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Latitude 12 — 7275
Owners Manual
Computer Model: XPS 12 9250
Regulatory Model: T02H
Regulatory Type: T02H001

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Summary of Contents for Dell XPS 12 9250

  • Page 1 Latitude 12 — 7275 Owners Manual Computer Model: XPS 12 9250 Regulatory Model: T02H Regulatory Type: T02H001...
  • Page 2 A WARNING indicates a potential for property damage, personal injury, or death. Copyright © 2016 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 Before working inside your tablet........................7 Before you begin ................................7 Safety instructions................................7 Recommended tools................................8 2 After working inside your tablet........................9 3 Removing the battery...........................10 Procedure..................................10 4 Replacing the battery........................... 12 Procedure..................................12 5 Removing the solid-state drive........................13 Prerequisites..................................
  • Page 4 13 Removing the back camera........................22 Prerequisites..................................22 Procedure..................................22 14 Replacing the back camera.........................23 Procedure..................................23 Post-requisites..................................23 15 Removing the coin-cell battery........................24 Prerequisites..................................24 Procedure..................................24 16 Replacing the coin-cell battery........................25 Procedure..................................25 Post-requisites..................................25 17 Removing the headset port........................26 Prerequisites..................................26 Procedure..................................26 18 Replacing the headset port.........................27 Procedure..................................27 Post-requisites..................................27...
  • Page 5 25 Removing the system board........................34 Prerequisites..................................34 Procedure..................................34 26 Replacing the system board........................37 Procedure..................................37 Post-requisites..................................37 27 Removing the back cover...........................38 Prerequisites..................................38 Procedure..................................38 28 Replacing the back cover........................... 41 Procedure..................................41 Post-requisites.................................. 41 29 Removing the display assembly........................42 Prerequisites..................................42 Procedure..................................42 30 Replacing the display assembly........................43 Procedure..................................43...
  • Page 6 Realtek LAN network drivers............................58 Intel Wireless 8260 WiFi and Bluetooth drivers......................58 32 Entering BIOS setup program........................59 With keyboard.................................. 59 Without keyboard................................59 Updating the BIOS ................................59 Flashing the BIOS................................60 33 Getting help and contacting Dell........................ 61 Self-help resources................................61 Contacting Dell..................................61 Contents...
  • Page 7: Before Working Inside Your Tablet

    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 8: Recommended Tools

    CAUTION: Press and eject any installed card from the media-card reader. Recommended tools The procedures in this document may require the following tools: • Phillips screwdriver • Plastic scribe • T5 torx Before working inside your tablet...
  • 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. Replace any media card, SIM card, and any other parts that you removed before working on your tablet.
  • Page 10: Removing The Battery

    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 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 back-cover assembly Remove the screws that secure the battery to the back-cover assembly. Partially lift the battery and disconnect the battery cable from the system board. Lift the battery along with its cable, off the back-cover assembly. display assembly screws (5) battery back-cover assembly battery cable...
  • Page 12: Replacing The Battery

    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 Connect the battery cable to the system board. Align the screw holes on the battery with the screw holes on the back-cover assembly.
  • Page 13: Removing The Solid-State Drive

    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. CAUTION: Solid-state drives are fragile. Exercise care when handling the hard drive.
  • Page 14: Replacing The Solid-State Drive

    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. CAUTION: Solid-state drives are fragile. Exercise care when handling the hard drive.
  • Page 15: Removing The Wireless Card

    Before working inside your tablet, read the safety information that shipped with your tablet and follow the steps in 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. Topics: • Prerequisites •...
  • Page 16: Replacing The Wireless Card

    Before working inside your tablet, read the safety information that shipped with your tablet and follow the steps in 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. Topics: • Procedure •...
  • Page 17: Removing The Wwan Card

    Before working inside your tablet, read the safety information that shipped with your tablet and follow the steps in 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. Topics: • Prerequisites •...
  • Page 18 Removing the WWAN card...
  • Page 19: Replacing The Wwan Card

    Replacing the WWAN card Topics: • Procedure • Post-requisites Procedure Align the notch on the WWAN card with the tab on the WWAN-card slot and slide the card into the WWAN-card slot. Align the screw hole on the WWAN card with the screw hole on the system board. Connect the antenna cables to the WWAN card.
  • Page 20: Removing The Front Camera

    Before working inside your tablet, read the safety information that shipped with your tablet and follow the steps in 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. Topics: • Prerequisites •...
  • Page 21: Replacing The Front Camera

