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Dell Inspiron 14 5415 Service Manual
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Dell Inspiron 14 5415 Service Manual

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Inspiron 14 5415
Service Manual
Regulatory Model: P143G
Regulatory Type: P143G002
September 2021
Rev. A01

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Summary of Contents for Dell Inspiron 14 5415

  • Page 1 Inspiron 14 5415 Service Manual Regulatory Model: P143G Regulatory Type: P143G002 September 2021 Rev. A01...
  • Page 2 A WARNING indicates a potential for property damage, personal injury, or death. © 2021 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, 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

    Transporting sensitive components..........................9 After working inside your computer..........................9 Chapter 2: Removing and installing components................10 Recommended tools................................10 Screw list..................................... 10 Major components of Inspiron 14 5415..........................11 Base cover................................... 12 Removing the base cover............................12 Installing the base cover.............................14 Battery cable..................................16 Removing the 3-cell battery cable...........................
  • Page 4 Installing the power-adapter port..........................37 Display assembly................................38 Removing the display assembly..........................38 Installing the display assembly..........................39 I/O board....................................41 Removing the I/O board.............................41 Installing the I/O board.............................. 42 Speakers....................................43 Removing the speakers..............................43 Installing the speakers..............................44 Touchpad.....................................45 Removing the touchpad.............................45 Installing the touchpad...............................46 Fan......................................
  • Page 5 Locate the Service Tag or Express Service Code of your Dell computer ..........73 System-diagnostic lights..............................74 SupportAssist | On-board Diagnostics......................... 75 Recovering the operating system..........................75 WiFi power cycle................................75 Drain residual flea power (perform hard reset)......................76 Chapter 6: Getting help and contacting Dell................77...

  • 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: Radiation Exposure Statement

    ESD protection is an increasing concern. 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.

  • Page 8: Esd Field Service Kit

    It is recommended that all field service technicians use the traditional wired ESD grounding wrist strap and protective anti-static mat at all times when servicing Dell products. In addition, it is critical that technicians keep sensitive parts separate from all insulator parts while performing service and that they use anti-static bags for transporting sensitive components.

  • 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. Lifting equipment Adhere to the following guidelines when lifting heavy weight equipment: CAUTION: Do not lift greater than 50 pounds.

  • 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 #1 ● Plastic scribe Screw list NOTE: When removing screws from a component, it is recommended to note the screw type, the quantity of screws, and...

  • Page 11: Major Components Of Inspiron 14 5415

    Palm-rest and keyboard M2.5x4 assembly I/O board Palm-rest and keyboard M2x3 assembly System board Palm-rest and keyboard M2x2 assembly Major components of Inspiron 14 5415 The following image shows the major components of Inspiron 14 5415. Removing and installing components...

  • Page 12: Base Cover

    18. Power-adapter port 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.
  • Page 13 Removing and installing components...

  • Page 14: Installing The Base Cover

    Steps 1. Remove the five screws (M2x4) that secure the base cover to the palm-rest and keyboard assembly. 2. Loosen the two captive screws that secure the base cover to the palm-rest and keyboard assembly. 3. Using a plastic scribe, pry the base cover from the bottom left and continue to work on the sides to open the base cover. 4.
  • Page 15 Removing and installing components...

  • Page 16: Battery Cable

    Steps 1. Connect the battery cable to the system board. 2. Adhere the tape that secures the battery cable to the battery. 3. Place and snap the base cover into place on the palm-rest and keyboard assembly. 4. Tighten the two captive screws that secure the base cover to the palm-rest and keyboard assembly. 5.

  • Page 17: Installing The 3-Cell Battery Cable

    Steps 1. Peel the tape that secures the battery cable to the 3-cell battery. 2. Disconnect the battery cable from the system board. 3. Remove the battery cable from the routing guides on the 3-cell battery. 4. Disconnect the battery cable from the 3-cell battery. 5.

  • Page 18: Removing The 4-Cell Battery Cable

    Steps 1. Connect the battery cable to the 3-cell battery. 2. Route the battery cable through the routing guides on the 3-cell battery. 3. Connect the battery cable to the system board. 4. Adhere the tape that secures the battery cable to the 3-cell battery. Next steps 1.

  • Page 19: Installing The 4-Cell Battery Cable

    Steps 1. Peel the tape that secures the battery cable to the 4-cell battery. 2. Disconnect the battery cable from the system board. 3. Remove the battery cable from the routing guides on the 4-cell battery. 4. Disconnect the battery cable from the 4-cell battery. 5.

  • Page 20: Battery

    Steps 1. Connect the battery cable to the 4-cell battery. 2. Route the battery cable through the routing guides on the 4-cell battery. 3. Connect the battery cable to the system board. 4. Adhere the tape that secures the battery cable to the 4-cell battery. Next steps 1.

