Dell Inspiron 14 7425 2-in-1 Service Manual

Dell Inspiron 14 7425 2-in-1 Manual

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  • Dell Inspiron 14 7425 2-in-1 | Service Manual - Page 1
    Inspiron 14 7425 2-in-1 Service Manual Regulatory Model: P161G Regulatory Type: P161G003 January 2022 Rev. A00
  • Dell Inspiron 14 7425 2-in-1 | Service Manual - Page 2
    use of your product. CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem. WARNING: A WARNING indicates a potential for property damage, personal injury, or death. © 2022 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC
  • Dell Inspiron 14 7425 2-in-1 | Service Manual - Page 3
    Working inside your computer 5 Before working inside your computer...5 Radiation Exposure Statement ...5 Safety instructions...6 Electrostatic discharge-ESD protection...6 ESD field service kit ...7 Transporting sensitive components...8 After working inside your computer...8 Chapter 2: Removing and
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    drive in Windows 59 Updating the BIOS from the F12 One-Time boot menu 59 Chapter 5: Troubleshooting...61 Handling swollen Lithium-ion batteries...61 Locate the Service Tag or Express Service Code of your Dell computer 61 System diagnostic lights...62 SupportAssist diagnostics...63 Built-in self
  • Dell Inspiron 14 7425 2-in-1 | Service Manual - Page 5
    , see the documentation of your operating system for shut-down instructions. 3. Disconnect your computer and all attached devices from their electrical to turn on the computer to put it into Service Mode or the computer does not support Service Mode then proceed to disconnect the battery cable. To
  • Dell Inspiron 14 7425 2-in-1 | Service Manual - Page 6
    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 may not be obvious, such as intermittent problems or a shortened product life span. As the
  • Dell Inspiron 14 7425 2-in-1 | Service Manual - Page 7
    The more difficult type of damage to recognize and troubleshoot is the intermittent (also called latent or "walking between your skin, the ESD mat, and the hardware is known as bonding. Use only Field Service kits with a wrist strap, mat, and bonding wire. Never use wireless wrist straps. Always be
  • Dell Inspiron 14 7425 2-in-1 | Service Manual - Page 8
    any other parts that you removed before working on your computer. 4. Connect your computer and all attached devices to their electrical outlets. NOTE: To exit service mode, ensure to connect the AC adapter to the power-adapter port on your computer. 5. Press the power button to turn on the computer
  • Dell Inspiron 14 7425 2-in-1 | Service Manual - Page 9
    2 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 screwdrivers #0 ● Plastic scribe Screw list NOTE: When
  • Dell Inspiron 14 7425 2-in-1 | Service Manual - Page 10
    Table 1. Screw list (continued) Component Screw type I/O board M2x3 Display hinges M2.5x4 Power-button/Powerbutton with fingerprint reader USB Type-C bracket M2x3 M2x4 System board M2x2 Quantity 2 5 2 2 2 Screw image Major components of Inspiron 7425 2-in-1 The following image shows the
  • Dell Inspiron 14 7425 2-in-1 | Service Manual - Page 11
    1. Base cover 2. USB Type-C bracket 3. System board 4. I/O-board cable 5. Speakers 6. Battery 7. Touchpad-bracket 8. Memory 9. Palm-rest and keyboard assembly 10. Display assembly Removing and installing components 11
  • Dell Inspiron 14 7425 2-in-1 | Service Manual - Page 12
    Base cover Removing the base cover Prerequisites 1. Follow the procedure in Before working inside your computer. NOTE: Ensure that your computer is in Service Mode. For more information see, step 6 in Before working inside your computer. About this task The following images indicate the location of
  • Dell Inspiron 14 7425 2-in-1 | Service Manual - Page 13
    Removing and installing components 13
  • Dell Inspiron 14 7425 2-in-1 | Service Manual - Page 14
    Steps 1. Remove the four screws (M2x4) that secure the base cover to the palm-rest and keyboard assembly. 2. Loosen the three captive screws that secure the base cover to the palm-rest and keyboard assembly. NOTE: Upon loosening the captive screws, the base cover will open up creating a gap between
  • Dell Inspiron 14 7425 2-in-1 | Service Manual - Page 15
    Removing and installing components 15
  • Dell Inspiron 14 7425 2-in-1 | Service Manual - Page 16
    Steps 1. Connect the battery cable to the connector on the system board and adhere the tape that secures the battery cable to the battery. 2. Align the screw holes on the base cover with the screw holes on the palm-rest and keyboard assembly, and then snap the base cover into place. 3. Replace the
  • Dell Inspiron 14 7425 2-in-1 | Service Manual - Page 17
    kind to pry on or against the battery. ● Ensure any screws during the servicing of this product are not lost or misplaced, to prevent accidental puncture or damage can be dangerous. In such an instance, contact Dell technical support for assistance. See www.dell.com/contactdell. ● Always purchase
