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Dell Inspiron 14 5430 Service Manual
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Dell Inspiron 14 5430 Service Manual

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Inspiron 14 5430
Service Manual
Regulatory Model: P171G
Regulatory Type: P171G001
January 2023
Rev. A00

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Summary of Contents for Dell Inspiron 14 5430

  • Page 1 Inspiron 14 5430 Service Manual Regulatory Model: P171G Regulatory Type: P171G001 January 2023 Rev. A00...
  • Page 2 A WARNING indicates a potential for property damage, personal injury, or death. © 2023 Dell Inc. or its subsidiaries. All rights reserved. Dell Technologies, Dell, and other trademarks are trademarks of Dell Inc. or its subsidiaries. Other trademarks may be trademarks of their respective owners.

  • Page 3: Table Of Contents

    After working inside your computer..........................9 BitLocker..................................9 Chapter 2: Removing and installing components................10 Recommended tools................................10 Screw list..................................... 10 Major components of Inspiron 14 5430......................... 11 Base cover................................... 13 Removing the base cover ............................13 Installing the base cover ............................15 Battery....................................17 Lithium-ion battery precautions..........................17...
  • Page 4 Installing the touchpad ..............................39 Power-adapter port................................40 Removing the power-adapter port ........................40 Installing the power-adapter port ........................... 41 I/O-board cable ................................42 Removing the I/O daughter-board cable ......................42 Installing the I/O daughter-board cable ....................... 43 I/O board.....................................44 Removing the I/O daughter-board ........................44 Installing the I/O daughter-board ..........................
  • Page 5 Handling swollen Lithium-ion batteries........................76 Locate the Service Tag or Express Service Code of your Dell computer ..........76 Dell SupportAssist Pre-boot System Performance Check diagnostics..............77 Running the SupportAssist Pre-Boot System Performance Check..............77 Built-in self-test (BIST)..............................77 M-BIST................................... 77 LCD Power rail test (L-BIST)........................... 78 LCD Built-in Self Test (BIST)...........................

  • Page 6: Chapter 1: Working Inside Your Computer

    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 is shipped with the product or at www.dell.com/regulatory_compliance.

  • Page 7: Safety Precautions

    Ensure that your computer is shut down and the AC adapter is disconnected. a. Hold <B> key on the keyboard and press the power button for 3 seconds or until the Dell logo appears on the screen. b. Press any key to continue.

  • Page 8: Esd Field Service Kit

    Due to the increased density of semiconductors used in recent Dell products, the sensitivity to static damage is now higher than in previous Dell products. For this reason, some previously approved methods of handling parts are no longer applicable. Two recognized types of ESD damage are catastrophic and intermittent failures.

  • Page 9: Transporting Sensitive Components

    Transporting sensitive components When transporting ESD sensitive components such as replacement parts or parts to be returned to Dell, it is critical to place these parts in anti-static bags for safe transport.

  • Page 10: Chapter 2: Removing And Installing Components

    Removing and installing components NOTE: The images in this document may differ from your computer depending on the configuration you ordered. Recommended tools The procedures in this document may require the following tools: ● Phillips screwdriver #0 ● Phillips screwdriver #1 ●...

  • Page 11: Major Components Of Inspiron 14 5430

    Power button with optional M2x3 fingerprint reader USB Type-C port bracket M2x4 Downfiring speakers: 3 Upfiring speakers: 2 System board M2x1.8 Major components of Inspiron 14 5430 The following image shows the major components of Inspiron 14 5430. Removing and installing components...
  • Page 12 1. Base cover 2. Heat sink 3. Battery 4. System board 5. Speakers 6. Touchpad 7. Palm-rest and keyboard assembly 8. Display assembly 9. Coin-cell battery 10. I/O daughter-board 11. I/O daughter-board cable 12. Power button with optional fingerprint reader 13.

