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Dell Inspiron 14-3443 Service Manual
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Dell Inspiron 14-3443 Service Manual

Dell Inspiron 14-3443 Service Manual

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Inspiron 14
3000 Series
Service Manual
Computer Model: Inspiron 14–3443
Regulatory Model: P53G
Regulatory Type: P53G001

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Summary of Contents for Dell Inspiron 14-3443

  • Page 1 Inspiron 14 3000 Series Service Manual Computer Model: Inspiron 14–3443 Regulatory Model: P53G Regulatory Type: P53G001...
  • Page 2 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 ™...

  • Page 3: Table Of Contents

    Contents Before Working Inside Your Computer........9 ....................9 Before You Begin ..................... 9 Safety Instructions ..................10 Recommended Tools After Working Inside Your Computer........12 Removing the Battery............... 13 ......................13 Procedure Replacing the Battery............... 14 ......................14 Procedure Removing the Optical Drive............ 15 .....................
  • Page 4 Removing the Memory Module(s)..........20 ....................20 Prerequisites ......................20 Procedure Replacing the Memory Module(s).......... 22 ......................22 Procedure ....................23 Post-requisites Removing the Wireless Card........... 24 .....................24 Prerequisites ......................24 Procedure Replacing the Wireless Card........... 26 ......................26 Procedure ....................26 Post-requisites Removing the Keyboard............27 .....................27...
  • Page 5 Removing the Palm Rest............37 .....................37 Prerequisites ......................37 Procedure Replacing the Palm Rest............42 ......................42 Procedure ....................42 Post-requisites Removing the Power-Button Board........43 .....................43 Prerequisites ......................43 Procedure Replacing the Power-Button Board........45 ......................45 Procedure ....................45 Post-requisites Removing the Touchpad............
  • Page 6 Removing the Speakers............53 .....................53 Prerequisites ......................53 Procedure Replacing the Speakers............55 ......................55 Procedure ....................55 Post-requisites Removing the Coin-Cell Battery..........56 .....................56 Prerequisites ......................56 Procedure Replacing the Coin-Cell Battery..........58 ......................58 Procedure ....................58 Post-requisites Removing the Power-Adapter Port........59 .....................59 Prerequisites ......................
  • Page 7 Removing the Heat-Sink Assembly........67 .....................67 Prerequisites ......................67 Procedure Replacing the Heat-Sink Assembly........69 ......................69 Procedure ....................69 Post-requisites Removing the Display Assembly..........70 .....................70 Prerequisites ......................70 Procedure Replacing the Display Assembly..........72 ......................72 Procedure ....................72 Post-requisites Removing the Display Bezel............ 73 .....................73 Prerequisites ......................73...
  • Page 8 ......................82 Procedure ....................82 Post-requisites Removing the Camera..............83 .....................83 Prerequisites ......................83 Procedure Replacing the Camera.............. 85 ......................85 Procedure ....................85 Post-requisites Flashing the BIOS..............86 Getting Help and Contacting Dell..........87 ..................87 Self-Help Resources ....................87 Contacting Dell...

  • Page 9: Before Working Inside Your Computer

    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.

  • Page 10: Recommended Tools

    CAUTION: You should only 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.
  • Page 11 • Philips screwdriver • Plastic scribe...

  • Page 12: After Working Inside Your Computer

    After Working Inside Your Computer CAUTION: Leaving stray or loose screws inside your computer may severely damage your computer. Replace all screws and make sure that no stray screws remain inside your computer. Connect any external devices, peripherals, and cables you removed before working on your computer.

  • Page 13: Removing The Battery

    After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure Close the display and turn the computer over. Slide the battery latches to the unlock position. You hear a click sound when the battery is unlocked.

  • Page 14: Replacing The Battery

    After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure Slide the tabs on the battery into the slots on the battery bay and snap the...

  • Page 15: Removing The Optical Drive

    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 battery. Procedure Remove the screw that secures the optical-drive assembly to the computer base.
  • Page 16 Remove the screw that secures the optical-drive bracket to the optical- drive assembly and remove the optical-drive bracket. optical-drive bezel optical drive optical-drive bracket screw...

  • Page 17: Replacing The Optical Drive

    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 optical-drive bezel with the slots on the optical drive and snap the optical-drive bezel into place.

  • Page 18: Removing The Base Cover

    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 battery. Procedure Remove the screw that secures the base cover to the computer base.

  • Page 19: Replacing The Base Cover

    After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure Slide the tabs on the base cover into the slots on the computer base and snap the base cover into place.

