Page 1 Dell Pro 14 Plus PB14250/PB14250 2-in-1 Owner's Manual Regulatory Model: P199G/P200G Regulatory Type: P199G001/P200G001 January 2025 Rev. A00...
Page 2 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
Left......................................7 Top......................................8 Front....................................... 9 Bottom....................................10 Modes....................................11 Battery-charge status light............................. 12 Chapter 2: Set up your Dell Pro 14 Plus..................13 Chapter 3: Specifications of Dell Pro 14 Plus................15 Dimensions and weight..............................15 Processor..................................... 15 Chipset....................................16 Operating system................................16 Memory....................................
Page 4 After working inside your computer........................35 BitLocker..................................... 35 Recommended tools................................. 35 Screw list.....................................36 Major components of Dell Pro 14 Plus..........................37 Chapter 5: Removing and installing Customer Replaceable Units (CRUs)........40 SIM card tray..................................40 Removing the SIM-card tray............................ 40 Installing the SIM-card tray............................41 Base cover..................................
Page 5 Removing the MIPI camera............................85 Installing the MIPI camera............................86 Camera....................................88 Removing the camera and display cable........................88 Installing the camera and display cable........................89 Display back cover................................91 Removing the display back cover..........................91 Installing the display back cover ..........................92 Smart-card reader................................93 Removing the smart card reader ..........................93 Installing the smart card reader ..........................94 USH daughter board.................................96...
Page 6 Clearing system and setup passwords........................142 Chapter 10: Troubleshooting...................... 143 Handling swollen rechargeable Li-ion batteries......................143 Dell SupportAssist Pre-boot System Performance Check diagnostics.............. 143 Running the SupportAssist Pre-Boot System Performance Check.............. 144 Built-in self-test (BIST)..............................144 (Motherboard Built-In Self-Test) M-BIST......................144 Logical Built-in Self-test (L-BIST).........................145...
Page 7: Chapter 1: Views Of Dell Pro 14 Plus
Views of Dell Pro 14 Plus Right Figure 1. Right view 1. Nano-SIM card slot (optional) Insert a SIM card to connect to a mobile broadband network. NOTE: Availability of the SIM card slot depends on the region and configuration ordered.
Page 8: Top
Supports USB4, DisplayPort 2.1, Thunderbolt 4 and also enables you to connect to an external display using a display adapter. Provides data transfer rates of up to 40 Gbps for USB4 and Thunderbolt 4. NOTE: You can connect a Dell Docking Station to the Thunderbolt 4 ports. For more information, search in the Knowledge Base Resource at Dell Support Site.
Page 9: Front
Enhances security when paired with Windows Hello face authentication. 3. Infrared emitter (optional) Emits infrared light, which enables the infrared camera to sense and track motion. 4. Camera Enables you to video chat, capture photos, and record videos. Views of Dell Pro 14 Plus...
Page 10: Bottom
1. Speakers Provide audio output. 2. Service Tag label The Service Tag is a unique alphanumeric identifier that enables Dell service technicians to identify the hardware components in your computer and access warranty information. Views of Dell Pro 14 Plus...
Page 11: Modes
Modes The following modes are supported only on Dell Pro Plus 14 2-in-1 configuration. Notebook Figure 6. Notebook mode Tablet Figure 7. Tablet Mode Stand Figure 8. Stand mode Views of Dell Pro 14 Plus...
Page 12: Battery-Charge Status Light
Tent Figure 9. Tent mode Battery-charge status light The following table lists the battery-charge status light of your Dell Pro 14 Plus. Table 1. Battery charge and status light behavior Power source LED behavior System power state Battery charge level...
Page 13: Chapter 2: Set Up Your Dell Pro 14 Plus
● If connected to the Internet, sign-in with an existing Microsoft account or create a new account. If not connected to the Internet, create an offline account. ● On the Support and Protection screen, enter your contact details. 3. Locate and use Dell apps from the Windows Start menu—Recommended. Set up your Dell Pro 14 Plus...
Page 14 When an issue is detected, the necessary system state information is sent to Dell to begin troubleshooting. SupportAssist is preinstalled on most of the Dell devices running the Windows operating system. For more information, see Support Assist documentation at Dell Support Site.
Page 15: Chapter 3: Specifications Of Dell Pro 14 Plus
The weight of your computer depends on the configuration ordered and manufacturing variability. Processor The following table lists the details of the processors that are supported in your Dell Pro 14 Plus. Table 4. Processor Description Option one Option two...
Page 16: Chipset
Chipset The following table lists the details of the chipset that is supported in your Dell Pro 14 Plus. Table 5. Chipset Description Values Chipset Integrated in the processor Processor Intel Core Ultra 5/7 DRAM bus width 64-bit Flash EPROM...
Page 17: External Ports And Slots
M.2 cards, search in the Knowledge Base Resource at Dell Support Site. Wireless module The following table lists the Wireless Local Area Network (WLAN) module that is supported on your Dell Pro 14 Plus. Table 9. Wireless module specifications Description Values Model number...