  • Page 21: 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 22: Removing The 4-Cell Battery

    About this task The following image(s) indicate the location of the 3-cell battery and provides a visual representation of the installation procedure. Steps 1. Align the screw holes on the battery with the screw holes on the palm-rest and keyboard assembly. 2.

  • Page 23: Installing The 4-Cell Battery

    Steps 1. Peel the tape that secures the battery cable to the 4-cell battery. 2. Disconnect the battery cable from the system board, if applicable. 3. Remove the five screws (M2x3) that secure the battery to the palm-rest and keyboard assembly. 4.

  • Page 24: Coin-Cell Battery

    Steps 1. Align the screw holes on the battery with the screw holes on the palm-rest and keyboard assembly. 2. Replace the five screws (M2x3) that secure the battery to the palm-rest and keyboard assembly. 3. Connect the battery cable to the system board. 4.

  • Page 25: Installing The Coin-Cell Battery

    Steps 1. Disconnect the coin-cell battery from the I/O board. 2. Peel and lift the coin-cell battery from 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 process. About this task The following image(s) indicate the location of the coin-cell battery and provides a visual representation of the installation procedure.

  • Page 26: Solid-State Drive

    Steps 1. Connect the coin-cell battery cable to the I/O board. 2. Adhere the coin-cell battery to the palm-rest and keyboard assembly. Next steps 1. Install the base cover. 2. Follow the procedure in After working inside your computer. Solid-state drive Removing the M.2 2230 solid-state drive Prerequisites 1.

  • Page 27: Installing The M.2 2230 Solid-State Drive

    The following image(s) indicate the location of the M.2 2230 solid-state drive and provides a visual representation of the removal procedure. Steps 1. Remove the screw (M2x3) that secures the M.2 2230 solid-state drive to the system board. 2. Slide and lift the M.2 2230 solid-state drive off the system board. 3.

  • Page 28: Removing The M.2 2280 Solid-State Drive

    Steps 1. Align the notch on the M.2 2230 solid-state drive with the tab on the M.2 card slot on the system board. 2. Slide the M.2 2230 solid-state drive into the M.2 card slot on the system board. 3. Replace the screw (M2x3) that secures the M.2 2230 solid-state drive to the system board. Next steps 1.

  • Page 29: Installing The M.2 2280 Solid-State Drive

    Steps 1. Remove the screw (M2x3) that secures the M.2 2280 solid-state drive to the palm-rest and keyboard assembly. 2. Slide and remove the M.2 2280 solid-state drive from the M.2 card slot on the system board. Installing the M.2 2280 solid-state drive Prerequisites If you are replacing a component, remove the existing component before performing the installation process.

  • Page 30: Installing The Solid-State Drive Mounting Bracket

    Steps 1. Align the notch on the M.2 2280 solid-state drive with the tab on the M.2 card slot on the system board. 2. Slide the M.2 2280 solid-state drive into the M.2 card slot on the system board. 3. Replace the screw (M2x3) that secures the M.2 2280 solid-state drive to the palm-rest and keyboard assembly. Next steps 1.
  • Page 31 The following image provides a visual representation of the procedure to install the solid-state drive mounting bracket when replacing a M.2 2280 solid-state drive with a M.2 2230 solid-state drive. Steps 1. Remove the 2230 solid-state drive 2280 solid-state drive, whichever applicable. 2.

  • Page 32: Memory Module

    Memory module Removing the memory Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the base cover. About this task The following image(s) indicate the location of the memory and provides a visual representation of the removal procedure. Steps 1.

  • Page 33: Installing The Memory

    NOTE: Your computer may have up to two memory modules installed. Repeat steps 1 to 3 if there is a second memory module installed. Installing the memory Prerequisites If you are replacing a component, remove the existing component before performing the installation process. About this task The following image(s) indicate the location of the memory and provides a visual representation of the installation procedure.

  • Page 34: Wireless Card

    NOTE: Repeat steps 1 to 4 for each memory module being installed into your computer. Next steps 1. Install the base cover. 2. Follow the procedure in After working inside your computer. Wireless card Removing the wireless card Prerequisites 1. Follow the procedure in Before working inside your computer.

  • Page 35: Installing The Wireless Card

    Steps 1. Remove the screw (M2x4) that secures the wireless-card bracket to the wireless card and system board. 2. Lift the wireless-card bracket off the wireless card. 3. Disconnect the antenna cables from the wireless card. 4. Slide and remove the wireless card from the M.2 card slot on the system board. Installing the wireless card Prerequisites If you are replacing a component, remove the existing component before performing the installation process.