  • Page 20: Removing The Memory Module(S)

    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 battery. Remove the base cover.
  • Page 21 Remove the memory module from the memory-module slot. securing clips (2) memory-module slot memory module...

  • Page 22: Replacing The Memory Module(S)

    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 notch on the memory module with the tab on the memory- module slot.

  • Page 23: Post-Requisites

    Slide the memory module firmly into the slot at an angle 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. securing clips (2) memory-module slot memory module Post-requisites...

  • Page 24: Removing The Wireless Card

    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 battery. Remove the base cover.
  • Page 25 Slide and remove the wireless card out of the wireless-card slot. antenna cables (2) wireless card screw...

  • Page 26: Replacing The Wireless Card

    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 CAUTION: To avoid damage to the wireless card, do not place any cables under it.

  • Page 27: Removing The Keyboard

    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 battery. Procedure Turn the computer over and, open the display.
  • Page 28 Slide the keyboard up to release it from the tabs on the palm rest. plastic scribe securing clips (5) keyboard tabs (5) Turn the keyboard over and place it on the palm rest.
  • Page 29 Lift the latch and disconnect the keyboard cable from the system board. keyboard keyboard cable latch Lift the keyboard off the palm rest.

  • Page 30: Replacing The Keyboard

    After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure NOTE: If you are installing a new keyboard, fold the cables the same way they are folded on the old keyboard. For more information, see “Folding...
  • Page 31 The cables on the keyboard are not folded when you receive a replacement keyboard. Follow these instructions to fold the cables on the replacement keyboard the same way they are folded on the old keyboard. Place the keyboard on a flat and clean surface. keyboard cable keyboard Gently fold the keyboard cable with the end aligned with the fold line as...
  • Page 32 keyboard cable keyboard...

  • Page 33: Removing The Hard Drive

    After 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.
  • Page 34 Using the pull-tab, lift and slide the hard-drive assembly out of the tabs on the computer base. screw hard-drive Remove the screws that secure the hard-drive bracket to the hard drive. Using the pull-tab, lift the hard-drive bracket off the hard drive.
  • Page 35 Peel off the Mylar sheet from the hard drive. hard-drive bracket pull-tab screws (2) mylar sheet...

  • Page 36: Replacing The Hard Drive

    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. CAUTION: Hard drives are fragile. Exercise care when handling the hard drive. Procedure Adhere the Mylar sheet on the hard drive.

  • Page 37: Removing The Palm Rest

    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 battery. Remove the base cover.
  • Page 38 Remove the screws that secure the palm rest to the computer base. screws (3) Remove the tape covering the power-button cable.
  • Page 39 Lift the latches and, using the pull-tabs, disconnect the power-button cable and the touchpad cable from the system board. power-button cable touchpad cable Close the display and turn the computer over.
  • Page 40 Remove the screws that secure the palm rest to the computer base. screws (8) computer base Using a plastic scribe, release the tabs on the palm rest from the slots on the computer base. plastic scribe palm rest computer base Turn the computer over and open the display as far as possible.
  • Page 41 Lift the palm rest from the bottom edge and away from the computer base. palm rest 10 Follow the procedure from step 2 to step 5 in “Removing the Power- Button Board”. 11 Follow the procedure from step 2 to step 3 in “Removing the Touchpad”.

  • Page 42: Replacing The Palm Rest

    After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure Follow the procedure from step 1 to step 3 in “Replacing the Touchpad”. Follow the procedure from step 1 to step 4 in “Replacing the...

  • Page 43: Removing The Power-Button Board

    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 battery. Remove the base cover.
  • Page 44 Lift the power-button board along with the cable off the palm rest. power-button board tape screw power-button cable...

  • Page 45: Replacing The Power-Button Board

    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 Route the power-button cable through the routing guides on the palm rest.

  • Page 46: Removing The Touchpad

    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 battery. Remove the base cover.
  • Page 47 Slide and remove the touchpad out of its slot on the palm rest. touchpad screws (2)

  • Page 48: Replacing The Touchpad

    After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure Slide and replace the touchpad into its slot on the palm rest. Align the screw holes on the touchpad with the screw holes on the palm rest.
  • Page 49 Replace the memory module(s). Replace the base cover. Replace the keyboard. Replace the battery.

  • Page 50: Removing The I/O Board

    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 battery. Remove the base cover.
  • Page 51 Lift the I/O board away from the computer base. system board I/O-board cable I/O board...

  • Page 52: Replacing The I/O Board

    After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure Slide the I/O-board cable into the I/O-board cable connector and press down on the latch to secure the cable.

  • Page 53: Removing The Speakers

    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 battery. Remove the base cover.
  • Page 54 Lift the speakers, along with the speaker cable, off the computer base. speakers (2) speaker cable...