Page 18: Wwan Module
Bluetooth wireless card Bluetooth 5.4 WWAN module The following table lists the Wireless Wide Area Network (WWAN) module that is supported in your Dell Pro 14 Plus. NOTE: The WWAN module is available only on certain configurations and in certain regions.
Page 19: Audio
For instructions to find your computer's International Mobile Equipment Identity (IMEI) number, search in the Knowledge Base Resource at Dell Support Site. Audio The following table lists the audio specifications of your Dell Pro 14 Plus. Table 11. Audio specifications Description Values Audio controller...
Page 20: Keyboard
1 TB, 512 GB, 256 GB M.2 2230 solid-state drive, QLC Gen 4 PCIe NVMe upto 64 Gbps 512 GB Keyboard The following table lists the keyboard specifications of your Dell Pro 14 Plus. Table 13. Keyboard specifications Description Values Keyboard type ●...
Page 21 Operating system Context menu behavior. Fn + Esc Toggle Function key lock Fn + PgUp (cursor up) Scroll up the document or page Fn + PgDn (cursor down) Scroll down the document or page Specifications of Dell Pro 14 Plus...
Page 22: Camera
Camera The following table lists the camera specifications of your Dell Pro 14 Plus. Table 16. Camera specifications Description Values Number of cameras Camera type There are three camera options: ● RGB camera ● RGB + IR camera ● MIPI + IR camera...
Page 23: Fingerprint Reader (Optional)
Fingerprint reader (optional) The following table lists the specifications of the optional fingerprint-reader of your Dell Pro 14 Plus. Table 18. Fingerprint reader specifications Description Values Sensor technology Trans-capacitive sensing Sensor resolution 500/363 dpi Sensor pixel size ● X: 108 / 76 ●...
Page 24: Power Adapter Requirements
This section contains the power adapter requirements for the Dell Pro 14 Plus. NOTE: If you did not purchase the Dell-branded power adapter that is recommended for your computer, ensure that the power adapter you use meets the following requirements: Table 20.
Page 25: Battery
ExpressCharge mode must also be enabled in the BIOS Setup screen by selecting Power > Battery Configuration > ExpressCharge, then pressing Enter. Battery The following table lists the battery specifications of your Dell Pro 14 Plus. Table 22. Battery specifications Description Option one...
Page 26: Power Requirements (For Computers Shipped With 3-Cell, 45 Wh Battery)
CAUTION: Dell recommends that you charge the battery regularly for optimal power consumption. If your battery charge is completely depleted, connect the power adapter, turn on your computer, and then restart your computer to reduce the power consumption.
Page 27: Power Requirements (For Computers Shipped With 3-Cell, 55 Wh Battery)
72 Watts in order to achieve the maximum charging speed. This computer supports USB Power Delivery (PD) fast charging. Display The following table lists the display specifications of your Dell Pro 14 Plus. Table 23. Display specifications Description...
Page 28: Gpu-Integrated
Anti-glare Anti-reflection Anti-glare finish Touch options GPU—Integrated The following table lists the specifications of the integrated Graphics Processing Unit (GPU) supported by your Dell Pro 14 Plus. Table 24. GPU—Integrated Controller Memory size Processor Intel Arc Graphics Shared system memory...
Page 29: Operating And Storage Environment
† Measured using a 2 ms half-sine pulse. Dell Optimizer Dell Optimizer is an AI-based software application that allows you to customize your computer settings for power and battery, and more. For Dell Pro 14 Plus with Dell Optimizer, you can: ●...
Page 30: Chapter 4: Working Inside Your Computer
You should only perform troubleshooting and repairs as authorized or directed by the Dell technical support team. Damage due to servicing that is not authorized by Dell is not covered by your warranty. See the safety instructions that are shipped with the product or at Dell Regulatory Compliance Home Page.
Page 31: Service Mode
Ensure that your computer is shut down and the power adapter is disconnected. a. Press and hold the B key and the power button for 3 seconds or until the Dell logo appears on the screen. b. Press any key to continue.
Page 32 Figure 13. Booting screen 4. Ensure that the AC adapter has been disconnected and press any key to proceed. Figure 14. Booting screen 5. When the ready-to-proceed message appears on the screen, press any key to proceed. The computer emits three short beeps and shuts down immediately.
Page 33: Safety Precautions
Standby power Dell products with standby power must be unplugged before you open the back cover. Systems that are equipped with standby power are powered while turned off. The internal power enables the computer to be remotely turned on (Wake-on-LAN) and suspended into a sleep mode and has other advanced power management features.
Page 34: Esd Field Service Kit
as intermittent problems or a shortened product life span. As the industry pushes for lower power requirements and increased density, ESD protection is an increasing concern. Two recognized types of ESD damage are catastrophic and intermittent failures. ● Catastrophic – Catastrophic failures represent approximately 20 percent of ESD-related failures. The damage causes an immediate and complete loss of device functionality.
Page 35: Transporting Sensitive Components
Dell products. In addition, it is critical to keep sensitive parts separate from all insulator parts while servicing the computer. 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. After working inside your computer...
Page 36: Screw List
● Phillips screwdriver #0 ● Phillips screwdriver #1 ● Flat head slotted screwdriver (<4mm) ● Plastic scribe Screw list NOTE: When removing screws from a component, it is recommended to note the screw type and the quantity of screws, and then place them in a screw storage box. This is to ensure that the correct number of screws and correct screw type is restored when the component is replaced.
