background image

Before working inside your 

computer

CAUTION: To avoid damaging the components and cards, handle 
them by their edges and avoid touching pins and contacts.

NOTE: The images in this document may differ from your computer 
depending on the configuration you ordered.

 

Before you begin 

Save and close all open files and exit all open applications.

Shut down your computer.

– Windows 8.1: On the 

Start

 screen, click or tap the power icon 

 → 

Shut down

.

– Windows 7: Click or tap 

Start 

→ 

Shut down

.

NOTE: If you are using a different operating system, see the 
documentation of your operating system for shut-down 
instructions.

Disconnect your computer and all attached devices from their electrical 

outlets.

Disconnect all cables such as telephone cables, network cables and so 

on, from your computer.

Disconnect all attached devices and peripherals, such as keyboard, 

mouse, monitor, and so on, from your computer.

Remove any media card and optical disc from your computer, if 

applicable.

After the computer is unplugged, press and hold the power button for 5 

seconds to ground the system board.

CAUTION: Place the computer on a flat, soft and clean surface to 
avoid scratching the display.

Place the computer face down.

8

Summary of Contents for Inspiron 24 3000 series

Page 1: ...Inspiron 24 3000 Series Service Manual Computer Model Inspiron 24 3455 Regulatory Model W12C Regulatory Type W12C001 ...

Page 2: ...problem WARNING A WARNING indicates a potential for property damage personal injury or death Copyright 2015 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: ... 12 Inside view of your computer 12 Removing the stand assembly 14 Procedure 14 Replacing the stand assembly 16 Procedure 16 Removing the back cover 17 Prerequisites 17 Procedure 17 Replacing the back cover 19 Procedure 19 Post requisites 19 Removing the optical drive 20 Prerequisites 20 Procedure 20 Replacing the optical drive 23 Procedure 23 Post requisites 23 3 ...

Page 4: ...dule 28 Prerequisites 28 Procedure 28 Replacing the memory module 30 Procedure 30 Post requisites 31 Removing the wireless card 32 Prerequisites 32 Procedure 32 Replacing the wireless card 34 Procedure 34 Post requisites 35 Removing the heat sink 36 Prerequisites 36 Procedure 36 Replacing the heat sink 38 Procedure 38 Post requisites 38 4 ...

Page 5: ...ery 42 Prerequisites 42 Procedure 43 Replacing the coin cell battery 44 Procedure 44 Post requisites 44 Removing the microphone 45 Prerequisites 45 Procedure 45 Replacing the microphone 47 Procedure 47 Post requisites 47 Removing the camera 48 Prerequisites 48 Procedure 48 Replacing the camera 50 Procedure 50 Post requisites 50 5 ...

Page 6: ...bracket 56 Prerequisites 56 Procedure 56 Replacing the VESA mount bracket 58 Procedure 58 Post requisites 58 Removing the speaker cover 59 Prerequisites 59 Procedure 59 Replacing the speaker cover 61 Procedure 61 Post requisites 61 Removing the speakers 62 Prerequisites 62 Procedure 62 Replacing the speakers 64 Procedure 64 Post requisites 64 6 ...

Page 7: ...67 Procedure 67 Post requisites 67 Removing the display assembly 68 Prerequisites 68 Procedure 69 Replacing the display assembly 73 Procedure 73 Post requisites 73 Removing the rubber feet 75 Prerequisites 75 Procedure 76 Replacing the rubber feet 77 Procedure 77 Post requisites 77 Flashing the BIOS 79 7 ...

Page 8: ... 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 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 an...

Page 9: ...y perform troubleshooting and repairs as authorized or directed by the Dell technical assistance team Damage due to servicing that is not authorized by Dell is not covered by your warranty See the safety instructions that shipped with the product or at dell com regulatory_compliance CAUTION Before touching anything inside your computer ground yourself by touching an unpainted metal surface such as...

