Dell Pro 14 Plus Service Manual
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Dell Pro 14 Plus Service Manual

Dell Pro 14 Plus Service Manual

Portable monitor
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Dell Pro 14 Plus Portable Monitor
P1425
Service Manual
Model: P1425
Regulatory Model: P1425f
February 2025
Rev. A00
Regulatory information
1

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Summary of Contents for Dell Pro 14 Plus

  • Page 1 Dell Pro 14 Plus Portable Monitor P1425 Service Manual Model: P1425 Regulatory Model: P1425f February 2025 Regulatory information Rev. A00...

  • Page 2: Notes, Cautions, And Warnings

    A WARNING indicates a potential for property damage, personal injury, or death. © 2025 Dell Inc. or its subsidiaries. All rights reserved. Dell Technologies, Dell, 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

    Installing the power button ............................30 Function button ................................. 31 Removing the function button ............................. 31 Installing the function button ............................32 Troubleshooting Instructions ....................33 Chapter 7: Self-test ..................................... 33 Built-in diagnostics ................................34 Common problems ................................35 Contacting Dell........................36 Chapter 8: Contents...

  • Page 4: Chapter 1: Safety Instructions

    Safety Instructions Use the following safety guidelines to protect your monitor from potential damage and to ensure your personal safety. Unless otherwise noted, each procedure included in this document assumes that you have read the safety information that shipped with your monitor. NOTE: Before using the monitor, read the safety information that is shipped with your monitor and printed on the product.

  • Page 5: Before Working Inside Your Monitor

    Before working inside your monitor Steps Save and close all open files and exit all open applications. Turn off your monitor. Disconnect your monitor and all attached devices from their electrical outlets. Disconnect all attached network devices and peripherals, such as keyboard, mouse, and dock from your monitor. CAUTION: To disconnect a network cable, first unplug the cable from your monitor and then unplug the cable from the network device.

  • Page 6: Views Of P1425 Monitor

    Views of P1425 monitor Side view Figure 1. Side view of the monitor Views of P1425 monitor...

  • Page 7: Back View And Label Information

    Back view and label information Figure 2. Bottom view of the monitor Views of P1425 monitor...

  • Page 8: Front And Back View

    Front and back view Figure 3. Front and back view of the monitor Display panel Provides visual output to the user. USB Type-C (support Alt mode DP 1.2 and PD function) Connect to your computer/phone with the USB Type-C (C to C) cable. Alt Mode DP1.2, HBR, HDCP 1.4, power pass-through of up to 65 W.

  • Page 9: Major Components Of P1425 Monitor

    Major components of P1425 monitor Figure 4. Major components Table 1 Components Item Description Item Description Base top cover VESA rubber Base rubber Hinge Back cover Base bottom cover Auto-rotation sensor board Main board Panel Function buttons Power button Front bezel Major components of P1425 monitor...

  • Page 10: Wiring Connectivity Diagram

    Wiring connectivity diagram Figure 5. Wiring connectivity diagram Table 2 Cables Item Description Auto-rotation sensor cable eDP cable Wiring connectivity diagram...

  • Page 11: Connecting The Cables

    Before you begin any of the following procedures, follow the Safety Instructions. NOTE: Dell monitors are designed to work optimally with the Dell supplied cables inside the box. Dell does not guarantee the video quality and performance if non-Dell cables are used. NOTE: Do not connect all cables to the computer at the same time.

  • Page 12: Plug-In Usage

    When connecting an adapter of <30 W, a maximum of up to 7.5 W is supported via power pass-through. The Dell monitor P1425 can only output a maximum of 65 W to the computer. If the computer requires 90 W or above, it will need an adapter of 90 W or above connected to the computer or the battery will drain during usage.

  • Page 13: Disassembly And Reassembly

    Disassembly and reassembly NOTE: The images in this document may differ from your computer depending on the configuration you ordered. Recommended tools Phillips screwdriver #00  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 14: Sleeve

    Sleeve Removing the sleeve Prerequisites Follow the procedure in Before working inside your monitor. Steps Pull the monitor out from the sleeve. Figure 10. Removing the sleeve Installing the sleeve Steps Replace the monitor to the sleeve. Figure 11. Installing the sleeve Next steps Follow the procedure in After working inside your...

  • Page 15: Bottom Base Cover

    Bottom base cover Removing the bottom base cover Prerequisites Follow the procedure in Before working inside your monitor. Remove the sleeve. Steps Remove the six rubbers on the bottom base cover. Remove the six screws (M2x4) that secure the bottom base cover. Lift the bottom cover up from the monitor.
  • Page 16 Figure 13. Removing the bottom base cover Disassembly and reassembly...

  • Page 17: Installing The Bottom Base Cover

    Installing the bottom base cover Steps 1. Replace the six screws (M2x4) to secure the bottom base cover. 2. Adhere the six rubbers on the bottom base cover to cover the screws. Figure 14. Installing the bottom base cover Next steps Install the sleeve.