  • Page 36: Power-Adapter Port

    Table 2. Antenna-cable color scheme Connectors on the Antenna-cable color Silkscreen marking wireless card △ (white triangle) Main White MAIN Auxiliary Black ▲ (black triangle) 2. Place the wireless-card bracket on the wireless card. 3. Align the notch on the wireless card with the tab on the M.2 card slot on the system board. 4.

  • Page 37: Installing The Power-Adapter Port

    2. Pry open the right-display hinge at an angle of 90 degrees. 3. Peel the tape that covers the power-adapter port connector on the system board. 4. Disconnect the power-adapter port from the system board. 5. Remove the power-adapter port cable from the routing guides on the palm-rest and keyboard assembly. 6.

  • Page 38: Display Assembly

    Display assembly Removing the display assembly Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the base cover. About this task The following image(s) indicate the location of the display assembly and provides a visual representation of the removal procedure.

  • Page 39: Installing The Display Assembly

    Steps 1. Peel the tape that secures the display-cable connector latch to the system board. 2. Lift the latch and disconnect the display-cable from the connector on the system board. 3. Remove the two screws (M2.5x4) that secure the right-display hinge to the system board. 4.
  • Page 40 Steps 1. Place the display assembly on a clean and flat surface with the display panel facing up. 2. Gently 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 41: I/O Board

    Next steps 1. Install the base cover. 2. Follow the procedure in After working inside your computer. I/O board Removing the I/O board Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the base cover. About this task The following image(s) indicate the location of the I/O board and provides a visual representation of the removal procedure.

  • Page 42: Installing The I/O Board

    Installing the I/O board Prerequisites If you are replacing a component, remove the existing component before performing the installation process. About this task The following image(s) indicate the location of the I/O board and provides a visual representation of the installation procedure. Steps 1.

  • Page 43: Speakers

    Speakers Removing the speakers 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 battery, whichever applicable. About this task The following image(s) indicate the location of the speakers and provides a visual representation of the removal procedure. Steps 1.

  • Page 44: Installing The Speakers

    2. Lif the I/O-board cable and antenna cables and move them out of the way. 3. Lift the latch and disconnect the touchpad cable from the system board. 4. Lift the latch and disconnect the keyboard cable from the system board. 5.

  • Page 45: Touchpad

    Steps 1. Using the alignment posts, place the left and right speakers on the palm-rest and keyboard assembly. NOTE: Ensure that the alignment posts are threaded through the rubber grommets on the speaker. 2. Route the speaker cable through the routing guides on the palm-rest and keyboard assembly. 3.

  • Page 46: Installing The Touchpad

    Steps 1. Open the latch and disconnect the touchpad cable from the touchpad. 2. Remove the three screws (M1.6x2) that secure the touchpad bracket to the palm-rest and keyboard assembly. 3. Lift the touchpad bracket off the palm-rest and keyboard assembly. 4.

  • Page 47: Fan

    3. Close the display and place the computer in the position shown. 4. Replace the two screws (M2x1.8) that secure the touchpad to the palm-rest and keyboard assembly. 5. Place the touchpad bracket on the touchpad. 6. Align the screw holes on the touchpad bracket to the screw holes on the palm-rest and keyboard assembly. 7.

  • Page 48: Installing The Fan

    Steps 1. Disconnect the fan cable from the system board. 2. Remove the two screws (M2x3) that secure the fan to the palm-rest and keyboard assembly. 3. Lift the fan off the palm-rest and keyboard assembly. Installing the fan Prerequisites If you are replacing a component, remove the existing component before performing the installation process.

  • Page 49: Heat Sink

    Heat sink Removing the heat sink Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the base cover. About this task CAUTION: The heat sink may become hot during normal operation. Allow sufficient time for the heat sink to cool before you touch it.

  • Page 50: Installing The Heat Sink

    Installing the heat sink Prerequisites If you are replacing a component, remove the existing component before performing the installation process. About this task NOTE: If either the system board or the heat sink is replaced, use the thermal grease provided in the kit to ensure that thermal conductivity is achieved.

  • Page 51: Power Button With Optional Fingerprint Reader

    Power button with optional fingerprint reader Removing the power-button with optional fingerprint reader Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the base cover. 3. Remove the board. About this task The following image(s) indicate the location of the power-button with optional fingerprint reader and provides a visual representation of the removal procedure.

  • Page 52: System Board

    About this task The following image(s) indicate the location of the power-button with optional fingerprint reader and provides a visual representation of the installation procedure. Steps 1. Using the alignment posts, place the power-button with optional fingerprint reader into its slot on the palm-rest and keyboard assembly.
  • Page 53 6. Remove the memory. 7. Remove the wireless card. 8. Remove the heat sink. About this task The following image indicates the connectors on your system board. 1. display cable 2. power-adapter port-cable 3. keyboard-backlight cable 4. keyboard cable 5. touchpad cable 6.
  • Page 54 Removing and installing components...