  • Page 13: Base Cover

    NOTE: Dell provides a list of components and their part numbers for the original system configuration purchased. These parts are available according to warranty coverages purchased by the customer. Contact your Dell sales representative for purchase options. Base cover Removing the base cover Prerequisites 1.
  • Page 14 Removing and installing components...

  • Page 15: Installing The Base Cover

    Steps 1. For computers shipped with downfiring speakers, remove the six screws (M2x4) that secure the base cover to the palm-rest and keyboard assembly. 2. For computers shipped with upfiring speakers, remove the five screws (M2x4) that secure the base cover to the palm-rest and keyboard assembly.
  • Page 16 Removing and installing components...

  • Page 17: Battery

    Steps 1. Connect the battery cable to the connector on the system board. 2. Adhere the tape to secure the battery cable to the connector on the system board. 3. Place the base cover on top of the palm-rest and keyboard assembly. 4.

  • Page 18: Removing The 3-Cell Battery

    ● If the battery gets stuck inside your computer as a result of swelling, do not try to release it as puncturing, bending, or crushing a lithium-ion battery can be dangerous. In such an instance, contact Dell technical support for assistance. See www.dell.com/contactdell.

  • Page 19: Installing The 3-Cell Battery

    Installing the 3-cell battery Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following image indicates the location of the 3-cell battery and provides a visual representation of the installation procedure. Steps 1.

  • Page 20: Installing The 4-Cell Battery

    Steps 1. Remove the five screws (M2x3) that secure the 4-cell battery to the palm-rest and keyboard assembly. 2. Lift the 4-cell battery, along with the battery cable, off the palm-rest and keyboard assembly. Installing the 4-cell battery Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following image indicates the location of the 4-cell battery and provides a visual representation of the installation procedure.

  • Page 21: M.2 Solid-State Drive

    Steps 1. Place the 4-cell battery, along with the battery cable, in the slot on the palm-rest and keyboard assembly. 2. Align the screw holes on the 4-cell battery to the screw holes on the palm-rest and keyboard assembly. 3. Replace the five screws (M2x3) to secure the 4-cell battery to the palm-rest and keyboard assembly. Next steps 1.
  • Page 22 If you are replacing the M.2 2280 solid-state drive (shipped with the computer) with an M.2 2230 solid-state drive, a mounting bracket for the M.2 2230 solid-state drive is required. Please contact Dell support to purchase the mounting bracket for the M.2 2230 solid-state drive.

  • Page 23: Installing The M.2 2230 Solid-State Drive

    If you are replacing the M.2 2280 solid-state drive (shipped with the computer) with an M.2 2230 solid-state drive, a mounting bracket for the M.2 2230 solid-state drive is required. Please contact Dell support to purchase the mounting bracket for the M.2 2230 solid-state drive.

  • Page 24: Removing The M.2 2280 Solid-State Drive

    Steps 1. Align the round notch on the M.2 2230 solid-state drive to the screw hole on the M.2 2230 solid-state drive bracket. 2. Replace the screw (M2x1.8) to secure the M.2 2230 solid-state drive to the M.2 2230 solid-state drive bracket. 3.

  • Page 25: Installing The M.2 2280 Solid-State Drive

    If you are replacing the M.2 2280 solid-state drive (shipped with the computer) with an M.2 2230 solid-state drive, a mounting bracket for the M.2 2230 solid-state drive is required. Please contact Dell support to purchase the mounting bracket for the M.2 2230 solid-state drive.
  • Page 26 If you are replacing the M.2 2280 solid-state drive (shipped with the computer) with an M.2 2230 solid-state drive, a mounting bracket for the M.2 2230 solid-state drive is required. Please contact Dell support to purchase the mounting bracket for the M.2 2230 solid-state drive.

