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Removing the Front Bezel 

WARNING: 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 dell.com/regulatory_compliance. 

Prerequisites

Remove the 

computer cover

.

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Summary of Contents for Inspiron 3646

Page 1: ...Inspiron 3646 3000 Series Owner s Manual Computer Model Inspiron 3646 Regulatory Model D10S Regulatory Type D10S001 ...

Page 2: ...problem WARNING A WARNING indicates a potential for property damage personal injury or death Copyright 2014 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 res...

Page 3: ...9 Technical Overview 10 Inside View Of Your Computer 10 System Board Components 11 Removing the Computer Cover 12 Procedure 12 Replacing the Computer Cover 13 Procedure 13 Removing the Memory Module 14 Prerequisites 14 Procedure 14 Replacing the Memory Module 16 Procedure 17 Post requisites 17 Removing the Fan 18 Prerequisites 18 Procedure 18 ...

Page 4: ...l 26 Procedure 26 Post requisites 26 Removing the Drive Cage 27 Prerequisites 27 Procedure 28 Replacing the Drive Cage 30 Procedure 30 Post requisites 30 Removing the Wireless Card 31 Prerequisites 31 Procedure 31 Replacing the Wireless Card 33 Procedure 33 Post requisites 33 Removing the Optical Drive 34 Prerequisites 34 Procedure 34 ...

Page 5: ...edure 38 Post requisites 38 Removing the Front I O Panel 39 Prerequisites 39 Procedure 39 Replacing the Front I O Panel 41 Procedure 41 Post requisites 41 Removing the Power Button Module 42 Prerequisites 42 Procedure 42 Replacing the Power Button Module 44 Procedure 44 Post requisites 44 Removing the Coin Cell Battery 45 Prerequisites 45 Procedure 46 ...

Page 6: ...Board 50 Procedure 50 Post requisites 50 System Setup 51 Overview 51 Entering System Setup 51 Clearing Forgotten Passwords 51 Prerequisites 52 Procedure 52 Post requisites 52 Clearing CMOS Settings 53 Prerequisites 53 Procedure 53 Post requisites 54 Flashing the BIOS 55 Getting Help and Contacting Dell 56 Self Help Resources 56 Contacting Dell 56 ...

Page 7: ...heir electrical outlets 4 Disconnect all cables such as telephone cables network cables and so on from your computer 5 Disconnect all attached devices and peripherals such as keyboard mouse monitor and so on from your computer 6 Remove any media card and optical disc from your computer if applicable 7 After the computer is unplugged press and hold the power button for 5 seconds to ground the syste...

Page 8: ... 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 internal components CAUTION When you disconnect a cable pull on its connector or on its pull tab not on the cable itself Some cables have connectors with locking tabs or thumb screws that ...

Page 9: ...e sure that no stray screws remain inside your computer 2 Connect any external devices peripherals and cables you removed before working on your computer 3 Replace any media cards discs and any other part s 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 9 ...

Page 10: ...ore 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 dell com regulatory_compliance Inside View Of Your Computer 1 front bezel 2 drive cage 3 optical drive 4 fan 5 system board 6 heat sink assembly 10 ...

Page 11: ...nnector SATAP1 4 heat sink assembly 5 memory module connector DIMM1 6 CMOS clear jumper CMCL R2 7 front panel USB connector USBF2 8 power button connector LEDH1 9 Password clear jumper PSWD1 10 wireless card slot 11 media card reader cable connector USBF1 12 coin cell battery BT1 13 fan cable connector FANC1 14 front panel audio connector AUDIOF1 11 ...

Page 12: ...ide Your Computer For more safety best practices see the Regulatory Compliance home page 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 4 Lift the cover away from the comp...

Page 13: ...ctices see the Regulatory Compliance home page 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 comput...

Page 14: ...Working Inside Your Computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Prerequisites Remove the computer cover Procedure 1 Locate the memory module slot DIMM on the system board For more information on the location of the memory module slot see System Board Components 2 Use your fingertips to spread apart the securing clips on each end...

Page 15: ...3 Remove the memory module from the memory module slot 1 memory module slot 2 memory module 3 securing clips 2 15 ...

Page 16: ...on 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 dell com regulatory_compliance 16 ...

Page 17: ... 2 Insert the memory module into the memory module slot and press the memory module down until it clicks into place NOTE If you do not hear the click remove the memory module and reinstall it 1 memory module 2 memory module slot 3 notch 4 tab Post requisites Replace the computer cover 17 ...

