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Dell Inspirion 3656, Service Manual

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Dell Inspirion 3656 Service Manual Download Page 59

Replacing the heat sink

NOTE: 

Before working inside your computer, read the safety information that shipped with your computer and follow 

the steps in 

Before working inside your computer

. After working inside your computer, follow the instructions in 

After 

working inside your computer

. For more safety best practices, see the Regulatory Compliance home page at 

www.dell.com/regulatory_compliance

.

CAUTION: 

Incorrect alignment of the heat sink can damage the system board and processor.

NOTE: 

The original thermal grease can be reused if the original system board and heat sink are reinstalled together. If 

either the system board or the heat sink is replaced, use the thermal pad provided in the kit to ensure that thermal 
conductivity is achieved.

Topics:

•

Procedure

•

Post-requisites

Procedure

1. Align the captive screws on the heat sink with the screw holes on the system board.
2. Tighten the captive screws that secure the heat sink to the system board.

Post-requisites

1. Replace the 

processor fan

.

2. Replace the 

front bezel

.

3. Replace the 

computer cover

.

35

Replacing the heat sink

59

Summary of Contents for Inspirion 3656

Page 1: ...Inspiron 3656 Service Manual Regulatory Model D19M Regulatory Type D19M001 ...

Page 2: ... the problem WARNING A WARNING indicates a potential for property damage personal injury or death 2016 Dell Inc All rights reserved This product is protected by U S and international copyright and intellectual property laws Dell and the Dell logo are trademarks of Dell Inc in the United States and or other jurisdictions All other marks and names mentioned herein may be trademarks of their respecti...

Page 3: ...edure 12 6 Removing the front bezel 13 Prerequisites 13 Procedure 13 7 Replacing the front bezel 15 Procedure 15 Post requisites 15 8 Removing the memory modules 16 Prerequisites 16 Procedure 16 9 Replacing the memory modules 18 Procedure 18 Post requisites 19 10 Removing the graphics card 20 Prerequisites 20 Procedure 20 11 Replacing the graphics card 22 Procedure 22 Postrequisites 22 12 Removing...

Page 4: ...3 Procedure 33 Post requisites 33 18 Removing the coin cell battery 34 Prerequisites 34 Procedure 34 19 Replacing the coin cell battery 36 Procedure 36 Post requisites 36 20 Removing the wireless card 37 Prerequisites 37 Procedure 37 21 Replacing the wireless card 39 Procedure 39 Post requisites 39 22 Removing the antenna modules 40 Prerequisites 40 Procedure 40 23 Replacing the antenna modules 42...

Page 5: ...ght board 51 Procedure 51 Post requisites 51 30 Removing the power supply unit 52 Prerequisites 52 Procedure 52 31 Replacing the power supply unit 54 Procedure 54 Postrequisites 54 32 Removing the processor fan 55 Prerequisites 55 Procedure 55 33 Replacing the processor fan 57 Procedure 57 Post requisites 57 34 Removing the heat sink 58 Prerequisites 58 Procedure 58 35 Replacing the heat sink 59 P...

Page 6: ...rogram 64 Overview 64 Entering BIOS setup program 64 Clearing Forgotten Passwords 64 Prerequisites 64 Procedure 64 Post requisites 65 Clearing CMOS Settings 65 Prerequisites 65 Procedure 65 Post requisites 66 39 Flashing the BIOS 67 40 Getting help and contacting Dell 68 6 Contents ...

Page 7: ...E Before working inside your computer read the safety information that shipped with your computer For more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance NOTE Disconnect all power sources before opening the computer cover or panels After you finish working inside the computer replace all covers panels and screws before connecting to the electric...

Page 8: ...bles ensure that the ports and connectors are correctly oriented and aligned CAUTION Press and eject any installed card from the media card reader Recommended tools The procedures in this document may require the following tools Phillips screwdriver Plastic scribe 8 Before working inside your computer ...