  • Dell Inspiron 14 7425 2-in-1 | Service Manual - Page 18
    Installing the battery Installing the 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 battery and provides a visual representation of the installation
  • Dell Inspiron 14 7425 2-in-1 | Service Manual - Page 19
    About this task NOTE: 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. The following image indicates the location of the coin-cell battery and provides a visual
  • Dell Inspiron 14 7425 2-in-1 | Service Manual - Page 20
    Steps 1. Adhere the coin-cell battery to the slot on the palm-rest and keyboard assembly. 2. Connect the coin-cell battery cable to the I/O board. Next steps 1. Install the base cover. 2. Follow the procedure in After working inside your computer. Memory Removing the memory Prerequisites 1. Follow
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    Steps 1. Lift the Mylar to access the memory. 2. Use your fingertips to carefully spread apart the securing-clips on each end of the memory slot until the memory pops up. 3. Slide and remove the memory from the memory slot. NOTE: Repeat step 1 to step 3 to remove any other memory installed in your
  • Dell Inspiron 14 7425 2-in-1 | Service Manual - Page 22
    Steps 1. Lift the MyLar to access the memory slot. 2. Align the notch on the memory with the tab on the memory slot. 3. Slide the memory firmly at an angle, into the memory slot. 4. Press the memory down until it clicks into place. NOTE: If you do not hear the click, remove the memory and reinstall
  • Dell Inspiron 14 7425 2-in-1 | Service Manual - Page 23
    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 image indicates the location of the wireless card and provides a visual representation of the removal procedure. Steps 1.
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    the antenna cables to the wireless card. The following table provides the antenna-cable color scheme for the wireless card that is supported by your computer. Table 2. Antenna-cable color scheme Connectors on the wireless card Antenna-cable color Main White Auxiliary Black Silkscreen marking
  • Dell Inspiron 14 7425 2-in-1 | Service Manual - Page 25
    your computer. 2. Remove the base cover. About this task NOTE: The M.2 card installed on your computer will depend on the configuration ordered. Supported card configurations on the M.2 card slot: ● M.2 2230 solid-state drive + 2230 mounting bracket ● M.2 2280 solid-state drive The following image
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    performing the installation procedure. About this task NOTE: The M.2 card installed on your computer will depend on the configuration ordered. Supported card configurations on the M.2 card slot: ● M.2 2230 solid-state drive + 2230 mounting bracket ● M.2 2280 solid-state drive The following image
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    Steps 1. Align the notch on the M.2 2230 solid-state to the mounting bracket. 2. Replace the screw (M2x2) that secures the M.2 2230 solid-state drive to the mounting bracket. 3. Flip over the M.2 2230 solid-state drive and mounting bracket. 4. Slide and place the M.2 2230 solid-state drive and its
  • Dell Inspiron 14 7425 2-in-1 | Service Manual - Page 28
    performing the installation procedure. About this task NOTE: The M.2 card installed on your computer will depend on the configuration ordered. Supported card configurations on the M.2 card slot: ● M.2 2230 solid-state drive + 2230 mounting bracket ● M.2 2280 solid-state drive The following image
  • Dell Inspiron 14 7425 2-in-1 | Service Manual - Page 29
    Steps 1. Align the notch on the solid-state drive with the tab on the solid-state drive slot. 2. Slide the solid-state drive into the M.2 card slot on the system board. 3. Replace the screw (M2x3) that secures the solid-state drive to the palm-rest and keyboard assembly. Next steps 1. Install the
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    board. 3. Peel the tapes that secure the speaker cable to the palm-rest and keyboard assembly. 4. Remove the speaker cable from the routing guides on the palm-rest and keyboard assembly. 5. Lift the speakers along with the cables, off the palm-rest and keyboard assembly. Installing the speakers
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    posts and rubber grommets, place the speakers on the slots of the palm-rest and keyboard assembly. 2. Route the speaker cable through the routing guides on the palm-rest and keyboard assembly. 3. Adhere the tapes that secure the speaker cable to the palm-rest and keyboard assembly. 4. Connect the
  • Dell Inspiron 14 7425 2-in-1 | Service Manual - Page 32