Page 37: Major Components Of Dell Pro 14 Plus
WWAN card. I/O board M2x3 USB C connector module M2x5 Keyboard assembly M1.6x1.7 Major components of Dell Pro 14 Plus The following image shows the major components of Dell Pro 14 Plus. Working inside your computer...
Page 38 Figure 16. Explode view 1. Base cover 2. Heatsink 3. Fan 4. System board 5. Battery 6. Speakers 7. Keyboard assembly Working inside your computer...
Page 39 17. Solid-state drive shielding cover NOTE: Dell provides a list of components and their part numbers for the original computer configuration purchased. These parts are available according to warranty coverage purchased by the customer. Contact your Dell sales representative for purchase options.
Page 40: Chapter 5: Removing And Installing Customer Replaceable Units (Crus)
Removing and installing Customer Replaceable Units (CRUs) The replaceable components in this chapter are Customer Replaceable Units (CRUs). CAUTION: Customers can replace only the Customer Replaceable Units (CRUs) following the safety precautions and replacement procedures. NOTE: The images in this document may differ from your computer depending on the configuration you ordered. SIM card tray Removing the SIM-card tray Prerequisites...
Page 41: Installing The Sim-Card Tray
Figure 17. Removing the SIM-card tray Steps 1. Insert a pin into the release hole to release the SIM-card tray. 2. Push the pin to disengage the lock, and eject the SIM-card tray. 3. Slide the SIM-card tray out of the slot on the computer. 4.
Page 42: Base Cover
Figure 18. Installing the SIM-card tray Steps 1. Insert a pin into the release hole to release the SIM-card tray. 2. Push the pin to disengage the lock, and eject the SIM-card tray. 3. Slide the SIM-card tray out of the slot on the computer. 4.
Page 43 NOTE: Ensure that your computer is in Service Mode. For more information, see before working inside your computer. CAUTION: If the computer does not turn on, does not enter Service Mode, or does not support Service mode, disconnect the battery cable. 2.
Page 44 Figure 20. Removing the base cover Steps 1. Loosen the eight captive screws that secure the base cover in place. 2. Using a plastic scribe, pry open the base cover from the recesses that are located in the U-shaped indents at the top edge of the base cover near the hinges.
Page 45: Installing The Base Cover
Figure 21. Disconnecting the battery cable Installing the base cover Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following images indicate the location of the base cover and provide a visual representation of the installation procedure. Removing and installing Customer Replaceable Units (CRUs)
Page 46 Figure 22. Installing the base cover Removing and installing Customer Replaceable Units (CRUs)
Page 47 Figure 23. Installing the base cover NOTE: If you have disconnected the battery cable, ensure to connect the battery cable. To connect the battery cable, follow step 1 and step 2 in the procedure. Steps 1. Connect the battery cable to the battery-cable connector (BATT1) on the system board if the computer is not in service mode.
Page 48: Battery
● If the battery gets stuck inside your computer as a result of swelling, do not try to release it as puncturing, bending, or crushing a rechargeable Li-ion battery can be dangerous. In such an instance, contact Dell technical support for assistance. See Contact Support at Dell Support Site.
Page 49 Figure 24. Removing the battery Figure 25. Removing the battery cable Steps 1. Disconnect the battery cable from the battery cable connector (BATT1) on the system board (if not disconnected earlier). 2. Loosen the four captive screws that secure the battery in place. 3.
Page 50: Installing The Battery
5. Turn the battery over and disconnect the battery cable from the battery. 6. Remove the battery cable from 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 images indicate the location of the battery and provide a visual representation of the installation procedure.
Page 51: Wireless Wide Area Network (Wwan) Card
Figure 27. Installing the battery Steps 1. Connect the battery cable to the connector on the battery. 2. Route the battery cable along the routing guides on the battery. NOTE: When reinstalling the battery cable, ensure that the cable is properly routed under the securing tabs. 3.
Page 52 3. Remove the base cover. About this task The following images indicate the location of the WWAN card and provide a visual representation of the removal procedure. Figure 28. Removing the WWAN card Steps 1. Remove the three screws (M2x3) securing the WWAN shielding cover in place. 2.
Page 53: Installing The Wwan Card
Installing the WWAN card About this task The following images indicate the location of the WWAN card and provide a visual representation of the installation procedure. Figure 29. Installing the WWAN card Steps 1. Insert the 5G WWAN card at an angle into the 5G WWAN-card slot on the I/O board. NOTE: If you are replacing the 5G WWAN card, ensure that the thermal pad is in place.
Page 54: Solid State Drive (Ssd)
Table 28. Antenna-cable color scheme for 5G WWAN cards Connectors on the WWAN Antenna-cable color Silkscreen marking card △ (white triangle) Black with a thin white stripe ANT3 D/G △ (white triangle) Blue ANT2 M2 △ (white triangle) Orange ANT1 M1 △...