Page 10: ...e from your computer and then unplug the cable from the network device CAUTION Press and eject any installed card from the media card reader Recommended tools The procedures in this document may require the following tools Philips screwdriver Plastic scribe 10 ...

Page 11: ...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 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 11 ...

Page 12: ...r 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 control buttons board 2 hard drive assembly 3 optical drive assembly 4 display assembly base 5 microphone board 6 camera module 7 fan 8 heat sink 12 ...

Page 13: ...9 wireless card 10 memory module 11 system board 12 coin cell battery 13 VESA mount bracket 14 speaker cover 13 ...

Page 14: ...de 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 Using your fingertips lift the stand cover 2 Slide and remove the stand cover at an angle away from the stand 1 stand 2 stand cover 3 back cover 3 Remove the screws that secure the stand bracket to the ba...

Page 15: ...4 Lift the stand off the back cover 1 stand 2 stand bracket 3 screws 2 4 back cover 15 ...

Page 16: ...ructions in After working inside your computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Procedure 1 Insert the tabs on the stand bracket with the slots on the back cover to align the screw holes on the stand bracket to the screw holes on the back cover 2 Replace the screws that secure the stand bracket to the back cover 3 Slide and re...

Page 17: ...e 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 stand assembly Procedure CAUTION Do not remove the computer cover unless you need to install internal accessories for your computer 1 Using a plastic scribe pry the back cover from the display...

Page 18: ...2 Lift the back cover off the computer 1 display bezel 2 back cover 3 plastic scribe 18 ...

Page 19: ... 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 Procedure Align the tabs on the back cover with the slots on the display bezel and snap the back cover into place Post requisites Replace the stand assembly 19 ...

Page 20: ...de 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 stand assembly 2 Remove the back cover Procedure 1 Disconnect the power and data cable from the optical drive 2 Remove the screw that secures the optical drive assembly to the display assem...

Page 21: ...of the optical drive bay 1 optical drive assembly 2 screw 3 power and data cable 4 Carefully pull the optical drive bezel and remove it from the optical drive 5 Remove the screw that secures the optical drive bracket to the optical drive 21 ...

Page 22: ...6 Remove the optical drive bracket from the optical drive 1 screw 2 optical drive bracket 3 optical drive 4 optical drive bezel 22 ...

Page 23: ...al drive bracket with the screw hole on the optical drive 2 Replace the screw that secures the optical drive bracket to the optical drive 3 Align the tabs on the optical drive bezel with the slots on the optical drive assembly and snap it into place 4 Slide the optical drive assembly into the optical drive bay and align the screw hole on the optical drive bracket with the screw hole on the display...

Page 24: ...e 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 stand assembly 2 Remove the back cover Procedure 1 Disconnect the power and data cable from the hard ...

Page 25: ...ngertips slide the hard drive assembly out of the hard drive bay 1 power and data cable 2 hard drive assembly 3 screw 4 display assembly base 4 Remove the screws that secure the hard drive bracket to the hard drive 25 ...

Page 26: ...5 Remove the hard drive from the hard drive bracket 1 screws 3 2 hard drive 3 hard drive bracket 26 ...

Page 27: ...d drives are fragile Exercise care when handling the hard drive Procedure 1 Align the screw holes on the hard drive bracket with the screw holes on the hard drive 2 Replace the screws that secure the hard drive bracket to the hard drive 3 Slide the hard drive assembly into the hard drive bay and align the screw hole on the hard drive bracket with the screw hole on the display assembly base 4 Repla...

Page 28: ...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 Prerequisites 1 Remove the stand assembly 2 Remove the back cover Procedure 1 Use your fingertips to carefully spread apart the securing clips on each end of the memory module slot until the memory module pops ...

Page 29: ...2 Remove the memory module from the memory module slot 1 system board 2 securing clips 2 3 memory module 4 memory module slot 29 ...

Page 30: ...w 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 Procedure 1 Align the notch on the memory module with the tab on the memory module slot 30 ...

Page 31: ... 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 notch 2 tab 3 securing clips 2 4 memory module 5 memory module slot Post requisites 1 Replace the back cover 2 Replace the stand assembly 31 ...