Page 9: ...y screws remain inside your computer 2 Connect any external devices peripherals or cables you removed before working on your computer 3 Replace any media cards discs or any other parts that you removed before working on your computer 4 Connect your computer and all attached devices to their electrical outlets 5 Turn on your computer 2 After working inside your computer 9 ...

Page 10: ...tory Compliance home page at www dell com regulatory_compliance Topics System board components System board components 1 chassis fan cable connector 2 memory module slots 2 3 coin cell battery 4 power button cable connector 5 CMOS jumper 6 password jumper 7 lighting cable connector 8 drive power cable connector 9 processor fan cable connector 10 optical drive hard drive 2 data cable connector 11 w...

Page 11: ...ons in After working inside your computer For more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Topics Procedure Procedure 1 Lay the computer on its side with the vents facing up 2 Remove the screws that secure the cover to the chassis 3 Slide the cover toward the back of the computer and lift the cover off the chassis a computer cover b chass...

Page 12: ...ng inside your computer follow the instructions in After working inside your computer For more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Topics Procedure Procedure 1 Align the cover over the chassis and slide it toward the front of the computer 2 Replace the screws that secure the computer cover to the chassis 5 12 Replacing the computer co...

Page 13: ... instructions in After working inside your computer For more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Topics Prerequisites Procedure Prerequisites Remove the computer cover Procedure 1 Place the computer in an upright position 2 Release the front bezel tabs by moving them outward 3 Gently rotate and pull the front bezel away from the chass...

Page 14: ...a chassis b front bezel tabs 3 c front bezel 14 Removing the front bezel ...

Page 15: ...uctions in After working inside your computer For more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Topics Procedure Post requisites Procedure 1 Align and insert the tabs on the front bezel into the slots on the front panel 2 Rotate the front bezel towards the chassis until the front bezel tabs snap into place Post requisites Replace the compu...

Page 16: ...Prerequisites Procedure Prerequisites 1 Remove the computer cover 2 Remove the front bezel Procedure 1 Open the side chassis a side chassis 2 Using the fingertips spread apart the securing clip at each end of the memory module slot until the memory module pops up 3 Lift the memory module out of the memory module slot NOTE If the memory module is difficult to remove gently ease the memory module ba...

Page 17: ...a securing clips 2 b memory module slot c memory module Removing the memory modules 17 ...

Page 18: ...ompliance home page at www dell com regulatory_compliance Topics Procedure Post requisites Procedure 1 Ensure that the securing clips are extended away from the memory module slot 2 Align the notch on the memory module with the tab on the memory module slot 3 Insert the memory module into the memory module slot and press the memory module down until it snaps into position and the securing clips lo...

Page 19: ...Post requisites 1 Replace the front bezel 2 Replace the computer cover Replacing the memory modules 19 ...

Page 20: ...king inside your computer For more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Topics Prerequisites Procedure Prerequisites 1 Remove the computer cover 2 Remove the front bezel Procedure 1 Open the side chassis a side chassis 2 Open the card retention bracket 3 Push the securing tab away from the graphics card grasp the card by its top corner...

Page 21: ...a tab b card retention bracket c graphics card Removing the graphics card 21 ...

Page 22: ...st practices see the Regulatory Compliance home page at www dell com regulatory_compliance Topics Procedure Postrequisites Procedure 1 Align the graphics card with the slot on the system board 2 Place the card in the slot and press down firmly Ensure that the card is firmly seated in the slot 3 Rotate the card retention bracket towards the computer until it snaps into place 4 Close the side chassi...

Page 23: ...ur computer For more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Topics Prerequisites Procedure Prerequisites 1 Remove the computer cover 2 Remove the front bezel Procedure 1 Remove the screw that secures the hard drive assembly to the side chassis 2 Open the side chassis a hard drive assembly b side chassis c screw 3 Disconnect the data cabl...

Page 24: ...a hard drive b data cable c power cable 4 Slide the hard drive assembly out of the side chassis a hard drive assembly b side chassis 24 Removing the 3 5 inch hard drive ...