Page 55: Installing The M.2 2230 Solid-State Drive
Figure 30. Removing the M.2 2230 SSD Steps 1. Remove the two screws (M2x3) securing the SSD shielding cover in place. 2. Remove the SSD shielding cover from the computer. NOTE: If the thermal pads get separated from the shielding cover or gets adhered to the SSD while replacing the SSD, the technicians must readhere the thermal pad to the SSD cover before reinstalling it to the computer.
Page 56: Removing The M.2 2280 Solid State Drive
Figure 31. Installing the M.2 2230 SSD Steps 1. Place the M.2 2230 SSD mounting bracket in space. NOTE: For models shipped with M.2 2230 SSD, ensure that the SSD screw holder is transferred when the system board is replaced. 2.
Page 57: Installing The M.2 2280 Solid State Drive
Figure 32. Removing the M.2 2280 SSD Steps 1. Remove the two screws (M2x3) securing the SSD shielding cover in place. 2. Remove the SSD shielding cover from the palm-rest assembly. NOTE: If the thermal pads get separated from the shielding cover or gets adhered to the SSD while replacing the SSD, the technicians must readhere the thermal pad to the SSD cover before reinstalling it to the computer.
Page 58: Speakers
Figure 33. Installing the M.2 2280 SSD Steps 1. Align the notch on the M.2 2280 SSD with the tab on the M.2 2280 SSD slot. 2. Place the SSD shielding cover over the M.2 2280 SSD and replace the two screws (M2x3) to secure it in place. Next steps 1.
Page 59: Installing The Speakers
Figure 34. Removing the speakers Steps 1. Disconnect the speaker cable from the I/O board. 2. Unroute the speaker cables from the routing guides on the bottom side of the palm-rest. 3. Remove the six screws (M1.6x1.5) that secure the speakers in place. 4.
Page 60: Fan
Figure 35. Installing the speakers Steps 1. Using the alignment posts and rubber grommets, place the speakers into the slots on the palm-rest and keyboard assembly. NOTE: To properly position the speakers, secure the rubber grommets into the hooks. 2. Replace the six screws (M1.6x1.5) that secure the speakers in place. 3.
Page 61: Installing The Fan
About this task The following image indicates the location of the fan and provides a visual representation of the removal procedure. Figure 36. Removing the fan Steps 1. Peel the tape that secures the fan cable connector to the I/O board. 2.
Page 62 Figure 37. Intsalling the fan Steps 1. Place the fan on the palm-rest assembly. 2. Align the screw holes on the fan to the screw holes on the palm-rest assembly. 3. Replace the two screws (M2x3) that secure the fan to the palm-rest assembly. 4.
Page 63: Chapter 6: Removing And Installing Field Replaceable Units (Frus)
To avoid any potential damage to the component or loss of data, ensure that an authorized service technician replaces the Field Replaceable Units (FRUs). CAUTION: Dell Technologies recommends that this set of repairs, if needed, to be conducted by trained technical repair specialists. CAUTION: As a reminder, your warranty does not cover damages that may occur during FRU repairs that are not authorized by Dell Technologies.
Page 64 Figure 38. Removing the display assembly Removing and installing Field Replaceable Units (FRUs)
Page 65: Installing The Display Assembly
Figure 39. Placing the laptop at angle Steps 1. Release the WWAN antenna cables out of the cable holder. 2. Remove the screw (M2x3) that secures the power-button bracket in place. 3. Lift the power-button bracket off the computer and disconnect the power-button cable from the system board. 4.
Page 66 Figure 40. Aligning the display assembly with the palm-rest assembly Removing and installing Field Replaceable Units (FRUs)
Page 67 Figure 41. Aligning the display assembly with the palm-rest assembly (2-in-1) Removing and installing Field Replaceable Units (FRUs)
Page 68 Figure 42. Aligning the display assembly with the palm-rest assembly (2-in-1) Steps 1. Place the palm-rest assembly facing upwards on a flat table and place the display assembly at a 90-degree angle. 2. Align the holes on the hinges with the screw holes on the palm-rest assembly and replace the four screws (M2.5x4) that secure it in place.
Page 69: Display Bezel
Display bezel Removing the display bezel CAUTION: The information in this removal section is intended for authorized service technicians only. Prerequisites 1. Follow the procedure in before working inside your computer. 2. Remove the sim-card tray, if applicable. 3. Remove the base cover.
Page 70 Figure 43. Prying the plastic bezel Removing and installing Field Replaceable Units (FRUs)
Page 71 Figure 44. Prying the bezel along the hinges Removing and installing Field Replaceable Units (FRUs)
Page 72 Figure 45. Prying the bezel along the hinges Removing and installing Field Replaceable Units (FRUs)
Page 73 Figure 46. Prying the bezel along the sides Removing and installing Field Replaceable Units (FRUs)
Page 74: Installing The Display Bezel
Figure 47. Removing the display bezel Steps 1. Insert a flat-head slotted screwdriver (maximum width: 4 mm) into the slots on the display bezel near the hinges, and gently apply pressure to release the bezel at both ends, creating a gap. NOTE: Do not use the flat head screwdriver to pry up the rest of the bezel.
Page 75 Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following images indicate the location of the display bezel and provide a visual representation of the installation procedure. Figure 48. Installing the display bezel Steps 1.