  • Page 18: Main Board

    Main board Removing the main board Prerequisites Follow the procedure in Before working inside your monitor. Remove the sleeve. Remove the bottom base cover. Steps Remove the five screws (M1.6x2.5) that secure the main board. Pull the main board up and flip it over to make the connector visible. Disconnect the auto-rotation sensor cable from the connector on the main board.
  • Page 19 Figure 16. Removing the main board Disassembly and reassembly...

  • Page 20: Installing The Main Board

    Figure 17. Removing the main board Installing the main board Steps Connect the eDP cable to the connector on the main board. Connect the auto-rotation sensor cable to the connector on the main board. Flip the main board over and place it into the top base cover. Replace the five screws (M1.6x2.5) to secure the main board with the top base cover.
  • Page 21 Figure 19. Installing the main board Disassembly and reassembly...
  • Page 22 Next steps Installing the bottom base cover. Install the sleeve. Follow the procedure in After working inside your monitor. Disassembly and reassembly...

  • Page 23: Auto-Rotation Sensor Board

    Auto-rotation sensor board Removing the auto-rotation sensor board Prerequisites Follow the procedure in Before working inside your monitor. Remove the sleeve. Remove the bottom base cover. Remove the main board. Steps Remove the front bezel from the back cover. (Can not rework without new adhesive.) Tilt open the monitor base.

  • Page 24: Installing The Auto-Rotation Sensor Board

    Figure 21. Removing the auto-rotation sensor board Installing the auto-rotation sensor board Steps Connect the auto-rotation sensor cable to the connector on the auto-rotation sensor board. Open the monitor base. Make the auto-rotation sensor cable go through the hole between the back cover and the hinge. Adhere the auto-rotation sensor board on the back cover.
  • Page 25 Figure 23. Installing the auto-rotation sensor board Next steps Install the main board. Install the bottom base cover. Install the sleeve. Follow the procedure in After working inside your monitor. Disassembly and reassembly...

  • Page 26: Hinge

    Hinge Removing the hinge Prerequisites Follow the procedure in Before working inside your monitor. Remove the sleeve. Remove the bottom base cover. Remove the main board. Remove the auto-rotation sensor board. Steps Remove the six screws (M2x3) that secure the hinge to the top base cover. Remove the six screws (M2x3) that secure the hinge to the back cover.

  • Page 27: Installing The Hinge

    Figure 25. Removing the hinge Installing the hinge Steps Place the hinges on the top base cover. Replace the six screws (M2x3) to secure the hinges to the top base cover. Flip the monitor over, replace the six screws (M2x3) to secure the hinges to the back cover. Figure 26.
  • Page 28 Figure 27. Installing the hinge Next steps Install the auto-rotation sensor board. Install the main board. Install the bottom base cover. Install the sleeve. Follow the procedure in After working inside your monitor. Disassembly and reassembly...

  • Page 29: Power Button

    Power button Removing the power button Prerequisites Follow the procedure in Before working inside your monitor. Remove the sleeve. Remove the bottom base cover. Remove the main board. Remove the auto-rotation sensor board. Remove the hinge. Steps Remove the two screws (M1.6x2.5) that secure the power button to the top base cover. Lift the power button up from the top base cover.

  • Page 30: Installing The Power Button

    Installing the power button Steps Replace the power button on the top base cover. Replace the two screws (M1.6x2.5) to secure the power button to the top base cover. Figure 29. Installing the power button Next steps Install the hinge. Install the auto-rotation sensor board.

  • Page 31: Function Button

    Function button Removing the function button Prerequisites Follow the procedure in Before working inside your monitor. Remove the sleeve. Remove the bottom base cover. Remove the main board. Remove the auto-rotation sensor board. Remove the hinge. Remove the power button. Steps Remove the three screws (M1.6x2.5) that secure the function button to the top base cover.

  • Page 32: Installing The Function Button

    Installing the function button Steps Replace the function button on the top base cover. Replace the three screws (M1.6x2.5) to secure the function button to the top base cover. Figure 31. Installing the function button Next steps Installing the power button.

  • Page 33: Chapter 7: Troubleshooting Instructions

    Troubleshooting Instructions WARNING: Before you begin any of the procedures in this section, follow the Safety Instructions. Self-test Your monitor provides a self-test feature that allows you to check if your monitor is functioning properly. If your monitor and computer are properly connected but the monitor screen remains dark, run the monitor self-test by performing the following steps: Turn off your computer.

  • Page 34: Built-In Diagnostics

    Built-in diagnostics Your monitor has a built-in diagnostic tool that helps you determine if any screen abnormality you experience is an inherent problem with your monitor, or with your computer and video card. To run the built-in diagnostics: Ensure that the screen is clean (no dust particles on the surface of the screen). Press and hold the button for about 3 seconds and wait for a pop up diagnostic pattern.

  • Page 35: Common Problems

    • Check if the maximum power consumption device is over 65 W. USB Type-C connection to Ensure that you use only Dell approved adapter or the adapter that comes with the product. • computer, laptop, and so on Ensure that you use Dell-approved USB Type-C cable provided with the monitor.

  • Page 36: Chapter 8: 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 about your purchase invoice, packing slip, bill, or Dell product catalog.

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P1425

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