver remove the screws that secure the computer cover to the chassis 3 Release the computer cover by sliding it away from the front of the computer...

Page 13: ...egulatory Compliance Homepage at dell com regulatory_compliance Procedure 1 Connect all the cables and fold the cables out of the way 2 Ensure that no tools or extra parts are left inside the computer 3 Align the tabs at the bottom of the computer cover with the slots located along the edge of the chassis 4 Press the computer cover down and slide it towards the front of the computer 5 Replace the ...

Page 14: ...rking Inside Your Computer on page 9 For additional safety best practices information see the Regulatory Compliance Homepage at dell com regulatory_compliance Prerequisites Remove the computer cover See Removing the Computer Cover on page 12 Procedure 1 Press in on the fan shroud and lift it to release the tabs that secure the fan shroud to the processor fan and heat sink assembly 2 Lift the fan s...

Page 15: ...orking Inside Your Computer on page 9 For additional safety best practices information see the Regulatory Compliance Homepage at dell com regulatory_compliance Procedure 1 Place the fan shroud over the processor fan and heat sink assembly 2 Gently press the fan shroud until the tabs on the fan shroud snap into place Postrequisites 1 Replace the computer cover See Replacing the Computer Cover on pa...

Page 16: ...pliance Prerequisites 1 Remove the computer cover See Removing the Computer Cover on page 12 2 Remove the fan shroud See Removing the Fan Shroud on page 14 Procedure 1 Locate the memory module connector on the system board See System Board Components on page 11 2 Press out the securing clip at each end of the memory module connector 3 Grasp the memory module and pull it upward NOTE If the memory m...

Page 17: ...Inside Your Computer on page 9 For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Procedure 1 Press out the securing clip at each end of the memory module connector 2 Align the notch on the memory module with the tab on the memory module connector 3 Insert the memory module into the memory module connector and press the memory module down until...

Page 18: ...e s Postrequisites 1 Replace the fan shroud See Replacing the Fan Shroud on page 15 2 Replace the computer cover See Replacing the Computer Cover on page 13 3 Follow the instructions in After Working Inside Your Computer on page 9 ...

Page 19: ...ractices see the Regulatory Compliance home page at dell com regulatory_compliance Prerequisites 1 Remove the computer cover See Removing the Computer Cover on page 12 2 Remove the fan shroud See Removing the Fan Shroud on page 14 Procedure 1 Using a screwdriver remove the screw securing the graphic card in place 2 Push the securing tab down grasp the card by its top corners and then ease it out o...

Page 20: ...see the Regulatory Compliance home page at dell com regulatory_compliance Procedure 1 Locate the PCI Express x16 card slot See System Board Components on page 11 2 Align the graphics card with the PCI Express x16 card slot on the system board 3 Place the card in the slot and press down firmly Ensure that the card is firmly seated in the slot 4 Replace the screw that secure the graphic card in plac...

Page 21: ...ices information see the Regulatory Compliance Homepage at dell com regulatory_compliance Prerequisites 1 Remove the computer cover See Removing the Computer Cover on page 12 2 Remove the fan shroud See Removing the Fan Shroud on page 14 Procedure 1 Locate the wireless mini card 2 Disconnect the antenna cables from the wireless mini card 3 Remove the screw that secures the wireless mini card to th...

Page 22: ...ni card slot See System Board Components on page 11 2 Align the notch on the wireless mini card with the tab on the mini card connector 3 Slide the wireless mini card at an angle into the system board connector 4 Press the other end of the wireless mini card down and replace the screw that secures the wireless mini card to the system board 5 Connect the antenna cables to the wireless mini card The...

Page 23: ... computer follow the instructions in After Working Inside Your Computer on page 9 For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Prerequisites Remove the computer cover See Removing the Computer Cover on page 12 Procedure 1 Place the computer in an upright position 2 Grasp and release the front bezel tabs sequentially from the top by moving...

Page 24: ...ont Bezel 3 Rotate and pull the front bezel away from the front of the computer to release the front bezel clamps from the front panel slots 1 front bezel tabs 3 2 front bezel clamps 3 3 front bezel 4 front panel 1 2 3 4 ...

Page 25: ...omputer follow the instructions in After Working Inside Your Computer on page 9 For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Procedure 1 Align and insert the front bezel clamps into the front panel slots 2 Rotate the front bezel towards the computer until the front bezel tabs snap into place Postrequisites Replace the computer cover See R...

Page 26: ...puter on page 9 For additional safety best practices information see the Regulatory Compliance Homepage at dell com regulatory_compliance Prerequisites 1 Remove the computer cover See Removing the Computer Cover on page 12 2 Remove the fan shroud See Removing the Fan Shroud on page 14 3 Remove the front bezel See Removing the Front Bezel on page 23 Place the computer on its side with the computer ...