Page 76: Display Panel
5. Follow the procedure in after working inside your computer. Display panel Removing the display panel CAUTION: The information in this removal section is intended for authorized service technicians only. Prerequisites 1. Follow the procedure in before working inside your computer.
Page 77 Figure 49. Removing the display panel Removing and installing Field Replaceable Units (FRUs)
Page 78 Figure 50. Removing the display cable from back cover Steps 1. Remove the four screws (M1.6x1.4) that secure the left display hinge cap and hinge assembly in place. 2. Gently flip the display panel and peel the tape securing the display cable to the back cover of the display assembly. 3.
Page 79: Installing The Display Panel
Figure 51. Display panel with brackets NOTE: On clamsehll models, the panel and its support brackets are defined as a single service part. Do not pull the two pieces of elastic tape and separate the brackets from the panel. Installing the display panel CAUTION: The information in this installation section is intended for authorized service technicians only.
Page 80 Figure 52. Installing the display cable Removing and installing Field Replaceable Units (FRUs)
Page 81 Figure 53. Installing the display panel Steps 1. Connect the display cable to the connector on the back cover of the display assembly. 2. Peel back the tape over the display cable to secure it to the back cover. 3. Flip over the display panel and replace the four screws (M1.6x1.4) to secure it in place. Next steps 1.
Page 82: Display Hinges
Display hinges Removing the display hinge cap and hinge assembly CAUTION: The information in this removal section is intended for authorized service technicians only. Prerequisites 1. Follow the procedure in before working inside your computer. 2. Remove the sim-card tray, if applicable. 3.
Page 83: Installing The Display Hinge Cap And Hinge Assembly
Figure 54. Removing the display hinges Steps 1. Using a plastic scribe, pry the hinge rubber out of the left and right hinge caps. NOTE: Do not pull the display cable, Darwin cable, or the WWAN antenna cables out of the hinge caps directly. 2.
Page 84 About this task NOTE: Ensure that the hinges are opened to the maximum before replacing the display assembly on the palm-rest and keyboard assembly. The following images indicate the location of the display hinges and provide a visual representation of the installation procedure. Figure 55.
Page 85: Mipi Camera
NOTE: This procedure applies only to computers shipped with a WWAN card installed. 5. Install the base cover. 6. Install the SIM card tray, if applicable. 7. Follow the procedure in after working inside your computer. MIPI camera Removing the MIPI camera CAUTION: The information in this removal section is intended for authorized service technicians only.
Page 86: Installing The Mipi Camera
Figure 57. Removing the camera cable from middle I/O board Steps 1. Pry the camera module off the display back cover from the prying point at the bottom edge of the camera module. 2. Remove the clip securing the MIPI camera to the daughter board cable. 3.
Page 87 Figure 58. Installing the camera cable to middle I/O board Figure 59. Installing the MIPI camera Steps 1. Replace the two screws (M1.6x1.4) to secure the camera cable to the middle I/O board. 2. Attach the clip that secures the MIPI camera connection to the daughter board cable. 3.
Page 88: Camera
NOTE: When installing the clip to secure the MIPI camera connection to the middle daughter board cable, ensure that the top side (with “TOP” etched on it) is facing up. Next steps 1. Install the display panel 2. Install the display bezel.
Page 89: Installing The Camera And Display Cable
Figure 60. Removing the camera and display cable Steps 1. Disconnect the display cable from the camera. 2. Pry the camera starting from the prying point at the bottom edge of the camera module. NOTE: While removing the IR/RGB camera module, pry up the module from the recess at its bottom side indicated by an arrow and then slide along the bottom side to detach it from the display back cover.
Page 90 Figure 61. Installing the camera and display cable Steps 1. Align the camera to the display back cover. 2. Connect the display cable to the camera. 3. Readhere the display cable at the bottom of the display back cover. Next steps 1.
Page 91: Display Back Cover
Display back cover Removing the display back cover CAUTION: The information in this removal section is intended for authorized service technicians only. Prerequisites 1. Follow the procedure in before working inside your computer. 2. Remove the sim-card tray, if required. 3.
Page 92: Installing The Display Back Cover
Figure 62. Removing display assembly back cover Installing the display back cover CAUTION: The information in this installation section is intended for authorized service technicians only. Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following images indicate the location of the display assembly and provide a visual representation of the installation procedure.
Page 93: Smart-Card Reader
9. Install the SIM card tray, if required. 10. Follow the procedure in after working inside your computer Smart-card reader Removing the smart card reader CAUTION: The information in this removal section is intended for authorized service technicians only. Prerequisites 1.
Page 94: Installing The Smart Card Reader
Figure 63. Removing the smart card reader Steps 1. Open the latch and disconnect the smartcard reader flexible flat cable from the USH daughter board. 2. Peel the smartcard reader flexible flat cable. 3. Remove the four screws (M2x2) that secure the smart card reader in place. 4.
Page 95 The following images indicate the location of the smart card reader and provide a visual representation of the installation procedure. Figure 64. Installing the smartcard reader Steps 1. Align and place the smart card reader on the palm-rest assembly. 2. Replace the four screws (M2x2) that secure the smart card reader to the palm-rest and keyboard assembly. 3.