  • Page 27: Wireless Card

    Wireless card Removing the wireless card Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the base cover. About this task The following images indicate the location of the wireless card and provide a visual representation of the removal procedure. Steps 1.
  • Page 28 About this task The following images indicate the location of the wireless card and provide a visual representation of the installation procedure. Steps 1. Connect the WLAN antenna cables to the connectors on the wireless card. Table 2. Antenna-cable color scheme Connectors on the Antenna-cable color Silkscreen marking...

  • Page 29: Fan

    Removing the fan Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the base cover. About this task The following image indicates the location of the fan and provides a visual representation of the removal procedure. Steps 1.

  • Page 30: Heat Sink

    Steps 1. Place the fan on the palm-rest and keyboard assembly. 2. Align the screw holes on the fan to the screw holes on the palm-rest and keyboard assembly. 3. Replace the two screws (M2x3) to secure the fan to the palm-rest and keyboard assembly. 4.

  • Page 31: Installing The Heat Sink - Integrated

    Steps 1. Loosen the four captive screws that secure the integrated heat sink to the system board. NOTE: Loosen the four captive screws in the reverse sequential order mentioned on the integrated heat sink [4 > 3 > 2 > 1]. 2.

  • Page 32: Removing The Heat Sink - Discrete

    Steps 1. Place the integrated heat sink on the system board. 2. Align the screw holes on the integrated heat sink to the screw holes on the system board. 3. Tighten the four captive screws to secure the integrated heat sink to the system board. NOTE: Tighten the four captive screws in the sequential order mentioned on the integrated heat sink [1 >...

  • Page 33: Installing The Heat Sink - Discrete

    Steps 1. Loosen the seven captive screws that secure the discrete heat sink to the system board. NOTE: Loosen the seven captive screws in the reverse sequential order mentioned on the discrete heat sink [7 > 6 > 5 > 4 > 3 > 2 > 1]. 2.

  • Page 34: Speakers

    Steps 1. Place the discrete heat sink on the system board. 2. Align the screw holes on the discrete heat sink to the screw holes on the system board. 3. Tighten the seven captive screws to secure the discrete heat sink to the system board. NOTE: Tighten the seven captive screws in the sequential order mentioned on the discrete heat sink [1 >...
  • Page 35 Figure 1. Removing the downfiring speakers Removing and installing components...

  • Page 36: Installing The Speakers

    Figure 2. Removing the upfiring speakers Steps 1. Open the latch and disconnect the touchpad cable from the connector on the system board. 2. Open the latch and disconnect the keyboard cable from the connector on the system board. 3. Open the latch and disconnect the keyboard-backlight cable from the connector on the system board. 4.
  • Page 37 Figure 3. Installing the downfiring speakers Removing and installing components...

  • Page 38: Touchpad

    Figure 4. Installing the upfiring speakers Steps 1. Using the alignment posts and rubber grommets, place the left and right speakers into the slots on the palm-rest and keyboard assembly. NOTE: Ensure that the alignment posts are threaded through the rubber grommets on the speakers. 2.

  • Page 39: Installing The Touchpad

    About this task The following images indicate the location of the touchpad and provide a visual representation of the removal procedure. Steps 1. Peel the tape that secures the touchpad to the palm-rest and keyboard assembly. 2. Open the latch and disconnect the touchpad flexible flat cable from the connector on the system board. 3.

  • Page 40: Power-Adapter Port

    Steps 1. Align and place the touchpad, along with the touchpad flexible flat cable, in the slot on the palm-rest and keyboard assembly. 2. Align the screw holes on the touchpad to the screw holes on the palm-rest and keyboard assembly. 3.

  • Page 41: Installing The Power-Adapter Port

    Steps 1. Remove the two screws (M2.5x3.5) that secure the right display hinge to the system board and the palm-rest and keyboard assembly. 2. Using a plastic scribe, pry open the right display hinge upwards at an angle of 90 degrees. 3.

  • Page 42: I/O-Board Cable

    Steps 1. Place the power-adapter port, along with the cable, in the slot on the palm-rest and keyboard assembly. 2. Route the power-adapter port cable through the routing guide on the palm-rest and keyboard assembly. 3. Connect the power-adapter port cable to the connector on the system board. 4.