Page 32: ... 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 stand assembly 2 Remove the back cover Procedure 1 Remove the screw that secures the wireless card bracket and the wireless card to the system board 2 Slide the wireless card bracket off the wireless card 3 Disconnect the antenna...

Page 33: ...4 Slide the wireless card out of the wireless card slot 1 wireless card bracket 2 antenna cables 3 screw 4 wireless card slot 5 wireless card 6 system board 33 ...

Page 34: ...notch on the wireless card with the tab on the wireless card slot 2 Insert the wireless card into the wireless card slot 3 Press the other end of the wireless card down and align the screw hole on the wireless card with the screw hole on the system board 4 Connect the antenna cables to the wireless card The following table provides the antenna cable color scheme for the wireless card supported by ...

Page 35: ... wireless card bracket and the wireless card to the system board 1 antenna cables 2 wireless card bracket 3 screw 4 wireless card 5 wireless card slot 6 tab 7 notch Post requisites 1 Replace the back cover 2 Replace the stand assembly 35 ...

Page 36: ... WARNING The heat 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 Prerequisites 1 Remove the stand assembly 2 Remove the back cover Procedure 1 In sequen...

Page 37: ...3 Lift the heat sink off the system board 1 system board 2 captive screws 5 3 heat sink 4 screw 5 display assembly base 37 ...

Page 38: ...nal 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 Procedure 1 Align the screw hole on the heat sink with the screw hole on the display assembly base 2 Align the captive screws on the heat sink with the scr...

Page 39: ...rking 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 stand assembly 2 Remove the back cover Procedure 1 Disconnect the fan cable from the system board 2 Remove the screws that secure the fan to the display assembly base 39 ...

Page 40: ...3 Lift the fan at an angle off the display assembly base 1 fan cable 2 system board 3 fan 4 screws 2 5 display assembly base 40 ...

Page 41: ...ide your computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Procedure 1 Replace the fan at an angle on the display assembly base 2 Align the screw holes on the fan with the screw holes on the display assembly base 3 Replace the screws that secure the fan to the display assembly base 4 Connect the fan cable to the system board Post requ...

Page 42: ... 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 setup program s settings to default It is recommended that you note the BIOS setup program s settings before removing the coin cell battery Prerequisites 1 Remove the stand asse...

Page 43: ...Procedure Using a plastic scribe gently pry out the coin cell battery out of the battery socket on the system board 1 system board 2 plastic scribe 3 coin cell battery 43 ...

Page 44: ... 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 With the positive side facing up insert the coin cell battery into the battery socket and press down the battery into place Post requisites 1 Replace the back cover 2 Replace the stand assembly...

Page 45: ...e safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Prerequisites 1 Remove the stand assembly 2 Remove the back cover Procedure 1 Disconnect the microphone and camera cable from the system board 2 Note the microphone and camera cable routing and remove the cable from its routing guides on the display assembly base 3 Follow the procedure from step 4 to ...

Page 46: ...5 Disconnect the microphone and camera cable from the microphone board 1 microphone and camera cable 2 routing guides 3 display bezel 4 display assembly base 5 microphone board 46 ...

Page 47: ...es see the Regulatory Compliance home page at dell com regulatory_compliance Procedure 1 Connect the microphone and camera cable to the microphone board 2 Slide the microphone board into the slot on the display bezel 3 Follow the procedure from step 1 to step 3 in Replacing the camera 4 Route the microphone and camera cable through the routing guides on the display assembly base 5 Connect the micr...

Page 48: ...ory_compliance Prerequisites 1 Remove the stand assembly 2 Remove the back cover Procedure 1 Disconnect the microphone and camera cable from the system board 2 Note the microphone and camera cable routing and remove the cable from its routing guides on the display assembly base 3 Follow the procedure from step 4 to step 6 in Removing the Microphone 4 Using your fingertips press the securing clip a...