Page 96: Ush Daughter Board
USH daughter board Removing the USH Daughter Board CAUTION: The information in this removal section is intended for authorized service technicians only. Prerequisites 1. Follow the procedure in before working inside your computer. 2. Remove the sim-card tray, if applicable. 3.
Page 97: Heatsink
Figure 66. Installing the USH daughter board Steps 1. Place the USH daughter board on the chassis. 2. Replace the two screws (M1.6x1.5) that secure the USH daughter board in place. 3. Connect the USH daughter board flexible flat cable to the connector on the USH daughter board. Adhere the USH daughter board flexible flat cable to the I/O daughter board.
Page 98: Installing The Heat-Sink
NOTE: For maximum cooling of the processor, do not touch the heat-transfer areas on the heat-sink. The oils in your skin can reduce the heat-transfer capability of the thermal grease. The following image indicates the location of the heat-sink and provides a visual representation of the removal procedure. Figure 67.
Page 99: System Board
Figure 68. Installing the heat-sink Steps 1. Place the heat-sink on the system board. 2. Align the screw holes on the heat-sink with the screw holes on the system board. 3. Tighten the four captive screws (4>3>2>1) that secure the heat-sink to the system board. Next steps 1.
Page 100 Figure 69. Sytem board callout 1. WLAN card 2. Camera cable connector 3. Display cable connector 4. Solid state drive slot 5. Battery cable connector 6. USH cable connector Prerequisites 1. Follow the procedure in before working inside your computer. 2.
Page 101 Figure 70. Removing the system board Steps 1. Remove the screw (M2x3) that secures the WLAN bracket in place. 2. Remove the WLAN bracket from the computer. 3. Disconnect the WLAN antenna cables from the WLAN module on the system board. 4.
Page 102: Installing The System Board
Installing the system board CAUTION: The information in this installation section is intended for authorized service technicians only. Figure 71. Sytem board callout 1. WLAN card 2. Camera cable connector 3. Display cable connector 4. Solid state drive slot 5. Battery cable connector 6.
Page 103 Figure 72. Installing the system board Steps 1. Place the system board in place and align the screw holes on the system board with the screw holes on the chassis. NOTE: When installing the system board, follow the number markings on the board-to-board connector bracket to install the two screws (M2x4) in the sequence of 1 >...
Page 104: Usb-C Connector Module
6. Follow the procedure in after working inside your computer. USB-C connector module Removing the USB-C connector module CAUTION: The information in this removal section is intended for authorized service technicians only. Prerequisites 1. Follow the procedure in before working inside your computer.
Page 105: Installing The Usb-C Connector Module
Installing the USB-C connector module CAUTION: The information in this installation section is intended for authorized service technicians only. Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following images indicate the location of theUSB-C connector module and provide a visual representation of the installation procedure.
Page 106: I/O Board
I/O board Removing the I/O board CAUTION: The information in this removal section is intended for authorized service technicians only. Prerequisites 1. Follow the procedure in before working inside your computer. 2. Remove the sim-card tray, if applicable. 3. Remove the base cover.
Page 107 Figure 75. Removing the daughter board Steps 1. Peel the USH daughter board flexible flat cable from the I/O board. NOTE: This step applies to models shipped with a USH daughter board. 2. Release the WWAN antenna cables from the routing guides on the I/O board and move it away from the I/O board. 3.
Page 108: Installing The I/O Board
Installing the I/O board CAUTION: The information in this installation section is intended for authorized service technicians only. About this task The following images indicate the location of the I/O board and provide a visual representation of the installation procedure. Figure 76.
Page 109: Power-Button With Fingerprint Reader
5. Route the WWAN antenna cables along the routing channels on the I/O board. 6. Adhere the USH daughter board flexible flat cable on the I/O board (for models shipped with a USH daughter board). Next steps 1. Install the system board.
Page 110: Installing The Power Button With Fingerprint Reader
Figure 77. Remove the power button with fingerprint reader Steps 1. Remove the two screws (M1.6x1.7) that secure the power button bracket in place. 2. Lift the power button bracket off the computer. 3. Disconnect the power button cable from the connector on the chassis. Installing the power button with fingerprint reader CAUTION: The information in this installation section is intended for authorized service technicians only.
Page 111: Keyboard Assembly
Figure 78. Installing the power button with fingerprint reader Steps 1. Connect the power button with fingerprint reader cable to the connector on the computer. 2. Replace the power button bracket in place. 3. Replace the two screws (M1.6x1.7) that secure the power button bracket in place. Next steps 1.
Page 112 3. Remove the base cover. 4. Remove the battery. 5. Remove the WWAN. 6. Remove the M.2 2230 solid state drive M.2 2280 solid state drive, as applicable. 7. Remove the speakers. 8. Remove the fan. 9. Remove the display assembly.
Page 113 Figure 79. Removing the keyboard Figure 80. Removing the keyboard Removing and installing Field Replaceable Units (FRUs)
Page 114: Installing The Keyboard
Steps 1. Unroute the WLAN antenna cables from the routing guides on the keyboard bracket. 2. Disconnect the keyboard FPC and keyboard backlight FPC (for models that are shipped with the keyboard backlight) from the touchpad. 3. Remove the eighteen screws (M1.6x1.7) that secure the keyboard assembly in place. 4.