    NOTE: The number of captive screws and the appearance of the heat sink may vary depending on the configuration you ordered. The following image indicates the location of the heat sink and provides a visual representation of the removal procedure. Steps 1. In reverse sequential order (as indicated
  • Dell Inspiron 14 7425 2-in-1 | Service Manual - Page 33
    Steps 1. Align the screw holes on the heat sink with the screw holes on the system board. 2. In sequential order (as indicated on the heat sink), tighten the four captive screws that secure the heat sink to the system board. Next steps 1. Install the base cover. 2. Follow the procedure in After
  • Dell Inspiron 14 7425 2-in-1 | Service Manual - Page 34
    34 Removing and installing components
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    Steps 1. Peel the tape that secures the display-cable connector latch to the system board. 2. Open the latch, and disconnect the display cable from the system board. 3. Remove the two screws (M2.5x4) that secure the left-display hinge to the palm-rest and keyboard assembly. 4. Pry open the left-
  • Dell Inspiron 14 7425 2-in-1 | Service Manual - Page 36
    36 Removing and installing components
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    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. 3. Close
  • Dell Inspiron 14 7425 2-in-1 | Service Manual - Page 38
    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
  • Dell Inspiron 14 7425 2-in-1 | Service Manual - Page 39
    2. Remove the base cover. About this task The following image indicates the location of the I/O-board and provides a visual representation of the removal procedure. Steps 1. Remove the two screws (M2.5x4) that secure the left-display hinge to the I/O board. 2. Pry open the left-display hinge at an
  • Dell Inspiron 14 7425 2-in-1 | Service Manual - Page 40
    Steps 1. Align the ports on the I/O board to the slots on the palm-rest and keyboard assembly. 2. Place the I/O board on the palm-rest and keyboard assembly. 3. Align the screw hole on the I/O board to the screw hole on the palm-rest and keyboard assembly. 4. Replace the two screws (M2x3) that
  • Dell Inspiron 14 7425 2-in-1 | Service Manual - Page 41
    About this task NOTE: This procedure is applicable only for computers that are shipped without the optional fingerprint reader. The following image indicates the location of the power-button and provides a visual representation of the removal procedure. Steps 1. Remove the two screws (M2x3) that
  • Dell Inspiron 14 7425 2-in-1 | Service Manual - Page 42
    Steps 1. Align the screw holes on the power-button with the screw holes on the palm-rest and keyboard assembly. 2. Replace the two screws (M2x3) that secure power-button to the palm-rest and keyboard assembly. Next steps 1. Install the I/O board. 2. Install the display assembly. 3. Install the fan.
  • Dell Inspiron 14 7425 2-in-1 | Service Manual - Page 43
    Steps 1. Remove the two screws (M2x3) that secure the power-button with fingerprint reader to the palm-rest and keyboard assembly. 2. Lift the power-button with fingerprint reader, along with the fingerprint-reader cable, off the slot on the palm-rest and keyboard assembly. 3. Disconnect the
  • Dell Inspiron 14 7425 2-in-1 | Service Manual - Page 44
    Steps 1. Align and place the power-button, along with the fingerprint-reader cable, on the slot of the palm-rest and keyboard assembly. 2. Align the screw holes on the power-button with the screw holes on the palm-rest and keyboard assembly. 3. Replace the two screws (M2x3) that secure power-button
  • Dell Inspiron 14 7425 2-in-1 | Service Manual - Page 45
    About this task The following image indicates the connectors on your system board. Figure 1. System-board connectors 1. Display cable 3. Keyboard cable 5. Speaker cable 7. M.2 card slot for wireless card 9. Fan cable 2. Keyboard-backlight cable 4. Touchpad cable 6. M.2 card slot for solid-state
  • Dell Inspiron 14 7425 2-in-1 | Service Manual - Page 46
    Steps 1. Open the display-cable connector latch, and disconnect the display cable from the system board. 2. Remove the three screws (M2.5x4) that secure the right display hinge to the system board and palm-rest and keyboard assembly. 3. Open the hinge at an angle of 90 degrees. 4. Remove the two
  • Dell Inspiron 14 7425 2-in-1 | Service Manual - Page 47
    7. Open the latch, and disconnect the keyboard cable from the system board. 8. Open the latch, and disconnect the touchpad cable from the system board. 9. Peel the tape that secures the I/O-board cable to the system board. 10. Open the latch, and disconnect the I/O-board cable from the system board.
  • Dell Inspiron 14 7425 2-in-1 | Service Manual - Page 48
    Steps 1. Align and place the system board on the palm-rest and keyboard assembly. 2. Replace the two screws (M2x2) that secure the system board to the palm-rest and keyboard assembly. 3. Connect the display cable to the connector on the system board and close the latch to secure the cable. 4.
