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Dell XPS 13 7390 2-in-1 Service Manual
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Dell XPS 13 7390 2-in-1 Service Manual

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XPS 13 7390 2-in-1
Service Manual
Regulatory Model: P103G
Regulatory Type: P103G001

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Summary of Contents for Dell XPS 13 7390 2-in-1

  • Page 1 XPS 13 7390 2-in-1 Service Manual Regulatory Model: P103G Regulatory Type: P103G001...
  • Page 2 A WARNING indicates a potential for property damage, personal injury, or death. © 2019 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

    Contents 1 Safety instructions........................5 Before working inside your computer..........................5 Before you begin ................................5 Electrostatic discharge—ESD protection.......................... 6 ESD field service kit ................................6 Transporting sensitive components............................ 7 After working inside your computer............................ 7 2 Removing and installing components..................... 8 Recommended tools................................8 Screw list....................................
  • Page 4 Enhanced Pre-Boot System Assessment (ePSA) diagnostics..................46 Running the ePSA diagnostics.............................46 Recovering the operating system............................. 46 Flashing BIOS (USB key)..............................47 Flashing the BIOS................................47 Backup media and recovery options..........................47 WiFi power cycle..................................47 Flea power release................................48 6 Getting help and contacting Dell....................49 Contents...

  • Page 5: Safety Instructions

    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 www.dell.com/regulatory_compliance.

  • Page 6: Electrostatic Discharge-Esd Protection

    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 7: 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 8: Removing And Installing Components

    Removing and installing components Recommended tools The procedures in this document may require the following tools: • Phillips screwdriver #0 • Phillips screwdriver #1 • Torx screwdriver T5 • Flat-head screwdriver • Plastic scribe Screw list NOTE: When removing screws from a component, it is recommended to note the screw type, the quantity of screws, and then place them in a screw storage box.

  • Page 9: Base Cover

    Component Secured to Screw type Quantity Screw image System board Palm-rest assembly M1.2x3 System board Palm-rest assembly M1.2x4 1 captive screw Keyboard assembly Palm-rest assembly M1.2x1.4 Keyboard assembly Palm-rest assembly M1.2x1.6 Base cover Removing the base cover Prerequisites 1. Follow the procedure in Before working inside your computer.
  • Page 10 Removing and installing components...
  • Page 11 Removing and installing components...

  • Page 12: Installing The Base Cover

    Steps 1. Remove the eight Torx screws (M2x4.5) that secure the base cover to the palm-rest assembly. 2. Starting from the bottom-left corner, pry the base cover in the direction of the arrows to release it from the palm-rest assembly. CAUTION: Do not pull on or pry the base cover from the top as it may damage the base cover.

  • Page 13: Battery

    Steps 1. Align and secure the back of the base cover on the palm-rest assembly, and then snap the base cover into place. 2. Replace the eight Torx screws (M2x4.5) that secure the base cover to the palm-rest assembly. Next steps 1.
  • Page 14 Steps 1. Remove the Torx 5 screw (M1.6x3.4) that secures the battery cable to the system board. 2. Disconnect the battery cable from the interposer board. NOTE: Remove the interposer board immediately after disconnecting the battery cable to avoid misplacing it. Hold the edges of the interposer board to avoid damaging the pins on it.

  • Page 15: Installing The Battery

    NOTE: The interposer board is not polarity sensitive and both sides are compatible. 3. Remove the interposer board from the system board. 4. Remove the seven screws (M1.6x3) that secure the battery to the palm-rest assembly. 5. Remove the two screws (M1.2x4) that secure the battery to the system board. 6.

  • Page 16: Display Assembly

    Steps 1. Adhere the magnet and the metal bar to the battery. NOTE: Install the magnet and the metal bar from the faulty battery. 2. Align the screw holes on the battery with the screw holes on the system board and palm-rest assembly. 3.
  • Page 17 Steps 1. Loosen the captive screw (M1.6x3) that secures the display-cable bracket to the system board. 2. Lift the display-cable bracket off the system board. 3. Peel the tapes that secure the display cable and camera cable to the system board. 4.