Page 49: ...7 Disconnect the microphone and camera cable from the camera module 1 securing clip 2 tab 3 camera module 4 microphone and camera cable 49 ...

Page 50: ...regulatory_compliance Procedure 1 Connect the microphone and camera cable to the camera module 2 Push the tabs on the camera module into the tab on the camera module slot 3 Press the camera module down into the slot on the display bezel until it snaps into place 4 Follow the procedure from step 1 to step 2 in Replacing the microphone 5 Route the microphone and camera cable through the routing guid...

Page 51: ... board removes any changes you have made to the BIOS using the BIOS setup program You must make the desired 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 them correctly after you replace the system board Prerequisites 1 Remove the stand assembly 2 Remove the back cover 3 Remo...

Page 52: ... control board cable 3 control buttons board cable 4 display backlight cable 5 display cable 6 display assembly base 7 hard drive cable 8 optical drive cable 9 hard drive and optical drive power cable 10 fan cable 11 microphone and camera cable 4 Remove the screws that secure the system board to the display assembly base 52 ...

Page 53: ... the system board from the inner edge and release the ports from the slots on the display assembly base 6 Lift the system board off the display assembly base 1 system board 2 slots 3 screws 4 4 display assembly base 53 ...

Page 54: ...S using the BIOS setup program You must make the desired changes again after you replace the system board Procedure 1 Slide the ports on the system board into the slots on the display assembly base and place the system board on the display assembly base 2 Align the screw holes on the system board with the screw holes on the display assembly base 3 Replace the screws that secure the system board to...

Page 55: ...Post requisites 1 Replace the wireless card 2 Replace the heat sink 3 Replace the fan 4 Replace the back cover 5 Replace the stand assembly 55 ...

Page 56: ...r 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 stand assembly 2 Remove the back cover Procedure 1 Note the speaker cable routing under the VESA mount bracket and remove it from the routing guides 2 Remove the screws that secure the VESA mount bracket ...

Page 57: ...3 Lift the VESA mount bracket off the display assembly base 1 VESA mount bracket 2 screws 4 3 display assembly base 4 speaker cable 5 routing guides 57 ...

Page 58: ...inside your computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Procedure 1 Align the screw holes on the VESA mount bracket with the screw holes on the display assembly base 2 Replace the screws that secure the VESA mount bracket to the display assembly base 3 Route the speaker cable through the routing guides under the VESA mount brack...

Page 59: ...our 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 stand assembly 2 Remove the back cover Procedure 1 Remove the screws that secure the speaker cover to the display assembly base 2 Using your fingertips pry the speaker cover from the display as...

Page 60: ...3 Lift the speaker cover off the display bezel 1 screws 4 2 speaker cover 3 display assembly base 60 ...

Page 61: ...ctions 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 the screw holes on the speaker cover with the screw holes on the display assembly base and snap the speaker cover into place 2 Replace the screws that secure the speaker cover to the display assembly base Post requisites 1 Replace t...

Page 62: ...ory_compliance Prerequisites 1 Remove the stand assembly 2 Remove the back cover 3 Remove the speaker cover Procedure 1 Disconnect the speaker cable from the system board 2 Note the speaker cable routing on the display panel base 3 Remove the speaker cable at an angle from the VESA mount bracket 4 Remove the screw from the VESA mount bracket 5 Peel off the tape that secures the speaker cable to th...

Page 63: ...7 Lift the speakers along with the speaker cable off the display bezel 1 screw 2 tape 3 speaker cable routing 4 VESA mount bracket 5 speaker cable 6 rubber grommets 4 7 speakers 2 63 ...

Page 64: ... the display bezel place the speakers on the display bezel 2 Route the speaker cable through the routing guide on the display bezel 3 Adhere the tape that secures the speaker cable to the VESA mount bracket 4 Replace the screw to the VESA mount bracket 5 Replace the rubber grommets if they are pushed up while replacing the speakers 6 Route the speaker cable connecting the left speaker to the right...