Page 115 Figure 82. Installing the keyboard Steps 1. Replace the keyboard on the keyboard bracket. 2. Replace the two screws (M2x2) that secure the keyboard to the keyboard bracket from the top side. 3. Replace the keyboard assembly on the palm rest. 4.
Page 116: Palm-Rest Assembly
14. Install the base cover. 15. Install the SIM card tray, if applicable. 16. Follow the procedure in after working inside your computer. Palm-rest assembly Removing the palm-rest assembly CAUTION: The information in this removal section is intended for authorized service technicians only. Prerequisites 1.
Page 117: Installing The Palm-Rest
Figure 83. Palm-rest NOTE: When replacing the palm rest for models shipped with WLAN card, use a plastic scribe to pry off the SIM-card slot filler from the palm rest and then transfer it over to the replacement palm rest. Installing the palm-rest CAUTION: The information in this installation section is intended for authorized service technicians only.
Page 118 10. Install the fan. 11. Install the speakers 12. Install the M.2 2230 solid state drive M.2 2280 solid state drive, as applicable. 13. Install the WWAN. NOTE: This procedure applies only to computers shipped with a WWAN card installed. 14.
Page 119: Chapter 7: Software
Support by Dell Technologies is subject to the Microsoft Windows 10 End of Support plan. Drivers and downloads When troubleshooting, downloading, or installing drivers, it is recommended that you read the Dell Knowledge Base article Drivers and Downloads FAQs 000123347.
Page 120: Chapter 8: Technology And Components
Technology and components NOTE: Instructions that are provided in the following section are applicable to computers that are shipped with the Windows operating system. Windows is factory-installed with this computer. Technology and components...
Page 121: Chapter 9: Bios Setup
BIOS Setup NOTE: Depending on the computer and the installed devices, the options that are listed in this section may or may not be displayed. CAUTION: Certain changes can make your computer work incorrectly. Before you change the settings in BIOS Setup, it is recommended that you note down the original settings for future reference.
Page 122: View Advanced Setup Options
Depending on your computer and its installed devices, the items that are listed in this section may or may not be displayed. Table 30. BIOS Setup options—Overview menu Overview Dell Pro 14 Plus PB14250 BIOS Version Displays the BIOS version number. Service Tag Displays the Service Tag of the computer.
Page 123 Table 30. BIOS Setup options—Overview menu (continued) Overview Ownership Date Displays the ownership date of the computer. Express Service Code Displays the Express Service Code of the computer. Ownership Tag Displays the Ownership Tag of the computer. Signed Firmware Update Displays whether the Signed Firmware Update is enabled on your computer. By default, the Signed Firmware Update option is enabled.
Page 124 The computer stops booting to the operating system when a component is not authenticated during the boot process. Secure Boot can be enabled in BIOS setup or using management interfaces like Dell Command|Configure, but can only be disabled from BIOS setup.
Page 125 Table 32. BIOS Setup options—Integrated Devices menu Integrated Devices Date/Time Date Sets the computer date in MM/DD/YYYY format. Changes to the date format take effect immediately. Time Sets the computer time in HH/MM/SS 24-hour format. You can switch between a 12-hour and 24-hour clock. Changes to the time format take effect immediately. Camera Enable Camera Enables the camera.
Page 126 Integrated Devices Type-C Dock Type-C Dock Override Enables or disables to use connected Type-C Dell Dock to provide data stream with external USB ports disabled. When Type-C Dock override is enabled, the Video/Audio/LAN submenu is activated. By default, the Type-C Dock Override option is enabled.
Page 127 Table 34. BIOS Setup options—Display menu (continued) Display By default, the screen brightness is set to 50 when the computer is running on battery power. Brightness on AC power Enables to set the screen brightness when the computer is running on AC power. By default, the screen brightness is set to 100 when the computer is running on AC power.
Page 128 USB Wake Support Wake on Dell USB-C Dock When enabled, connecting a Dell USB-C Dock wakes the computer from Standby, Hibernate, and Power Off. By default, the Wake on Dell USB-C Dock option is enabled. BIOS Setup...
Page 129 TPM On Allows you to enable or disable TPM. By default, the TPM On option is enabled. For additional security, Dell Technologies recommends keeping TPM On enabled to allow these security technologies to fully function. Physical Presence Interface (PPI) Bypass...
Page 130 BIOS. This option returns to the disabled state when the computer restarts. By default, the Clear option is disabled. Dell Technologies recommends enabling the Clear option only when TPM data is required to be cleared. Intel Total Memory Encryption Enables or disables the processor’s memory encryption feature.
Page 131 By default, the Start Data Wipe option is disabled. Absolute Absolute Software provides various cyber security solutions, some requiring software preloaded on Dell computers and integrated into the BIOS. To use these features, you must enable the Absolute BIOS setting and contact Absolute for configuration and activation.