Page 27: ...from the connectors on the hard drive 4 Lift the drive cage away from the chassis 5 Remove the optical drive See Removing the Optical Drive on page 29 6 Remove the hard drive See Removing the Primary Hard Drive on page 31 1 drive cage 2 optical drive data cable 3 optical drive power cable 4 hard drive data cable 5 hard drive power cable 2 3 4 5 1 ...

Page 28: ...drive See Replacing the Optical Drive on page 30 2 Replace the hard drive See Replacing the Primary Hard Drive on page 32 3 Gently slide the drive cage into the chassis 4 Replace the screws that secure the drive cage to the chassis 5 Connect the power and data cables to the connectors on the optical drive 6 Connect the power and data cables to the connectors on the hard drive Postrequisites 1 Repl...

Page 29: ...formation see the Regulatory Compliance Homepage at dell com regulatory_compliance Prerequisites 1 Remove the computer cover See Removing the Computer Cover on page 12 2 Remove the fan shroud See Removing the Fan Shroud on page 14 3 Remove the front bezel See Removing the Front Bezel on page 23 4 Remove the drive cage See Removing the Drive Cage on page 26 Procedure 1 Remove the screws that secure...

Page 30: ...on see the Regulatory Compliance Homepage at dell com regulatory_compliance Procedure 1 Slide the optical drive into the drive cage 2 Align the screw holes on the optical drive with the screw holes on the drive cage 3 Replace the screws that secure the optical drive to the drive cage Postrequisites 1 Replace the drive cage See Replacing the Drive Cage on page 28 2 Replace the front bezel See Repla...

Page 31: ... loss do not remove the hard drive while the computer is On or in Sleep state CAUTION Hard drives are fragile Exercise care when handling the hard drive Prerequisites 1 Remove the computer cover See Removing the Computer Cover on page 12 2 Remove the fan shroud See Removing the Fan Shroud on page 14 3 Remove the front bezel See Removing the Front Bezel on page 23 4 Remove the drive cage See Removi...

Page 32: ...e page at dell com regulatory_compliance CAUTION Hard drives are fragile Exercise care when handling the hard drive Procedure 1 Align the screw holes on the primary hard drive with the screw holes on the hard drive brackets 2 Replace the screws that secure the hard drive brackets to the primary hard drive 3 Slide the primary hard drive assembly into the chassis 4 Replace the screws that secure the...

Page 33: ...ur Computer on page 9 For additional safety best practices information see the Regulatory Compliance Homepage at dell com regulatory_compliance Prerequisites 1 Remove the computer cover See Removing the Computer Cover on page 12 2 Remove the fan shroud See Removing the Fan Shroud on page 14 3 Remove the front bezel See Removing the Front Bezel on page 23 4 Remove the drive cage See Removing the Dr...

Page 34: ...t I O panel 1 Disconnect the front I O panel cables from the system board connectors AUDF1 USBF1 and USBF3 See System Board Components on page 11 2 Remove the screw that secures the front I O panel to the front panel 3 Slide the front I O panel towards the side as shown in the illustration to release the clamps from the front panel and pull it away 1 front I O panel cables 3 2 cable routing guides...

Page 35: ...toward the side Ensure that the screw hole on the front I O panel aligns with the screw hole on the front panel 3 Replace the screw that secures the front I O panel to the front panel 4 Route the front I O panel cables through the routing guides on the chassis 5 Connect the front I O panel cables to the system board connectors USBF1 USBF2 and AUDF1 See System Board Components on page 11 Postrequis...

Page 36: ...ter follow the instructions in After Working Inside Your Computer on page 9 For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Prerequisites 1 Remove the computer cover See Removing the Computer Cover on page 12 2 Remove the fan shroud See Removing the Fan Shroud on page 14 3 Remove the front bezel See Removing the Front Bezel on page 23 4 Remo...

Page 37: ...he power button module cable from the routing guides on the chassis 3 Press the power button module tabs to release the power button module from the front panel 4 Slide the power button module along with its cable through the slot on the front panel 5 Set the power button module aside 6 Set aside the power button module 1 power button cable 2 tabs 3 power button module 1 3 2 ...

Page 38: ...page at dell com regulatory_compliance Procedure 1 Align and push the power button module tabs into the slots on the front panel 2 Align the power button module cable on the routing guides on the chassis 3 Connect the power button module cable to the system board connector LEDH1 See System Board Components on page 11 Postrequisites 1 Replace the drive cage See Removing the Drive Cage on page 26 2 ...

Page 39: ...r more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Prerequisites 1 Remove the computer cover See Removing the Computer Cover on page 12 2 Remove the fan shroud See Removing the Fan Shroud on page 14 Procedure 1 Disconnect the processor fan cable from the system board connector FANCPU1 See System Board Components on page 11 2 Loosen the four capti...

