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XPS 12
Service Manual
Computer Model: XPS 12 9250
Regulatory Model: T02H
Regulatory Type: T02H001

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   Summary of Contents for Dell XPS 12

  • Page 1

    XPS 12 Service Manual Computer Model: XPS 12 9250 Regulatory Model: T02H Regulatory Type: T02H001...

  • Page 2

    WARNING: A WARNING indicates a potential for property damage, personal injury, or death. Copyright © 2015 Dell Inc. All rights reserved. This product is protected by U.S. and international copyright and intellectual property laws. Dell and the Dell logo are trademarks ™...

  • Page 3: Table Of Contents

    Contents Before working inside your tablet..........7 ....................7 Before you begin ....................7 Safety instructions ..................8 Recommended tools After working inside your tablet..........9 Removing the battery............... 10 ......................10 Procedure Replacing the battery............... 14 ......................14 Procedure Removing the solid-state drive..........15 .....................

  • Page 4

    Removing the front camera.............21 ..................... 21 Prerequisites ......................21 Procedure Replacing the front camera.............23 ......................23 Procedure ....................23 Post-requisites Removing the back camera.............24 .....................24 Prerequisites ......................24 Procedure Replacing the back camera............. 26 ......................26 Procedure ....................26 Post-requisites Removing the coin-cell battery..........27 .....................27 Prerequisites ......................27...

  • Page 5

    Removing the microphone............33 .....................33 Prerequisites ......................33 Procedure Replacing the microphone............35 ......................35 Procedure ....................35 Post-requisites Removing the power-button board........36 .....................36 Prerequisites ......................36 Procedure Replacing the power-button board........38 ......................38 Procedure ....................38 Post-requisites Removing the volume-buttons board........39 .....................39 Prerequisites ......................

  • Page 6

    ....................49 Post-requisites Removing the display assembly..........50 ....................50 Prerequisites ......................50 Procedure Replacing the display assembly..........52 ......................52 Procedure ....................52 Post-requisites Flashing the BIOS..............53 Getting help and contacting Dell...........54 ..................54 Self-help resources ....................55 Contacting Dell...

  • Page 7: Before Working Inside Your Tablet

    Before working inside your tablet. After working inside your tablet, follow the instructions in After working inside your tablet. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance.

  • Page 8: Recommended Tools

    CAUTION: You should only perform troubleshooting and repairs as authorized or directed by the Dell technical assistance team. Damage due to servicing that is not authorized by Dell is not covered by your warranty. See the safety instructions that shipped with the product or at www.dell.com/regulatory_compliance.

  • Page 9: After Working Inside Your Tablet

    After working inside your tablet CAUTION: Leaving stray or loose screws inside your tablet may severely damage your tablet. Replace all screws and ensure that no stray screws remain inside your tablet. Connect any external devices, peripherals, and cables you removed before working on your tablet.

  • Page 10: Removing The Battery

    After working inside your tablet. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure CAUTION: Before opening your tablet, ensure that you place the tablet on a soft cloth or clean surface to avoid any scratches on the display.

  • Page 11

    Using a plastic scribe, pry up along the edges of the back-cover assembly. back-cover assembly screws (4) plastic scribe...

  • Page 12

    Carefully, lift the back-cover assembly and turn it over. back-cover assembly Remove the screws that secure the battery to the back-cover assembly. Disconnect the battery cable from the system board.

  • Page 13

    Lift the battery, along with its cable, off the back-cover assembly. display assembly screws (5) battery back-cover assembly battery cable...

  • Page 14: Replacing The Battery

    After working inside your tablet. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure Align the screw holes on the battery with the screw holes on the back- cover assembly. Replace the screws that secure the battery to the back-cover assembly.

  • Page 15: Removing The Solid-state Drive

    After working inside your tablet. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. CAUTION: Solid-state drives are fragile. Exercise care when handling the hard drive. CAUTION: To avoid data loss, do not remove the solid-state drive while the tablet is in sleep or on state.

  • Page 16

    Lift and slide the solid-state drive off the back-cover assembly. screw solid-state drive slot solid-state drive back-cover assembly...

  • Page 17: Replacing The Solid-state Drive

    After working inside your tablet. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. CAUTION: Solid-state drives are fragile. Exercise care when handling the hard drive. Procedure Slide the solid-state drive into the slot on the system board.

  • Page 18: Removing The Wireless Card

    After working inside your tablet, follow the instructions in After working inside your tablet. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Prerequisites Remove the battery. Procedure Remove the screw that secures the wireless-card bracket and the wireless card to the system board.

  • Page 19

    Slide and remove the wireless card from the wireless-card slot. wireless-card bracket screw antenna cables (2) wireless card wireless-card slot notch...

  • Page 20: Replacing The Wireless Card

    After working inside your tablet. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure CAUTION: To avoid damage to the wireless mini-card, do not place any cables under it. Align the notch on the wireless card with the tab on the wireless-card slot and slide the card into the wireless-card slot.

  • Page 21: Removing The Front Camera

    After working inside your tablet, follow the instructions in After working inside your tablet. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Prerequisites Remove the battery. Procedure Remove the screw that secures the front camera to the back-cover assembly.

  • Page 22

    Lift the front camera, along with its cable, off the back-cover assembly. camera cable screw front camera back-cover assembly...

  • Page 23: Replacing The Front Camera

    After working inside your tablet. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure Align the screw hole on the front camera with the screw hole on the back-cover assembly. Replace the screw that secures the front camera to the back-cover assembly.

  • Page 24: Removing The Back Camera

    After working inside your tablet, follow the instructions in After working inside your tablet. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Prerequisites Remove the battery. Procedure Remove the screw that secures the back camera to the back-cover assembly.