Page 25: ...5 Remove the screws that secure the hard drive bracket to the hard drive 6 Lift the hard drive off the hard drive bracket a screws 4 b hard drive bracket c hard drive Removing the 3 5 inch hard drive 25 ...

Page 26: ...mpliance Topics Procedure Post requisites Procedure 1 Place the hard drive in the hard drive bracket 2 Align the screw holes on the hard drive with the screw holes on the hard drive bracket 3 Replace the screws that secure the hard drive bracket to the hard drive 4 Slide the hard drive assembly into the side chassis 5 Connect the data cable and the power cable to the hard drive 6 Close the side ch...

Page 27: ...your computer For more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Topics Prerequisites Procedure Prerequisites 1 Remove the computer cover 2 Remove the front bezel Procedure 1 Open the side chassis a side chassis 2 Disconnect the data cable and the power cable from the hard drive 3 Press the tabs on the hard drive assembly and slide the hard...

Page 28: ...rive bracket from one edge and lift the hard drive up 5 Slide and remove the hard drive from the hard drive bracket NOTE Note the orientation of the hard drive so that you can replace it correctly a hard drive bracket b hard drive 28 Removing the 2 5 inch hard drives ...

Page 29: ... best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Topics Procedure Post requisites Procedure 1 Align the holes on the hard drive to the tabs on the hard drive bracket 2 Snap the hard drive into the hard drive bracket 3 Slide the hard drive assembly into the side chassis 4 Connect the data cable and power cable to the hard drive 5 Close the side chassis P...

Page 30: ...ide your computer For more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Topics Prerequisites Procedure Prerequisites 1 Remove the computer cover 2 Remove the front bezel Procedure 1 Open the side chassis a side chassis 2 If a 3 5 inch hard drive is installed disconnect the data and power cables from the drive 3 Disconnect the data cable and th...

Page 31: ...cable 6 optical drive 4 Close the side chassis 5 Remove the screw that secures the optical drive assembly to the side chassis 6 Gently slide the optical drive assembly out of the optical drive bay on the front of the chassis a side chassis b screw c optical drive assembly Replacing the optical drive 31 ...

Page 32: ...optical drive bracket to the optical drive a screws 2 b optical drive bracket c optical drive 8 Gently pull and disconnect the optical drive bezel from the optical drive a optical drive b optical drive bezel 32 Replacing the optical drive ...

Page 33: ...ical drive bezel to the optical drive 2 Align the screw holes on the optical drive bracket with the screw holes on the optical drive 3 Replace the screws that secure the optical drive bracket to the optical drive 4 Slide the optical drive module into the optical drive bay through the front of the chassis 5 Replace the screw that secures the optical drive assembly to the chassis 6 Open the side cha...

Page 34: ...e the Regulatory Compliance home page at www dell com regulatory_compliance CAUTION Removing the coin cell battery resets the BIOS setup program s settings to default It is recommended that you note the BIOS setup program s settings before removing the coin cell battery Topics Prerequisites Procedure Prerequisites 1 Remove the computer cover 2 Remove the front bezel Procedure 1 Open the side chass...

Page 35: ...a plastic scribe b coin cell battery c coin cell battery socket Removing the coin cell battery 35 ...

Page 36: ...in After working inside your computer For more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Topics Procedure Post requisites Procedure 1 With the positive side facing up insert the coin cell battery into the coin cell battery socket and snap the battery into place 2 Close the side chassis Post requisites 1 Replace the front bezel 2 Replace the...

Page 37: ...ctices see the Regulatory Compliance home page at www dell com regulatory_compliance Topics Prerequisites Procedure Prerequisites 1 Remove the computer cover 2 Remove the front bezel Procedure 1 Open the side chassis a side chassis 2 Remove the screw that secures the wireless card to the system board 3 Slide the wireless card bracket off the wireless card 4 Disconnect the antenna cables from the w...

Page 38: ...1 wireless card slot 2 wireless card 3 screw 4 wireless card bracket 5 antenna cables 38 Removing the wireless card ...