  • Page 43: Installing The I/O Daughter-Board Cable

    Steps 1. Peel back the tape that secures the I/O daughter-board cable to the fan. 2. Peel back the tape that secures the I/O daughter-board cable to the connector on the system board. 3. Open the latch and disconnect the I/O daughter-board cable from the connector on the system board. 4.

  • Page 44: I/O Board

    Steps 1. Connect the I/O daughter-board cable to the connector on the I/O daughter-board and close the latch. 2. Adhere the tape to secure the I/O daughter-board cable to the connector on the I/O daughter-board. 3. Carefully route the I/O daughter-board cable through the routing guides on palm-rest and keyboard assembly. 4.

  • Page 45: Installing The I/O Daughter-Board

    Steps 1. Remove the two screws (M2.5x3.5) that secure the left display hinge to the I/O daughter-board and the palm-rest and keyboard assembly. 2. Using a plastic scribe, pry open the left display hinge upwards at an angle of 90 degrees. 3.

  • Page 46: Coin-Cell Battery

    Steps 1. Align the ports on the I/O daughter-board to the port openings on the palm-rest and keyboard assembly. 2. Carefully slide and place the I/O daughter-board at an angle, on the palm-rest and keyboard assembly. 3. Align the screw hole on the I/O daughter-board to the screw hole on the palm-rest and keyboard assembly. 4.

  • Page 47: Installing The Coin-Cell Battery

    About this task The following image indicates the location of the coin-cell battery and provides a visual representation of the removal procedure. Steps 1. Disconnect the coin-cell battery from the connector on the I/O daughter-board. 2. Using a plastic scribe, pry the coin-cell battery off the slot on the palm-rest and keyboard assembly. Installing the coin-cell battery Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.

  • Page 48: Power Button

    Steps 1. Place the coin-cell battery on the slot on the palm-rest and keyboard assembly. 2. Connect the coin-cell battery cable to the connector on the I/O daughter-board. Next steps 1. Install the I/O daughter-board cable. 2. Install the base cover.

  • Page 49: Installing The Power Button

    Steps 1. Remove the screw (M2x3) that secures the power button to the palm-rest and keyboard assembly. 2. Lift the power button off the slot on the palm-rest and keyboard assembly. Installing the power button Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following image indicates the location of the power button and provides a visual representation of the installation procedure.

  • Page 50: Power Button With Optional Fingerprint Reader

    Steps 1. Place the power button in the slot on the palm-rest and keyboard assembly. 2. Align the screw hole on the power button to the screw hole on the palm-rest and keyboard assembly. 3. Replace the screw (M2x3) to secure the power button to the palm-rest and keyboard assembly. Next steps 1.

  • Page 51: Installing The Power Button With Optional Fingerprint Reader

    Steps 1. Carefully peel off the tape that secures the fingerprint reader flexible printed circuits cable to the palm-rest and keyboard assembly. 2. Remove the screw (M2x3) that secures the power button with optional fingerprint reader to the palm-rest and keyboard assembly.

  • Page 52: Display Assembly

    Steps 1. Place the power button with optional fingerprint reader in the slot on the palm-rest and keyboard assembly. 2. Align the screw hole on the power button with optional fingerprint reader to the screw hole on the palm-rest and keyboard assembly.
  • Page 53 Removing and installing components...
  • Page 54 Steps 1. Peel back the tape that secures the display cable to the connector on the system board. 2. Open the latch and disconnect the display cable from the connector on the system board. 3. Remove the two screws (M2.5x3.5) that secure the left display hinge to the I/O daughter-board and palm-rest and keyboard assembly.