  • Page 25

    Lift the back camera, along with its cable, off the back-cover assembly. camera cable screw back camera back-cover assembly...

  • Page 26: Replacing The Back Camera

    After working inside your tablet. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure Align the screw hole on the back camera with the screw hole on the back-cover assembly. Replace the screw that secures the back camera to the back-cover assembly.

  • Page 27: Removing The Coin-cell Battery

    After working inside your tablet. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. CAUTION: 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.

  • Page 28

    Peel the coin-cell battery off the back-cover assembly. latch power-button board cable coin-cell battery coin-cell battery cable back-cover assembly...

  • Page 29: Replacing The Coin-cell Battery

    After working inside your tablet. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure Adhere the coin-cell battery to the back-cover assembly. Connect the coin-cell battery cable to the system board.

  • Page 30: Removing The Headset Port

    After working inside your tablet, follow the instructions in After working inside your tablet. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Prerequisites Remove the battery. Procedure Remove the screws that secure the headset-port bracket and the headset port to the back-cover assembly.

  • Page 31

    Lift the headset port, along with its cable, off the back-cover assembly. back-cover assembly headset port headset-port cable latch headset-port bracket screws (2)

  • Page 32: Replacing The Headset Port

    After working inside your tablet. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure Slide the headset-port cable into its connector on the system board and press down the latch to secure the cable.

  • Page 33: Removing The Microphone

    Before working inside your tablet. After working inside your tablet, follow the instructions in After working inside your tablet. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Prerequisites Remove the battery. Remove the front camera.

  • Page 34

    Lift the microphones, along with the cable, off the back-cover assembly. microphone cable microphones (2) back-cover assembly...

  • Page 35: Replacing The Microphone

    After working inside your tablet. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure Align the microphones on the back-cover assembly and snap them into place. Connect the microphone cable to the system board.

  • Page 36: Removing The Power-button Board

    After working inside your tablet, follow the instructions in After working inside your tablet. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Prerequisites Remove the battery. Procedure Remove the screws that secure the power-button board to the back- cover assembly.

  • Page 37

    Lift the power-button board off the back-cover assembly. screws (2) power-button board power-button board cable back-cover assembly...

  • Page 38: Replacing The Power-button Board

    After working inside your tablet. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure Align the screw holes on the power-button board with the screw holes on the back-cover assembly. Replace the screws that secure the power-button board to the back- cover assembly.

  • Page 39: Removing The Volume-buttons Board

    After working inside your tablet, follow the instructions in After working inside your tablet. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Prerequisites Remove the battery. Procedure Remove the screws that secure the volume-buttons board to the back- cover assembly.

  • Page 40

    Lift the volume-buttons board off the back-cover assembly. back-cover assembly screws (2) volume-buttons board latch volume-buttons board cable...

  • Page 41: Replacing The Volume-buttons Board

    After working inside your tablet. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure Align the screw holes on the volume-buttons board with the screw holes on the back-cover assembly. Replace the screws that secure the volume-buttons board to the back- cover assembly.

  • Page 42: Removing The System Board

    For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. NOTE: Your tablet’s Service Tag is stored in the system board. You must enter the Service Tag in the BIOS setup program after you replace the system board.

  • Page 43

    Lift the latches and disconnect the headset-port cable, power-button board cable and display cable from the system board. vibration-motor cable headset-port cable speaker cable latch volume-buttons board microphone cable cable camera cables (2) coin-cell battery cable power-button board cable 10 speaker cable display cable 12 dock-connector cable Lift the antenna cable off the system board.

  • Page 44

    Lift the I/O bracket off the system board. screws (2) I/O bracket back-cover assembly antenna cable Remove the screws that secure the system board to the back-cover assembly.

  • Page 45

    Lift the system board off the back-cover assembly. screws (5) system board back-cover assembly...

  • Page 46: Replacing The System Board

    For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. NOTE: Your tablet’s Service Tag is stored in the system board. You must enter the Service Tag in the BIOS setup program after you replace the system board.

  • Page 47: Removing The Back Cover

    Before working inside your tablet. After working inside your tablet, follow the instructions in After working inside your tablet. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Prerequisites Remove the battery. Remove the solid-state drive.

  • Page 48

    back cover...

  • Page 49: Replacing The Back Cover

    After working inside your tablet, follow the instructions in After working inside your tablet. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure Place the back cover on a flat surface. Post-requisites Replace the...

  • Page 50: Removing The Display Assembly

    After working inside your tablet, follow the instructions in After working inside your tablet. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Prerequisites Remove the battery. Procedure Peel off the display cable from the system board.

  • Page 51

    Lift the display assembly, along with its cable, off the back-cover assembly. display assembly back-cover assembly pull tab display cable...

  • Page 52: Replacing The Display Assembly

    After working inside your tablet. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure Adhere the display cable to the back-cover assembly. Connect the display cable to the system board. Adhere the display cable to the connector on the system board.

  • Page 53: Flashing The Bios

    You may need to flash (update) the BIOS when an update is available or when you replace the system board. To flash the BIOS: Turn on the tablet. Go to www.dell.com/support. Click Product Support, enter the Service Tag of your tablet and click Submit.

  • Page 54: 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: Information about Dell products and www.dell.com services Windows 8.1 and Windows 10 Dell Help & Support app Windows 10 Get started app Windows 8.1...

  • Page 55: Contacting Dell

    Contacting Dell To contact Dell for sales, technical support, or customer service issues, see www.dell.com/contactdell. NOTE: Availability varies by country and product, and some services may not be available in your country. NOTE: If you do not have an active internet connection, you can find contact information on your purchase invoice, packing slip, bill, or Dell product catalog.

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