Page 18: ...Your Computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Prerequisites Remove the computer cover Procedure 1 Disconnect the fan cable from the system board connector FANC1 For more information on the location of the fan cable connector see System Board Components 2 Note the location of the fan on the heat sink assembly 3 Disconnect the ...

Page 19: ...4 Remove the screws that secure the fan to heat sink assembly on the system board 1 screws 4 2 fan 3 fan cable 4 optical drive data cable 5 optical drive power cable 19 ...

Page 20: ...at 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 dell com regulatory_compliance 20 ...

Page 21: ...lots on the heat sink assembly 1 screws 4 2 fan 3 fan cable 4 optical drive data cable 5 optical drive power cable 3 Replace the screws that secure the fan to the heat sink assembly on the system board 4 Connect the power and data cables to the connectors on the optical drive 5 Connect the fan cable to the system board connector FANC1 For more information on the location of the fan connector see S...

Page 22: ...Post requisites Replace the computer cover 22 ...

Page 23: ...our 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 dell com regulatory_compliance Prerequisites Remove the computer cover 23 ...

Page 24: ...Procedure 1 Place the computer in an upright position 2 Grasp and release the front bezel tabs sequentially from the top by moving them outward from the front panel 1 front bezel tabs 3 2 front bezel 24 ...

Page 25: ...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 panel 2 front bezel clamps 3 3 front bezel tabs 3 4 front bezel 25 ...

Page 26: ...g inside your computer follow the instructions in After Working Inside Your Computer 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 Post requisites Replace the computer cover...

Page 27: ... 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 dell com regulatory_compliance Prerequisites 1 Remove the computer cover 2 Remove the front bezel 3 Place the computer on its side to access the drive cage 27 ...

Page 28: ...he screws that secure the drive cage to the chassis 1 drive cage 2 chassis 3 screws 3 2 Lift the drive cage to release it from the chassis 3 Disconnect the power and data cables from the connectors on the optical drive 28 ...

Page 29: ...he connectors on the hard drive 1 drive cage 2 optical drive power cable 3 optical drive data cable 4 hard drive power cable 5 hard drive data cable 5 Lift the drive cage away from the chassis 6 Remove the optical drive 7 Remove the hard drive 29 ...

Page 30: ...ore safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Procedure 1 Replace the optical drive 2 Replace the hard drive 3 Connect the power and data cables to the connectors on the optical drive 4 Connect the power and data cables to the connectors on the hard drive 5 Gently slide the drive cage into the chassis 6 Replace the screws that secure the drive ...

Page 31: ...g Inside Your Computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Prerequisites 1 Remove the computer cover 2 Remove the front bezel 3 Follow the procedure from step 1 to step 5 in Removing the drive cage Procedure 1 Locate the wireless mini card For more information on the location of the wireless mini card slot see System Board Compon...

Page 32: ...the screw that secures the wireless mini card to the system board 1 antenna cables 2 2 screw 3 mini card connector 4 wireless mini card 4 Slide and remove the wireless mini card out of the mini card connector 32 ...

Page 33: ...e wireless mini card slot see System Board Components 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 T...

Page 34: ... in After Working Inside Your Computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Prerequisites 1 Remove the computer cover 2 Remove the front bezel 3 Follow the procedure from step 1 to step 5 in Removing the drive cage Procedure 1 Remove the screws that secure the optical drive to the drive cage 2 Slide the optical drive out of the dr...

Page 35: ... Your Computer For more safety best practices see the Regulatory Compliance home page 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 Post requisites 1 Follow the procedure from step 3 to step 6 in Replaci...

Page 36: ...ter Working Inside Your Computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance CAUTION Hard drives are fragile Exercise care when handling the hard drive CAUTION To avoid data loss do not remove the hard drive while the computer is in Sleep or On state Prerequisites 1 Remove the computer cover 2 Remove the front bezel 3 Follow the procedur...

Page 37: ...Procedure 1 Remove the screws that secure the hard drive brackets to the hard drive 2 Push and slide the hard drive off the hard drive brackets 1 hard drive 2 hard drive assembly 3 screws 4 37 ...

Page 38: ...age 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 hard drive with the screw holes on the hard drive brackets 2 Replace the screws that secure the hard drive brackets to the hard drive 3 Slide the hard drive assembly into the chassis 4 Replace the screws that secure the hard drive assembly to the...