  • Page 55: Installing The Display Assembly

    4. Remove the two screws (M2.5x3.5) that secure the right display hinge to the system board and palm-rest and keyboard assembly. 5. Using a plastic scribe, pry open the left display hinge upwards at an angle of 90 degrees. 6. Using a plastic scribe, pry open the right display hinge upwards at an angle of 90 degrees. 7.
  • Page 56 Steps 1. Place the display assembly on a clean and flat surface with the display panel facing up. 2. Gently slide the palm-rest and keyboard assembly at an angle and place the palm-rest and keyboard assembly under the display hinges. CAUTION: To avoid damaging the display, do not slide the palm-rest and keyboard assembly over the display assembly.

  • Page 57: System Board

    Next steps 1. Install the base cover. 2. Follow the procedure in After working inside your computer. System board Removing the system board Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the base cover. 3. Remove the 3-cell battery or the 4-cell...
  • Page 58 10. Speaker cable connector 11. M.2 2230/2280 solid-state drive connector The following images indicate the location of the system board and provide a visual representation of the removal procedure. Removing and installing components...
  • Page 59 Steps 1. Remove the two screws (M2.5x3.5) that secure the right display hinge to the system board and the palm-rest and keyboard assembly. 2. Using a plastic scribe, pry open the right display hinge upwards at an angle of 90 degrees. 3.

  • Page 60: Installing The System Board

    Installing the system board Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following image indicates the connectors on your system board. 1. I/O daughter-board cable connector 2. Fan cable connector 3.
  • Page 61 Removing and installing components...
  • Page 62 Steps 1. Align the ports on the system board to the port openings on the palm-rest and keyboard assembly. 2. Carefully slide and place the system board at an angle, on the palm-rest and keyboard assembly. 3. Align the screw holes on the system board to the screw holes on the palm-rest and keyboard assembly. 4.

  • Page 63: Palm-Rest And Keyboard Assembly

    Next steps 1. Install the heat sink - integrated or the heat sink - discrete, whichever applicable. 2. Install the fan. 3. Install the wireless card. 4. Install the M.2 2230 solid-state drive or the M.2 2280 solid-state drive, whichever applicable. 5.

  • Page 64: Installing The Palm-Rest And Keyboard Assembly

    Steps After performing the steps in the pre-requisites, you are left with the palm-rest and keyboard assembly. Installing the palm-rest and keyboard assembly Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following image indicates the location of the palm-rest and keyboard assembly and provides a visual representation of the installation procedure.
  • Page 65 Steps Place the palm-rest and keyboard assembly on a flat and clean surface and perform the post-requisites to install the palm-rest and keyboard assembly. Next steps 1. Install the system board. 2. Install the display assembly. 3. Install the power button or the power button with optional fingerprint reader, whichever applicable.

  • Page 66: Chapter 3: Drivers And Downloads

    Drivers and downloads When troubleshooting, downloading or installing drivers it is recommended that you read the Dell Knowledge Based article, Drivers and Downloads FAQ 000123347. Drivers and downloads...

  • Page 67: Chapter 4: Bios Setup

    BIOS setup CAUTION: Unless you are an expert computer user, do not change the settings in the BIOS Setup program. Certain changes can make your computer work incorrectly. NOTE: Depending on the computer and its installed devices, the items listed in this section may or may not be displayed. NOTE: Before you change BIOS Setup program, it is recommended that you write down the BIOS Setup program screen information for future reference.

  • Page 68: One Time Boot Menu

    Depending on your computer and its installed devices, the items that are listed in this section may or may not appear. Table 4. System setup options — System information menu Overview Inspiron 14 5430 BIOS Version Displays the BIOS version number. Service Tag Displays the Service Tag of the computer.
  • Page 69 Table 4. System setup options — System information menu (continued) Overview Microcode Version Displays the microcode version. Intel Hyper-Threading Capable Displays whether the processor is Hyper-Threading (HT) capable or not. 64-Bit Technology Displays whether 64-bit technology is used or not. Memory Information Memory Installed Displays the total computer memory installed.
  • Page 70 Table 6. System setup options — Integrated Devices menu (continued) Integrated Devices Audio Enables or disables the integrated audio controller. By default, all the options are enabled. Enable Microphone Enables or disables the microphone. By default, the option is enabled. Enable Internal Speaker Enables or disables the internal speaker.
  • Page 71 Enables or disables cloud Service OS recovery if the main OS fails to boot within the number of failures equal or greater than the value specified by Dell Auto OS Recovery Threshold, and local Service does not boot, or is not installed.