Page 132 Table 37. BIOS Setup options—Security menu (continued) Security Administrator password-based manageability tools from running, prevents some Dell software applications from reading configuration settings, and/or prevents changes to the BIOS configuration settings. When enabled, this option only supports the Authenticated BIOS Manageability Interface (ABI) for managing the BIOS configuration changes.
Page 133 BIOS passwords. You can modify the minimum and maximum length of the passwords and require passwords to contain certain character classes (upper case, lower case, digit, special character). Dell Technologies recommends setting the minimum password length to at least eight characters. Password Bypass The Password Bypass option allows the computer to reboot from the operating system without entering the computer or hard drive password.
Page 134 When an internal hard drive password is set, it must first be cleared before Master Password Lockout can be changed. By default, the Enable Master Password Lockout option is disabled. Dell does not recommend enabling the Master Password Lockout unless you have implemented your own password recovery computer. Allow Non-Admin PSID Revert The Allow Non-Admin PSID Revert option allows a user to clear the hard drive password without entering the BIOS Admin Password.
Page 135 Allows you to control the automatic boot flow for SupportAssist System Resolution Console and for Dell OS Recovery Tool. By default, the Dell Auto OS Recovery Threshold value is set to 2. Table 40. BIOS Setup options—System Management menu System Management Service Tag Displays the Service Tag of the computer.
Page 136 Table 40. BIOS Setup options—System Management menu (continued) System Management Power-on-Self-Test Automatic Recovery Enable or disable the automatic recovery of the computer from no power or no-POST failure by applying mitigation steps. By default, the Power-On-Self-Test Automatic Recovery option is enabled. NOTE: To view this option, enable Advanced Setup mode as described in View Advanced Setup...
Page 137 ● Intel Virtualization Technology - X ● Intel Virtualization Technology - Direct By default, the Intel Trusted Execution Technology (TXT) option is enabled. For additional security, Dell Technologies recommends keeping the Intel Trusted Execution Technology (TXT) option enabled. DMA Protection...
Page 138 Table 43. BIOS Setup options—Virtualization menu (continued) Virtualization Support NOTE: This option is provided only for compatibility purposes, since some older hardware is not DMA capable. Internal Port DMA Compatibility Mode Allows you to control the Internal Port DMA Compatibility for both internal and external ports.
Page 139: Updating The Bios
Failure to provide the recovery key can result in data loss or an operating system reinstall. For more information, see the Knowledge Base Resource updating the BIOS on Dell systems with BitLocker enabled. Steps 1.
Page 140: Updating The Bios From The One-Time Boot Menu
● USB drive formatted to the FAT32 file system (the drive 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 must be connected to the computer ●...
Page 141: System And Setup Password
5. Select the file and double-click the flash target file, and then click Submit. 6. Click Update BIOS. The computer restarts to flash the BIOS. 7. The computer will restart after the BIOS flash update is completed. System and setup password CAUTION: The password features provide a basic level of security for the data on your computer.
Page 142: Clearing System And Setup Passwords
6. Press Y to save the changes and exit from System Setup. The computer restarts. Clearing system and setup passwords About this task To clear the system or setup passwords, contact Dell technical support as described at Contact Support. NOTE: For information about how to reset Windows or application passwords, see the documentation accompanying Windows or your application.
Page 143: Chapter 10: Troubleshooting
● Using a non-Dell or incompatible battery may increase the risk of fire or explosion. Replace the battery only with a compatible battery purchased from Dell that is designed to work with your Dell computer. Do not use a battery from other computers with your computer.
Page 144: Running The Supportassist Pre-Boot System Performance Check
Dell Support Site. 4. If there are any issues, error codes are displayed. Note the error code and validation number and contact Dell. Built-in self-test (BIST) (Motherboard Built-In Self-Test) M-BIST M-BIST is the system board built-in self-test diagnostics tool that improves the diagnostics accuracy of system board Embedded Controller (EC) failures.
Page 145: Logical Built-In Self-Test (L-Bist)
LCD Built-in Self-Test (LCD-BIST) Dell laptops have a built-in diagnostic tool that helps you determine if the screen abnormality you are experiencing is an inherent problem with the LCD (screen) of the Dell laptop or with the video card (GPU) and computer settings.
Page 146: Recovering The Operating System
Replace motherboard Recovering the operating system When your computer is unable to boot to the operating system even after repeated attempts, it automatically starts Dell SupportAssist OS Recovery. Dell SupportAssist OS Recovery is a stand-alone tool that is preinstalled in Dell computers running the Windows operating system.
Page 147: Real-Time Clock (Rtc Reset)
It enables you to diagnose hardware issues, repair your computer, back up your files, and restore your computer to its factory state. You can also download it from the Dell Support website to troubleshoot and fix your computer when it fails to boot into the primary operating system due to software or hardware failures.
Page 148 NOTE: For more information about performing a hard reset, go to Dell Support Site. On the menu bar at the top of the Support page, select Support > Support Library. In the Search field on the Support Library page, type the keyword, topic, or model number, and then click or tap the search icon to view the related articles.
Page 149: Chapter 11: 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 49. Self-help resources Self-help resources Resource location Information about Dell products and services Dell Site Tips Contact Support In Windows search, type Contact Support, and press Enter.

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