  • Page 18: Installing The Display Assembly

    5. Remove the display cable and camera cable from the routing guides on the system board. 6. Remove the four screws (M2.5x3) that secure the display hinges to the palm-rest assembly. 7. Slide the palm-rest assembly off the display assembly. Installing the display assembly Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.
  • Page 19 Steps 1. Slide the palm-rest assembly under the display assembly. 2. Align the screw holes on the palm-rest assembly with the screw holes on the display hinges. 3. Replace the four screws (M2.5x3) that secure the display hinges to the palm-rest assembly. 4.

  • Page 20: Speakers

    5. Connect the display cable and camera cable to the system board. 6. Adhere the tapes that secure the display cable and camera cable to the system board. 7. Align and place the display-cable bracket on the system board. 8. Tighten the captive screw (M1.6x3) that secures the display-cable bracket to the system board. Next steps 1.

  • Page 21: Installing The Speakers

    Installing the speakers 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 speakers and provides a visual representation of the installation procedure. Steps 1.
  • Page 22 About this task The following image indicates the connectors on your system board. Figure 1. System-board connectors 1. Speaker cable 2. Fingerprint-reader cable 3. Display cable 4. Camera cable 5. Keyboard-controller board cable The following images indicate the location of system board and provide a visual representation of the removal procedure. Removing and installing components...
  • Page 23 Steps 1. Loosen the captive screw (M1.6x3) that secures the display-cable bracket to the system board. 2. Lift the display-cable bracket off the system board. 3. Peel the tapes that secure the display cable and camera cable to the system board. 4.

  • Page 24: 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. Figure 2. System-board connectors 1. Speaker cable 2.
  • Page 25 Removing and installing components...
  • Page 26 Steps 1. Align the screw holes on the system board with the screw holes on the palm-rest assembly. 2. Replace the fours screws (M2x4), three screws (M1.2x3), and one screw (M1.2x4) that secure the system board to the palm-rest assembly. 3.

  • Page 27: Keyboard Assembly

    Keyboard assembly Removing the keyboard assembly Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the base cover. 3. Remove the battery. 4. Remove the system-board assembly. About this task The following images indicate the location of keyboard assembly and provide a visual representation of the removal procedure. Removing and installing components...

  • Page 28: Installing The Keyboard

    Steps 1. Peel the fingerprint reader cable from the keyboard. 2. Remove the speaker cable from the routing guides on the left keyboard bracket. 3. Loosen the captive screw that secures the left keyboard bracket to the palm-rest assembly. 4. Using a plastic scribe, pry the left keyboard bracket off the palm-rest assembly. 5.
  • Page 29 Removing and installing components...
  • Page 30 Steps 1. Align the screw holes on the keyboard with the screw holes on the palm-rest assembly. NOTE: Adhere the two conductive tapes on the keyboard, and then adhere the three copper foils on the palm-rest assembly to secure the keyboard assembly to the palm-rest assembly. 2.

  • Page 31: Palm-Rest Assembly

    Palm-rest assembly Removing the palm-rest and keyboard assembly Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the base cover. 3. Remove the battery. 4. Remove the display assembly. 5. Remove the speakers. 6. Remove the system-board assembly.
  • Page 32 Steps Place the palm-rest assembly on a flat surface. NOTE: If you are installing components to a new palm-rest assembly, use the power-button bracket from the previous palm-rest assembly. Next steps 1. Install the keyboard assembly. 2. Install the system-board assembly.

  • Page 33: Device Drivers

    Device drivers Intel Chipset Software Installation Utility In the Device Manager, check if the chipset driver is installed. Install the Intel chipset updates from www.dell.com/support. Video drivers In the Device Manager, check if the video driver is installed. Install the video driver update from www.dell.com/support.