  • Page 72: Updating The Bios

    Updating the BIOS Updating the BIOS in Windows Steps 1. Go to www.dell.com/support. 2. Click Product support. In the Search support box, enter the Service Tag of your computer, and then click Search. NOTE: If you do not have the Service Tag, use the SupportAssist feature to automatically identify your computer. You can also use the product ID or manually browse for your computer model.

  • Page 73: Updating The Bios Using The Usb Drive In Windows

    One-Time boot menu on the computer. Most of the Dell computers built after 2012 have this capability, and you can confirm by booting your computer to the F12 One-Time Boot Menu to see if BIOS FLASH UPDATE is listed as a boot option for your computer. If the option is listed, then the BIOS supports this BIOS update option.

  • Page 74: System And Setup Password

    2. Turn on the computer and press F12 to access the One-Time Boot Menu, select BIOS Update using the mouse or arrow keys then press Enter. The flash BIOS menu is displayed. 3. Click Flash from file. 4. Select external USB device. 5.

  • Page 75: Deleting Or Changing An Existing System Setup Password

    Clearing BIOS (System Setup) and System passwords About this task To clear the system or BIOS passwords, contact Dell technical support as described at www.dell.com/contactdell. NOTE: For information on how to reset Windows or application passwords, refer to the documentation accompanying Windows or your application.

  • Page 76: Chapter 5: Troubleshooting

    ● Using a non-Dell or incompatible battery may increase the risk of fire or explosion. Replace the battery only with a compatible battery purchased from Dell that is designed to work with your Dell computer. Do not use a battery from other computers with your computer.

  • Page 77: Dell Supportassist Pre-Boot System Performance Check Diagnostics

    Check diagnostics About this task SupportAssist diagnostics (also known as system diagnostics) performs a complete check of your hardware. The Dell SupportAssist Pre-boot System Performance Check diagnostics is embedded with the BIOS and is launched by the BIOS internally. The embedded system diagnostics provides a set of options for particular devices or device groups allowing you to: ●...

  • Page 78: Lcd Power Rail Test (L-Bist)

    LCD Built-in Self Test (BIST) Dell laptops have a built-in diagnostic tool that helps you determine if the screen abnormality you are experiencing is an inherent problem with the LCD (screen) of the Dell laptop or with the video card (GPU) and PC settings.

  • Page 79: System-Diagnostic Lights

    System-diagnostic lights This section lists the system-diagnostic lights of your Inspiron 14 5430. Table 19. System-diagnostic lights Blinking pattern Amber White Problem description Suggested resolution TPM detection failure Replace the system board. Unrecoverable SPI flash Replace the system board. failure...

  • Page 80: Recovering The Operating System

    It enables you to diagnose hardware issues, repair your computer, back up your files, or restore your computer to its factory state. You can also download it from the Dell Support website to troubleshoot and fix your computer when it fails to boot into their primary operating system due to software or hardware failures.

  • Page 81: Backup Media And Recovery Options

    Backup media and recovery options It is recommended to create a recovery drive to troubleshoot and fix problems that may occur with Windows. Dell proposes multiple options for recovering Windows operating system on your Dell PC. For more information. see...

  • Page 82: Chapter 6: 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 self-help resources: Table 20. Self-help resources Self-help resources Resource location Information about Dell products and services www.dell.com Tips Contact Support In Windows search, type Contact Support, and press Enter.

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