    Before working inside your tablet, read the safety information that shipped with your tablet and follow the steps in 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. Topics: • Procedure •...
  • Page 22: Removing The Back Camera

    Before working inside your tablet, read the safety information that shipped with your tablet and follow the steps in 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. Topics: • Prerequisites •...
  • Page 23: Replacing The Back Camera

    Before working inside your tablet, read the safety information that shipped with your tablet and follow the steps in 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. Topics: • Procedure •...
  • Page 24: Removing The Coin-Cell Battery

    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. 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 25: Replacing The Coin-Cell Battery

    Before working inside your tablet, read the safety information that shipped with your tablet and follow the steps in 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. Topics: • Procedure •...
  • Page 26: Removing The Headset Port

    Before working inside your tablet, read the safety information that shipped with your tablet and follow the steps in 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. Topics: • Prerequisites •...
  • Page 27: Replacing The Headset Port

    Before working inside your tablet, read the safety information that shipped with your tablet and follow the steps in 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. Topics: • Procedure •...
  • Page 28: Removing The Microphone

    Before working inside your tablet, read the safety information that shipped with your tablet and follow the steps in 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. Topics: • Prerequisites •...
  • Page 29: Replacing The Microphone

    Before working inside your tablet, read the safety information that shipped with your tablet and follow the steps in 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. Topics: • Procedure •...
  • Page 30: Removing The Power-Button Board

    Before working inside your tablet, read the safety information that shipped with your tablet and follow the steps in 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. Topics: • Prerequisites •...
  • Page 31: Replacing The Power-Button Board

    Before working inside your tablet, read the safety information that shipped with your tablet and follow the steps in 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. Topics: • Procedure •...
  • Page 32: Removing The Volume-Buttons Board

    Before working inside your tablet, read the safety information that shipped with your tablet and follow the steps in 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. Topics: • Prerequisites •...
  • Page 33: Replacing The Volume-Buttons Board

    Before working inside your tablet, read the safety information that shipped with your tablet and follow the steps in 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. Topics: • Procedure •...
  • Page 34: Removing The System Board

    After working inside your tablet. 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 35 vibration-motor cable headset-port cable speaker cable latch volume-buttons board cable microphone cable camera cables (2) coin-cell battery cable power-button board cable speaker cable display cable dock-connector cable Lift the antenna cable off the system board. Remove the screws that secure the I/O bracket to the system board. Lift the I/O bracket off the system board.
  • Page 36 screws (2) I/O bracket back-cover assembly antenna cable Remove the screws that secure the system board to the back-cover assembly. Remove motherboard tape and lift the system board off the back-cover assembly. screws (5) system board back-cover assembly Removing the system board...
  • Page 37: Replacing The System Board

    After working inside your tablet. 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 38: Removing The Back Cover

    Before working inside your tablet, read the safety information that shipped with your tablet and follow the steps in 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. Topics: • Prerequisites •...
  • Page 39 back-cover assembly screws (4) plastic scribe 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. Partially lift the battery and disconnect the battery cable from the system board. Lift the battery along with its cable, off the back-cover assembly.
  • Page 40 display assembly screws (5) battery back-cover assembly battery cable After performing the steps, we are left with the back cover. back cover Removing the back cover...
  • Page 41: Replacing The Back Cover

    Before working inside your tablet, read the safety information that shipped with your tablet and follow the steps in 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. Topics: • Procedure •...
  • Page 42: Removing The Display Assembly

    Before working inside your tablet, read the safety information that shipped with your tablet and follow the steps in 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. Topics: • Prerequisites •...
  • Page 43: Replacing The Display Assembly

    Before working inside your tablet, read the safety information that shipped with your tablet and follow the steps in 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. Topics: • Procedure •...
  • Page 44: Technology And Components

    Technology and components Power adapter This tablet is offered with the 30 W power adapter. WARNING: When you disconnect the power adapter cable from the tablet, grasp the connector, not the cable itself, and then pull firmly but gently to avoid damaging the cable. WARNING: The power adapter works with electrical outlets worldwide.
  • Page 45: Verifying The Processor Usage In Task Manager

    Verifying the processor usage in Task Manager Press and hold the taskbar. Select Start Task Manager. The Windows Task Manager window is displayed. Tap the Performance tab in the Windows Task Manager window. The processor performance details are displayed. Verifying the processor usage in Resource Monitor Press and hold the taskbar.
  • Page 46: Chipsets