Page 39: ... Topics Procedure Post requisites Procedure 1 Align the notch on the wireless card with the tab on the wireless card slot 2 Slide the wireless card at an angle into the wireless card slot 3 Connect the antenna cables to the wireless card 4 Slide the wireless card bracket over the wireless card 5 Replace the screw that secures the wireless card to the system board 1 tab 2 notch 3 wireless card 4 wi...

Page 40: ...y Compliance home page at www dell com regulatory_compliance Topics Prerequisites Procedure Prerequisites 1 Remove the computer cover 2 Remove the front bezel 3 Remove the wireless card Procedure 1 Remove the antenna cables from the routing guides on the side chassis 2 Gently slide the antenna cables through the routing holes on the side chassis a antenna cables b routing guides c routing holes 2 ...

Page 41: ...a antenna modules 2 b plastic scribe c antenna cables 2 Removing the antenna modules 41 ...

Page 42: ...n After working inside your computer For more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Topics Procedure Post requisites Procedure 1 Adhere the antenna modules to the side chassis 2 Open the side chassis and route the antenna cables through the routing guides Post requisites 1 Replace the wireless card 2 Replace the front bezel 3 Replace th...

Page 43: ...fter working inside your computer For more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Topics Prerequisites Procedure Prerequisites 1 Remove the computer cover 2 Remove the front bezel Procedure 1 Open the side chassis a side chassis 2 Disconnect the power button cable from the system board 3 Press down the tab on the power button and slide i...

Page 44: ...a power button cable b tab c power button module 44 Removing the power button module ...

Page 45: ... the instructions in After working inside your computer For more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Topics Procedure Post requisites Procedure 1 Slide the power button into its socket 2 Connect the power button cable to the system board 3 Close the side chassis Post requisites 1 Replace the front bezel 2 Replace the computer cover 25...

Page 46: ...er follow the instructions in After working inside your computer For more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Topics Prerequisites Procedure Prerequisites 1 Remove the computer cover 2 Remove the front bezel Procedure 1 Remove the screws that secure the chassis fan to the chassis a chassis b screws 4 2 Open the side chassis 26 46 Remo...

Page 47: ...a side chassis 3 Disconnect the chassis fan cable from the system board 4 Remove the chassis fan from the chassis a chassis fan b chassis fan cable Removing the chassis fan 47 ...

Page 48: ...puter For more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Topics Procedure Post requisites Procedure 1 Align the screw holes on the chassis fan with the screw holes on the chassis 2 Replace the screws that secure the chassis fan to the chassis 3 Connect the chassis fan cable to the system board 4 Close the side chassis Post requisites 1 Repl...

Page 49: ...r For more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Topics Prerequisites Procedure Prerequisites 1 Remove the computer cover 2 Remove the front bezel Procedure 1 Open the side chassis a side chassis 2 Disconnect the lighting cable from the system board 3 Remove the lighting cable from the routing guides on the chassis 4 Slide the cable out...

Page 50: ...ng guides 5 Remove the screws that secure the lighting module to the chassis 6 Lift the lighting module along with its cable off the chassis a lighting module b screws 2 c lighting cable 50 Removing the front panel light board ...

Page 51: ...page at www dell com regulatory_compliance Topics Procedure Post requisites Procedure 1 Align the screw holes on the lighting modules with the screw holes on the chassis 2 Replace the screws that secure the lighting module to the chassis 3 Slide the cable through the side chassis and open the side chassis 4 Route the lighting cable through the routing guides on the chassis 5 Connect the lighting c...

Page 52: ...g inside your computer For more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Topics Prerequisites Procedure Prerequisites 1 Remove the computer cover 2 Remove the front bezel Procedure 1 Open the side chassis a side chassis 2 Press the securing clips and disconnect the power cables from the system board 3 Note the routing and remove the power ...

Page 53: ...crews that secure the power supply unit to the chassis 5 Press the clamp and release the power supply unit from the chassis 6 Slide and lift the power supply unit off the chassis 1 clamp 2 power cables 3 power supply unit 4 screws 3 Removing the power supply unit 53 ...