  • Page 55: Installing The System Board

    Steps 1. Remove the two screws (M2.5x4) that secure the right-display hinge to the system board. 2. Pry open the right-display hinge at an angle of 90 degrees. 3. Peel the tape that covers the power-adapter port cable-connector on the system board. 4.
  • Page 56 1. display cable 2. power-adapter port-cable 3. keyboard-backlight cable 4. keyboard cable 5. touchpad cable 6. speaker cable 7. I/O-board cable 8. fan cable The following image(s) indicate the location of the system board and provides a visual representation of the installation procedure.
  • Page 57 Removing and installing components...
  • Page 58 Steps 1. Place the system board on the palm-rest and keyboard assembly. 2. Align the screw holes on the system board with the screw holes on the palm-rest and keyboard assembly. 3. Replace the two screws (M2x2) that secure the system board to the palm-rest and keyboard assembly. 4.

  • Page 59: Palm-Rest And Keyboard Assembly

    11. Connect the fan cable to the system board. 12. Connect the display cable to the connector on the system board and close the latch. 13. Adhere the tape that secures the display-cable connector latch to the system board. 14. Connect the power-adapter port cable to the system board, 15.

  • Page 60: Installing The Palm-Rest And Keyboard Assembly

    Steps After performing 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 process. About this task The following image(s) indicate the location of the palm-rest and keyboard assembly and provides a visual representation of the installation procedure.
  • Page 61 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 power-button with optional fingerprint reader. 3. Install the display assembly.

  • Page 62: 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 63: Chapter 4: System Setup

    System 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 64: Boot Sequence

    Boot Sequence allows you to bypass the System Setup–defined boot device order and boot directly to a specific device (for example: optical drive or hard drive). During the Power-on Self Test (POST), when the Dell logo appears, you can: ● Access System Setup by pressing F2 key ●...
  • Page 65 Table 5. System setup options—Advance menu Advance Virtualization Specify whether a Virtual Machine Monitor (VMM) can utilize the additional hardware capabilities provided by Onboard Virtualization Technology. Options are: ● Enabled (Default) ● Disabled Integrated NIC Allows pre-OS and early OS networking features to use any enabled NICs. Options are: ●...
  • Page 66 Table 5. System setup options—Advance menu (continued) Advance Options are: ● Enabled (Default) ● Disabled Internal Bluetooth Allows to Switch-on/switch-off the Bluetooth. Options are: ● Enabled (Default) ● Disabled Internal WLAN Allows to Switch-on/switch-off the Wireless Card. Options are: ● Enabled (Default) ●...
  • Page 67 Table 5. System setup options—Advance menu (continued) Advance ● Enabled (Default) ● Disabled BIOS Auto Recovery Performs auto firmware reset when corrupted BIOS is detected. Options are: ● Disabled (Default) ● Enabled SupportAssist System Resolution Onboard Diagnostics Auto OS Recovery Threshold Performs SupportAssist OS recovery after the set value failed boot attempts.
  • Page 68 NOTE: Option may differ with the Linux Operating System. File Browser Del Boot Option Windows Boot Manager: Displays the Dell Boot Path of the Default Boot Option.. NOTE: Option may differ with the Linux Operating System. UEFI BOOT HDD1- Windows Boot Manager Displays the Device ID of the Secondary Storage of the computer.

  • Page 69: System And Setup Password

    Table 8. System setup options—Exit menu Exit Exit Saving Changes Exit the System Setup saving the changes made to the Setup Options. Save Change Without Exit Save the Changes made to the System Setup and continue the Setup. Exit Discarding Changes Exit the System Setup without saving the changes made to the Setup Options.

  • Page 70: 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 71: Updating The Bios

    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 72 ● USB drive formatted to the FAT32 file system (key does not have to be bootable) ● BIOS executable file that you downloaded from the Dell Support website and copied to the root of the USB drive ● AC power adapter that is connected to the computer ●...

  • Page 73: 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 74: System-Diagnostic Lights

    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. Table 10. Diagnostic-light LED codes...

  • Page 75: Supportassist | On-Board Diagnostics

    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 76: Drain Residual Flea Power (Perform Hard Reset)

    5. Press and hold the power button for 20 seconds to drain the flea power. 6. Install the battery. 7. Install the base cover. 8. Connect the power adapter to your computer. 9. Turn on your computer. NOTE: For more information about performing a hard reset, see the knowledge base article 000130881 www.dell.com/support. Troubleshooting...

  • Page 77: 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 11. Self-help resources Self-help resources Resource location Information about Dell products and services www.dell.com My Dell app...

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