  • Page 34: System Setup

    Steps 1. Turn on (or restart) your computer. 2. During POST, when the DELL logo is displayed, watch for the F2 prompt to appear, and then press F2 immediately. NOTE: The F2 prompt indicates that the keyboard is initialized. This prompt can appear very quickly, so you must watch for it, and then press F2.

  • Page 35: 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: •...
  • Page 36 Overview Maximum Clock Speed Displays the maximum processor clock speed. Core Count Displays the number of cores on the processor. Processor L2 Cache Displays the processor L2 Cache size. Processor ID Displays the processor identification code. Processor L3 Cache Displays the processor L3 Cache size. Current Clock Speed Displays the current processor clock speed.
  • Page 37 Table 4. System setup options—System Configuration menu System Configuration Date/Time Date Sets the computer date in MM/DD/YYYY format. Changes to the date take effect immediately. Time Sets the computer time in HH/MM/SS 24-hour format. You can switch between 12- hour and 24-hour clock. Changes to the time take effect immediately. Enable SMART Reporting Enables or disables SMART (Self-Monitoring, Analysis, and Reporting Technology) during computer startup to report hard drive errors.
  • Page 38 System Configuration Enable Fingerprint Reader Single Sign On Enables or disables the Fingerprint Reader Device's Single Sign On capability. Default: ON. Enable MediaCard Enables to switch all media cards On/Off or set the media card to read-only state. Default: Enable Secure Digital (SD) Card. Keyboard Illumination Configures the operating mode of the keyboard illumination feature.
  • Page 39 Security PPI Bypass for Enable Commands Enables or disables the OS to skip BIOS Physical Presence Interface (PPI) user prompts when issuing TPM PPI enabled and activate commands. Default: OFF. PPI Bypass for Disable Commands Enables or disables The OS to skip BIOS PPI user prompts when issuing TPM PPI Disable and Deactivate commands.
  • Page 40 Enables the computer to turn on and go to boot when AC power is supplied to the computer. Default: OFF. Wake on Dell USB-C Dock Enables connecting a Dell USB-C Dock to wake the computer from Standby. Default: ON. System setup...
  • Page 41 Power Management Auto on Time Enables the computer to automatically power on for defined days and times. Default: Disabled. The system will not automatically power up. Battery Charge Configuration Enables the computer to run on battery during power usage hours. Use the below options to prevent AC power usage between certain times of each day.
  • Page 42 POST Behavior Extend BIOS POST Time Configures the BIOS POST (Power-On Self-Test) load time. Default: 0 seconds. Fastboot Configures the speed of the UEFI boot process. Default: Thorough. Performs complete hardware and configuration initialization during boot. Fn Lock Options Enables or disables the Fn lock mode. Default: ON.

  • Page 43: System And Setup Password

    Dell Auto operating system Recovery Controls the automatic boot flow for SupportAssist System Resolution Console and Threshold for Dell operating system Recovery tool. Default: 2. SupportAssist operating system Recovery Enables or disables the boot flow for SupportAssist operating system Recovery tool in the even of certain system errors.

  • Page 44: Assigning A System Setup Password

    CAUTION: The password features provide a basic level of security for the data on your computer. CAUTION: Anyone can access the data stored on your computer if it is not locked and left unattended. NOTE: System and setup password feature is disabled. Assigning a system setup password Prerequisites You can assign a new System or Admin Password only when the status is in Not Set.

  • Page 45: Clearing Cmos Settings

    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 46: Troubleshooting

    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 47: Flashing Bios (Usb Key)

    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 Dell Windows Backup Media and Recovery Options.

  • Page 48: Flea Power Release

    5. Turn on the wireless router. 6. Turn on the modem. 7. Turn on your computer. Flea power release About this task Flea power is the residual static electricity that remains on the computer even after it has been powered off and the battery has been removed.

  • Page 49: 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 18. Self-help resources Self-help resources Resource location Information about Dell products and services www.dell.com My Dell Tips Contact Support In Windows search, type Contact Support, and press Enter.

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