    All tablets communicate with the CPU through the chipset. This tablet is shipped with Intel 100 Series chipset. Downloading the chipset driver Turn on the tablet. Go to www.dell.com/support. Tap Product Support, enter the Service Tag of your tablet, and then tap Submit. NOTE: If you do not have the Service Tag, use the autodetect feature or manually browse for your tablet model.
  • Page 47: Identifying Chipset In Device Manager On Windows 8

    Identifying chipset in Device Manager on Windows 8 Tap Settings on the Windows 8.1 Charms Bar. From the Control Panel, select Device Manager. Expand System Devices and search for the chipset. Technology and components...
  • Page 48: Graphic Options

    This tablet consists of the Intel HD Graphics 515 graphics chipset. Downloading Driver Turn on the tablet. Go to www.dell.com/support. Tap Product Support, enter the Service Tag of your tablet, and then tap Submit. NOTE: If you do not have the Service Tag, use the auto detect feature or manually browse for your tablet model.
  • Page 49: Identifying The Display Adapter

    After the download is complete, navigate to the folder where you saved the graphic driver file. Double-tap the graphic driver file icon and follow the instructions on the screen. Identifying the display adapter Start the Search Charm and select Settings. Type Device Manager in the search box and tap Device Manager from the left pane.
  • Page 50: Display Options

    Display options This tablet has 12.5–inch FHD with 1920 x 1080 resolution (maximum). Adjusting brightness in Windows 10 To enable or disable automatic screen brightness adjustment: Swipe-in from the right edge of the display to access the Action Center. Tap or click All Settings >...
  • Page 51: Using Touch Screen In Windows 8

    Windows desktop and mobile tablets. Downloading the audio driver Turn on the tablet. Go to www.dell.com/support. Tap Product Support, enter the Service Tag of your tablet and tap Submit. NOTE: If you do not have the Service Tag, use the autodetect feature or manually browse for your tablet model.
  • Page 52: Identifying The Audio Controller In Windows 10

    Before installation After installation Changing the audio settings Start the Search Charm and type Dell Audio in the search box. Start the Dell Audio utility from the left pane. WLAN cards This tablet supports the Intel Dual Band Wireless AC 8260 WLAN card.
  • Page 53: Hard Drive Options

    Entering BIOS setup Turn on or restart your tablet. When the Dell logo appears, perform one of the following actions to enter the BIOS setup program: • With keyboard — Tap F2 until the Entering BIOS setup message appears. To enter the Boot selection menu, tap F12.
  • Page 54: Camera Features

    Starting the camera To start the camera, open an application that uses the camera. For instance, if you tap the Dell webcam central software or the Skype software that is shipped with the tablet, the camera turns on. Similarly, if you are chatting on the internet and the application requests to access the webcam, the webcam turns on.
  • Page 55: Starting The Camera Application

    Starting the camera application Tap or click the Windows button and select All apps. Select Camera from the apps list. If the Camera App is not available in the apps list, search for it. Technology and components...
  • Page 56: Memory Features

    With keyboard — Press F2. • Without keyboard — Press and hold the Volume Up button when the Dell logo is displayed on the screen. When the F12 boot selection menu is displayed, select Diagnostics from the boot menu, and press Enter.
  • Page 57: Intel Hd Graphics Drivers

    Before installation After installation Intel HD Graphics drivers Verify if the Intel HD Graphics drivers are already installed in the tablet. Before installation After installation Realtek HD audio drivers Verify if the Realtek audio drivers are already installed in the tablet. Before installation After installation Realtek RTS5242-GR Card Reader drivers...
  • Page 58: Realtek Lan Network Drivers

    Before installation After installation Realtek LAN network drivers Verify if the Realtek LAN network drivers are already installed in the tablet. Before installation After installation Intel Wireless 8260 WiFi and Bluetooth drivers Verify if the Intel Wireless 8260 WiFi and Bluetooth drivers are already installed in the tablet. Before installation After installation Technology and components...
  • Page 59: Entering Bios Setup Program

    Without keyboard Press the power button to turn on your tablet. Press and hold the Volume Up button when the Dell logo appears on the screen. When the F12 boot selection menu appears, select BIOS Setup using the Volume Up button.
  • Page 60: 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. Tap Product Support, enter the Service Tag of your tablet and tap Submit.
  • Page 61: 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 services www.dell.com Windows 8.1 and Windows 10 Dell Help & Support app Windows 10 Get started app Windows 8.1...

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