Page 40: ... board and processor NOTE The original thermal grease can be reused if the original processor and processor fan and heat sink assembly are reinstalled together If either the processor or the processor fan and heat sink assembly is replaced use the thermal grease provided in the kit to ensure that thermal conductivity is achieved Procedure 1 Apply new thermal grease to the top of the processor 2 Pl...

Page 41: ... assembly may be very hot during normal operation Ensure that it has had sufficient time to cool before you touch it Prerequisites 1 Remove the computer cover See Removing the Computer Cover on page 12 2 Remove the fan shroud See Removing the Fan Shroud on page 14 3 Remove the processor fan and heat sink See Removing the Processor Fan and Heat Sink Assembly on page 39 Procedure 1 Press down and pu...

Page 42: ...he processor may ship with the thermal pad attached to it 1 Unpack the new processor being careful not to touch the underside of the processor CAUTION Do not touch the underside of the processor CAUTION You must position the processor correctly in the processor socket to avoid damage to the processor 2 If the release lever on the socket is not fully extended move it to that position 3 Orient the a...

Page 43: ...he Processor Fan and Heat sink Assembly on page 40 2 Replace the fan shroud See Replacing the Fan Shroud on page 15 3 Replace the computer cover See Replacing the Computer Cover on page 13 4 Follow the instructions in After Working Inside Your Computer on page 9 1 alignment post 2 processor pin 1 corner 3 processor 4 processor cover 5 processor cover notch 6 release lever 7 securing tab 2 1 5 3 6 ...

Page 44: ...ompliance Homepage at dell com regulatory_compliance Prerequisites 1 Remove the computer cover See Removing the Computer Cover on page 12 2 Remove the fan shroud See Removing the Fan Shroud on page 14 3 Remove the front bezel See Removing the Front Bezel on page 23 4 Remove the drive cage See Removing the Drive Cage on page 26 Procedure 1 Locate the battery socket BT1 See System Board Components o...

Page 45: ...tion see the Regulatory Compliance Homepage at dell com regulatory_compliance Procedure Insert a new coin cell battery CR2032 into the battery socket with the positive side facing up and press the battery into place Postrequisites 1 Replace the drive cage See Replacing the Drive Cage on page 28 2 Replace the front bezel See Replacing the Front Bezel on page 25 3 Replace the fan shroud See Replacin...

Page 46: ...ectly after you replace the system board Prerequisites 1 Remove the computer cover See Removing the Computer Cover on page 12 2 Remove the fan shroud See Removing the Fan Shroud on page 14 3 Remove the front bezel See Removing the Front Bezel on page 23 4 Remove the drive cage See Removing the Drive Cage on page 26 5 Remove the memory module s See Removing the Memory Module s on page 16 NOTE Recor...

Page 47: ...to the system board See System Board Components on page 11 2 Make note of the cable routing and remove the cables from the routing guides 3 Remove the screws that secure the system board to the chassis 4 Lift the system board out of the chassis 1 system board 2 screws 6 1 2 ...

Page 48: ...screws that secure the system board to the chassis 3 Route and connect the cables that you disconnected from the system board Postrequisites 1 Replace the memory modules See Replacing the Memory Module s on page 17 2 Replace the processor Replacing the Processor on page 42 3 Replace the processor fan and heat sink See Replacing the Processor Fan and Heat sink Assembly on page 40 4 Replace the grap...

Page 49: ...shroud See Removing the Fan Shroud on page 14 3 Remove the drive cage See Removing the Drive Cage on page 26 4 Remove the memory module s See Removing the Memory Module s on page 16 NOTE Record which memory module is removed from each DIMM slot so that the memory modules can be installed in the same slot after the power supply unit is replaced 5 Remove the Mini Card if applicable See Removing the ...

Page 50: ...emoving the Power Supply Unit Procedure 1 Remove the screws that secure the power supply unit to the chassis 2 Slide and remove the power supply unit away from the chassis 1 screws 4 2 power supply unit 1 2 ...

Page 51: ...r supply unit to the chassis 4 Connect the DC power cables to the system board and the drives See System Board Components on page 11 Postrequisites 1 Replace the system board See Replacing the System Board on page 48 2 Replace the processor See Replacing the Processor on page 42 3 Replace the processor fan and heat sink assembly See Replacing the Processor Fan and Heat sink Assembly on page 40 4 R...

Page 52: ... of the Service Tag NOTE If the Service Tag cannot be detected automatically select your product under the product categories 4 Click Drivers and Downloads 5 In the Operating System drop down select the operating system installed on your computer 6 Click BIOS 7 Click Download File to download the latest version of the BIOS for your computer 8 On the next page select Single file download and click ...

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