  • Dell Inspiron 14 7425 2-in-1 | Service Manual - Page 49
    8. Adhere the tape that secures the I/O-board cable to the system board. 9. Close the right display hinge. 10. Replace the three screws (M2.5x4) that secure the right display hinge to the system board and palm-rest and keyboard assembly. 11. Align the screw holes on the USB Type-C port bracket with
  • Dell Inspiron 14 7425 2-in-1 | Service Manual - Page 50
    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
  • Dell Inspiron 14 7425 2-in-1 | Service Manual - Page 51
    Steps Place the palm-rest and keyboard assembly on a clean and flat surface. Next steps 1. Install the system board. 2. Install the display assembly. 3. Install the power button or power button with fingerprint reader. 4. Install the fan. 5. Install the heat sink. 6. Install the speakers. 7. Install
  • Dell Inspiron 14 7425 2-in-1 | Service Manual - Page 52
    3 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. 52 Drivers and downloads
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    4 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.
  • Dell Inspiron 14 7425 2-in-1 | Service Manual - Page 54
    System setup options-Main menu Main System Time System Date BIOS Version Product Name Service Tag Asset Tag CPU Type CPU Speed CPU ID CPU Cache L1 Cache L2 BIOS version. Displays the model number of your computer. Displays the service tag of your computer. Displays the asset tag of your computer.
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    . Default: AHCI Adapter Warnings Allows you to choose if the computer should display warning messages when you use AC adapters that are not supported by your computer. Default: Enabled Function Key Behavior Allows you to set function key or multimedia key as the default function key behavior
  • Dell Inspiron 14 7425 2-in-1 | Service Manual - Page 56
    or deny system password or HDD password changes. Default: Permitted Enables or disables the BIOS module interface of the optional Computrace Service from Absolute Software. Default: Deactivate Enables or disables SED Block SID Authentication. Default: Disabled Enable or disable the firmware TPM
  • Dell Inspiron 14 7425 2-in-1 | Service Manual - Page 57
    Table 7. System setup options-Boot menu (continued) Boot Windows Boot Manager Display boot options in Windows UEFI Boot Enables or disables UEFI boot. Default: Disabled Table 8. System setup options-Exit menu Exit Exit Saving Changes Save Change Without Exit Exit Discarding Changes Load
  • Dell Inspiron 14 7425 2-in-1 | Service Manual - Page 58
    The computer restarts. 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
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    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 the on-screen instructions to complete the
  • Dell Inspiron 14 7425 2-in-1 | Service Manual - Page 60
    ● 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 ● Functional computer battery to flash the
  • Dell Inspiron 14 7425 2-in-1 | Service Manual - Page 61
    Service Code. To view relevant support resources for your Dell computer, we recommend entering the Service Tag or Express Service Code at www.dell.com/support. For more information on how to find the Service Tag for your computer, see Locate the Service Tag for your Dell Laptop. Troubleshooting
  • Dell Inspiron 14 7425 2-in-1 | Service Manual - Page 62
    patterns and associated problems. Table 10. LED codes Diagnostic light codes (Amber, white) 1,1 1,2 2,1 2,2 2,3 2,4 2,5 2,6 2,7 2,8 3,1 3,2 3,3 3,4 3,5 3,6 3,7 4,1 Problem description TPM detection or disabled. ● Solid white - Caps Lock enabled. ● Off - Caps Lock disabled. 62 Troubleshooting
  • Dell Inspiron 14 7425 2-in-1 | Service Manual - Page 63
    EC) failures. M-BIST must be manually initiated before POST and can also run Trigger Indicator of fault Repair instruction M-BIST Evaluates the health LED light with Solid Amber Indicates a problem with the system board. L-BIST Checks tools to diagnose and troubleshoot issues that may occur
  • Dell Inspiron 14 7425 2-in-1 | Service Manual - Page 64
    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. For more information about the Dell SupportAssist OS Recovery, see Dell SupportAssist OS Recovery User's Guide at www.dell.com
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    NOTE: For more information about performing a hard reset, see the knowledge base article 000130881 at www.dell.com/support. Troubleshooting 65
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    more about your computer through videos, manuals and documents. In Windows search, type Contact Support, and press Enter. www.dell.com/support/windows Your Dell computer is uniquely identified by a Service Tag or Express Service Code. To view relevant support resources for your Dell computer, enter
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Inspiron 14 7425 2-in-1
Service Manual
Regulatory Model: P161G
Regulatory Type: P161G003
January 2022
Rev. A00