Page 39: ...er 2 Remove the front bezel 3 Follow the procedure from step 1 to step 5 in Removing the drive cage Procedure CAUTION Be careful when sliding the front I O panel out of the computer to avoid damaging the connectors and the cable routing clips NOTE Note the routing of all cables as you remove them so that you can re route them correctly after you replace the front I O panel 1 Disconnect the front I...

Page 40: ...t 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 clamps 4 2 front I O panel 3 screw 4 routing guides 5 front I O panel cables 3 40 ...

Page 41: ...o the slots on the front panel 2 Slide the front I O panel towards the top 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 ...

Page 42: ...Compliance home page at dell com regulatory_compliance Prerequisites 1 Remove the computer cover 2 Remove the front bezel 3 Follow the procedure from step 1 to step 5 in Removing the drive cage Procedure 1 Disconnect the power button module cable from the system board connector LEDH1 For more information on the location of the cable connector see System Board Components 2 Remove the power button m...

Page 43: ...4 Slide the power button module along with its cable through the slot on the front panel 1 power button cable 2 tabs 3 power button module 43 ...

Page 44: ...ulatory Compliance home 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 For more information on the location of the cable connector see System Board Components Post req...

Page 45: ... 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 dell com regulatory_compliance CAUTION Removing the coin cell battery resets the BIOS settings to default It is recommended that you note the BIOS settings before removing the coin cell battery Prerequisites Remove the computer cover ...

Page 46: ...ation on the location of the battery socket see System Board Components 2 Press the battery release lever away from the coin cell battery until the coin cell battery pops up 1 coin cell battery 2 securing clip 3 Lift the coin cell battery out of its socket 46 ...

Page 47: ...puter 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 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 Post requisites Replace the computer cover 47 ...

Page 48: ...gain 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 them correctly after you replace the system board Prerequisites 1 Remove the computer cover 2 Remove the front bezel 3 Follow the procedure from step 1 to step 5 in Removing the drive cage 4 Remove the memory module 5 Remove the wireless c...

Page 49: ...4 Lift the system board out of the chassis 1 system board 2 screws 6 49 ...

Page 50: ...tly place the system board into the chassis and slide it towards the back of the computer 2 Align the screw holes on the system board with the screw holes on the chassis 3 Replace the screws that secure the system board to the chassis 4 Route and connect the hard drive data cable optical drive data cable power button cable hard drive and optical drive power cable front panel USB cable media card r...

Page 51: ...our computer 2 During POST when the DELL logo is displayed watch for the F2 prompt to appear and then press F2 immediately NOTE The F2 prompt indicates that the keyboard has 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...

Page 52: ...step 3 to step 6 in Replacing the drive cage 4 Replace the computer cover 5 Turn on your computer and wait till the operating system is completely loaded 6 Move your mouse pointer to the upper right or lower right corner of the screen to open the charms sidebar and then click or tap Settings Power Shut down 7 Remove the computer cover 8 Follow the procedure from step 1 to step 5 in Removing the dr...

Page 53: ...iance Prerequisites 1 Remove the computer cover 2 Follow the procedure from step 1 to step 5 in Removing the drive cage Procedure 1 Locate the CMOS jumper CMCL R2 on the system board For more information on the location of the CMOS jumper see System Board Components 2 Remove the jumper plug from the password jumper PSWD1 and place it on the CMOS jumper 1 jumper plug 2 password jumper PSWD1 3 CMOS ...

Page 54: ...en the charms sidebar and then click or tap Settings Power Shut down 8 Remove the computer cover 9 Follow the procedure from step 1 to step 5 in Removing the drive cage 10 Remove the jumper plug from the CMOS jumper and replace it on the password jumper Post requisites 1 Follow the procedure from step 3 to step 6 in Replacing the drive cage 2 Replace the computer cover 54 ...

Page 55: ...the Service Tag cannot be detected automatically select your product under the product categories 4 Click Get Drivers and Downloads 5 Click View All Drivers 6 In the Operating System drop down select the operating system installed on your computer 7 Click BIOS 8 Click Download File to download the latest version of the BIOS for your computer 9 On the next page select Single file download and click...

Page 56: ...nuals setup instructions product specifications technical help blogs drivers software updates and so on See dell com support Information about Microsoft Windows 8 8 1 See dell com windows8 Information about Microsoft Windows 7 Click Start All Programs Dell Help Documentation Learn about your operating system setting up and using your computer data backup diagnostics and so on See Me and My Dell at...

Page 57: ...NOTE If you do not have an active internet connection you can find contact information on your purchase invoice packing slip bill or Dell product catalog 57 ...

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