Page 65: ...s see the Regulatory Compliance home page at dell com regulatory_compliance Prerequisites 1 Remove the stand assembly 2 Remove the back cover 3 Remove the VESA mount bracket Procedure 1 Lift the latch and disconnect the control buttons board cable from the system board 2 Note the control buttons board cable routing and peel it off from its routing guides on the display assembly base 3 Using your f...

Page 66: ...5 Lift the latch and disconnect the control buttons board cable from the control buttons board 1 latch 2 system board 3 control buttons board cable 4 latch 5 control buttons board 6 securing clips 2 66 ...

Page 67: ...liance Procedure 1 Slide the control buttons board cable into the connector on the control buttons board and press down on the latch to secure the cable 2 Replace the control buttons board into the slot on the display bezel 3 Route the control buttons board cable through the routing guides and adhere the control buttons board cable to the display assembly base 4 Slide the control buttons board cab...

Page 68: ...tices see the Regulatory Compliance home page at dell com regulatory_compliance Prerequisites 1 Remove the stand assembly 2 Remove the back cover 3 Remove the optical drive 4 Remove the hard drive 5 Remove the memory module 6 Remove the wireless card 7 Remove the heat sink 8 Remove the fan 9 Remove the coin cell battery 10 Remove the microphone 11 Remove the camera 12 Remove the system board 13 Re...

Page 69: ... Note the optical drive and hard drive cables routing and remove the cables from its routing guides on the display assembly base 1 routing guides 2 hard drive cable 3 optical drive cable 4 display assembly base 69 ...

Page 70: ...ure the display assembly base to the display bezel 1 screws 19 2 display assembly base 3 Release the display panel base from the tabs on the display bezel 4 Slide the display cable through the slot on the display assembly base 70 ...

Page 71: ...5 Lift the display assembly base off the display panel 1 tabs 6 2 display assembly base 3 display cable 4 slot 71 ...

Page 72: ...1 display assembly 72 ...

Page 73: ...e slot on the display assembly base 2 Slide the tabs on the display bezel into the slots on the display assembly base 3 Replace the display assembly base on the display bezel 4 Replace the screws that secure the display assembly base to the display bezel 5 Route the optical drive and hard drive cables through the routing guides on the display assembly base Post requisites 1 Replace the control but...

Page 74: ...11 Replace the wireless card 12 Replace the memory module 13 Replace the hard drive 14 Replace the optical drive 15 Replace the back cover 16 Replace the stand assembly 74 ...

Page 75: ...latory Compliance home page at dell com regulatory_compliance Prerequisites 1 Remove the stand assembly 2 Remove the back cover 3 Remove the optical drive 4 Remove the hard drive 5 Remove the memory module 6 Remove the wireless card 7 Remove the heat sink 8 Remove the fan 9 Remove the coin cell battery 10 Remove the microphone 11 Remove the camera 12 Remove the system board 13 Remove the VESA moun...

Page 76: ...Procedure 1 Remove the screws that secure the rubber feet to the display bezel 2 Lift the rubber feet off the display bezel 1 rubber feet 2 2 screws 2 3 display bezel 76 ...

Page 77: ...y_compliance Procedure 1 Align the screw holes on the rubber feet with the screw holes on the display bezel 2 Replace the screws that secure the rubber feet to the display bezel Post requisites 1 Replace the display assembly 2 Replace the control buttons board 3 Replace the speakers 4 Replace the speaker cover 5 Replace the VESA mount bracket 6 Replace the system board 7 Replace the camera 8 Repla...

Page 78: ...15 Replace the optical drive 16 Replace the back cover 17 Replace the stand assembly 78 ...

Page 79: ...browse for your computer model 4 Click Drivers downloads 5 Scroll down the page and select BIOS from the Category drop down list NOTE In the Change OS drop down list select the operating system installed on your computer 6 Expand BIOS to view the available BIOS files 7 Click Download File to download the latest version of the BIOS for your computer 8 Save the file and once the download is complete...

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