Page 54: ...mpliance home page at www dell com regulatory_compliance Topics Procedure Postrequisites Procedure 1 Slide the power supply towards the back of the chassis 2 Align the screw holes on the power supply unit with the screw holes on the chassis 3 Replace the screws that secure the power supply unit to the chassis 4 Route the power cables through the routing guide and connect the power cables to the sy...

Page 55: ... your computer For more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Topics Prerequisites Procedure Prerequisites 1 Remove the computer cover 2 Remove the front bezel Procedure 1 Open the side chassis a side chassis 2 Disconnect the processor fan cable from the system board 3 Remove the screws that secure the processor fan to the heat sink 4 L...

Page 56: ...a processor fan b screws 4 c processor fan cable 56 Removing the processor fan ...

Page 57: ...r For more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Topics Procedure Post requisites Procedure 1 Align the screw holes on the processor fan with the screw holes on the heat sink 2 Replace the screws that secure the processor fan to the heat sink 3 Connect the processor fan cable to the heat sink 4 Close the side chassis Post requisites 1 R...

Page 58: ...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 Topics Prerequisites Procedure Prerequisites 1 Remove the computer cover 2 Remove the front bezel 3 Remov...

Page 59: ...nk can damage the system board and processor NOTE The original thermal grease can be reused if the original system board and heat sink are reinstalled together If either the system board or the heat sink is replaced use the thermal pad provided in the kit to ensure that thermal conductivity is achieved Topics Procedure Post requisites Procedure 1 Align the captive screws on the heat sink with the ...

Page 60: ...system board NOTE Replacing the system board removes any changes you have made to the BIOS using the BIOS setup program You must make the appropriate changes again after you replace the system board NOTE Before disconnecting the cables from the system board note the location of the connectors so that you can reconnect the cables correctly after you replace the system board Topics Prerequisites Pro...

Page 61: ...drive cable 8 power cable 3 Remove the screw that secures the I O cover to the chassis and lift the cover off the system board 4 Remove the screws that secure the system board to the chassis 5 Starting from the edge near the memory module slots gently lift the system board off the chassis Removing the system board 61 ...

Page 62: ...a system board b screws 7 c I O cover 62 Removing the system board ...

Page 63: ... BIOS using the BIOS setup program You must make the appropriate changes again after you replace the system board Topics Procedure Post requisites Procedure 1 Align the screw holes on the system board with the screw holes on the chassis 2 Gently place the system board onto the chassis 3 Replace the screws that secure the system board to the chassis 4 Align the screw hole on the I O cover with the ...

Page 64: ...NOTE The F2 prompt indicates that the keyboard is initialized This prompt can appear very quickly so you must watch for it and then press F2 If you press F2 before the F2 prompt this keystroke is lost If you wait too long and the operating system logo appears continue to wait until you see the desktop Then turn off your computer and try again Clearing Forgotten Passwords NOTE Before working inside...

Page 65: ...r computer After working inside your computer follow the instructions in After working inside your computer For more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Prerequisites 1 Remove the computer cover 2 Remove the front bezel Procedure 1 Open the side chassis 2 Remove the jumper plug from pins 2 and 3 and replace it on pins 1 and 2 3 Wait f...

Page 66: ...1 jumper plug 2 pin 1 3 pin 2 4 pin 3 5 Close the side chassis Post requisites 1 Replace the front bezel 2 Replace the computer cover 66 BIOS setup program ...

Page 67: ... the Service Tag use the auto detect feature or manually browse for your computer model 4 Click Drivers downloads Find it myself 5 Select the operating system installed on your computer 6 Scroll down the page and expand BIOS 7 Click Download to download the latest version of the BIOS for your computer 8 After the download is complete navigate to the folder where you saved the BIOS update file 9 Do...

Page 68: ...ll com support linux Troubleshooting information user manuals setup instructions product specifications technical help blogs drivers software updates and so on www dell com support Learn about your operating system setting up and using your computer data backup diagnostics and so on See Me and My Dell at www dell com support manuals Contacting Dell To contact Dell for sales technical support or cu...

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