  • Page 55: Replacing The Speakers

    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 Using the alignment posts on the computer base, place the speakers on the computer base.

  • Page 56: Removing The Coin-Cell Battery

    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.
  • Page 57 system board battery socket coin-cell battery plastic scribe...

  • Page 58: Replacing The Coin-Cell Battery

    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, snap the coin-cell battery into the battery socket on the system board.

  • Page 59: Removing The Power-Adapter Port

    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 battery. Remove the base cover.
  • Page 60 Lift the power-adapter port, along with its cable, off the computer base. power-adapter port cable power-adapter port...

  • Page 61: Replacing The Power-Adapter Port

    After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure Slide the power-adapter port into position. Route the power-adapter-port cable through the routing guides on the computer base.

  • Page 62: Removing The System Board

    After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. NOTE: Your computer’s Service Tag is stored in the system board. You must enter the Service Tag in the BIOS setup program after you replace the system board.
  • Page 63 Lift the latch and, using the pull-tab, disconnect the I/O-board cable from the connector on the system board. Disconnect the power-adapter-port cable and speaker cable from the connector on the system board. power-adapter port cable power-adapter port display cable speaker cable I/O-board cable Remove the screws that secure the system board to the computer base.
  • Page 64 Lift the system board off the computer base. system board screws (2)

  • Page 65: Replacing The System Board

    After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. NOTE: Your computer’s Service Tag is stored in the system board. You must enter the Service Tag in the BIOS setup program after you replace the system board.
  • Page 66 Replace the keyboard. Replace the optical drive. Replace the battery.

  • Page 67: Removing The Heat-Sink Assembly

    After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. WARNING: The heat sink may become hot during normal operation. Allow sufficient time for the heat sink to cool before you touch it.
  • Page 68 Lift the heat-sink assembly off the system board. fan cable system board captive screws (5) heat-sink assembly...

  • Page 69: Replacing The Heat-Sink Assembly

    After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. CAUTION: Incorrect alignment of the heat sink can cause damage to the system board and processor. Procedure Align the screw holes on the heat-sink assembly with the screw holes on the system board.

  • Page 70: Removing The Display Assembly

    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 battery. Remove the optical drive.
  • Page 71 Lift the display assembly off the computer base. display assembly screws (4) antenna cable computer base...

  • Page 72: Replacing The Display Assembly

    After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure Place the display assembly on the computer base and align the screw holes on the display assembly with the screw holes on the computer base.

  • Page 73: Removing The Display Bezel

    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 battery. Remove the optical drive.
  • Page 74 Remove the display bezel off the display back-cover. display bezel display back-cover...

  • Page 75: Replacing The Display Bezel

    After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure Align the display bezel with the display back-cover, and gently snap the display bezel into place.

  • Page 76: Removing The Display Hinges

    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 battery. Remove the optical drive.
  • Page 77 Lift the display hinges off the display back-cover. display back-cover display hinges (2) screws (8)

  • Page 78: Replacing The Display Hinges

    After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure Align the screw holes on the display hinges with the screw holes on the display back-cover.

  • Page 79: Removing The Display Panel

    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 battery. Remove the optical drive.
  • Page 80 Gently lift the display panel and turn it over. display panel screws (4) Peel the tape adhered over the display cable.
  • Page 81 Disconnect the display cable from the display-panel cable connector. display panel display back-cover display cable Lift the display panel away from the display back-cover.

  • Page 82: Replacing The Display Panel

    After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure Connect the display cable to the display-panel connector. Adhere the tape that secures the display cable.

  • Page 83: Removing The Camera

    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 battery. Remove the optical drive.
  • Page 84 Lift the camera off the display back-cover. camera camera cable...

  • Page 85: Replacing The Camera

    After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure Using the alignment post, place the camera on the display back-cover. Connect the camera cable to the camera connector.

  • Page 86: Flashing The Bios

    You may need to flash (update) the BIOS when an update is available or when you replace the system board. To flash the BIOS: Turn on the computer. Go to dell.com/support. If you have your computer's Service Tag, type your computer's Service Tag and click Submit.

  • Page 87: Getting Help And Contacting Dell

    Getting Help and Contacting Dell Self-Help Resources You can get information and help on Dell products and services using these online self-help resources: Self-Help Information Self-Help Options Windows 8.1 — Open the Search Accessing Windows Help charm, type Help and Support in the search box and press Enter.
  • Page 88 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.

This manual is also suitable for:

Inspiron 14 3000 seriesP53gInspiron 3000 seriesInspiron 14

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