Page 1 Dell Pro 14 Plus/Dell Pro 14 Plus 2-in-1 PB14255/PB14255 2-in-1 Owner's Manual Regulatory Model: P199G/P200G Regulatory Type: P199G004/P200G003 May 2025 Rev. A01...
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 Modes....................................12 Battery-charge status light............................. 13 Service Tag..................................13 Chapter 2: Set up your Dell Pro 14 Plus/Dell Pro 14 Plus 2-in-1............ 15 Chapter 3: Specifications of Dell Pro 14 Plus/Dell Pro 14 Plus 2-in-1..........17 Dimensions and weight..............................17 Processor..................................... 17 Chipset....................................18...
Page 4 After working inside your computer........................42 BitLocker..................................... 42 Recommended tools................................. 42 Screw list.....................................43 Major components of Dell Pro 14 Plus/Dell Pro 14 Plus 2-in-1................44 Chapter 5: Removing and installing Customer Replaceable Units (CRUs)........47 SIM-card tray (optional)..............................47 Removing the SIM-card tray (optional)......................... 47 Installing the SIM-card tray (optional)........................
Page 5 USH board................................... 74 Removing the USH board............................74 Installing the USH board ............................75 Smart card reader................................76 Removing the smart card reader ..........................76 Installing the smart card reader ..........................78 System board..................................79 Removing the system board............................. 79 Installing the system board ............................82 Wireless Local Area Network (WLAN) antenna modules..................
Page 6 Real-Time Clock (RTC Reset)............................162 Backup media and recovery options........................... 162 Network power cycle..............................162 Drain flea power (perform hard reset)........................162 LAN connectivity issue with Dell Pro Smart Docks and Thunderbolt Docks............ 163 Chapter 10: Getting help and contacting Dell................164 Contents...
Page 7 Views of Dell Pro 14 Plus/Dell Pro 14 Plus 2-in-1 Right Figure 1. Right view of Dell Pro 14 Plus/Dell Pro 14 Plus 2-in-1 1. Nano-SIM card slot (optional) Insert a nano-SIM card to connect to a mobile broadband network.
Page 8 Left Figure 2. Left view of Dell Pro 14 Plus/Dell Pro 14 Plus 2-in-1 1. HDMI 2.1 TMDS port Connect to a TV, external display or another HDMI-in enables device. Provides video and audio output. 2. USB 3.2 Gen 1 port Connect devices such as external storage devices and printers.
Page 9 Figure 3. Top view of Dell Pro 14 Plus/Dell Pro 14 Plus 2-in-1 1. Power button with optional fingerprint reader Press to turn on the computer if it is turned off, in sleep state, or in hibernate state. NOTE: When the computer is turned on, press the power button to put the computer into sleep state; press and hold the power button for 10 seconds to force shut-down the computer.
Page 10 Front Figure 4. Front view of Dell Pro 14 Plus/Dell Pro 14 Plus 2-in-1 1. Left microphone Provides digital sound input for audio recording and voice calls. 2. Infrared camera (optional) Enhances security when paired with Windows Hello face authentication.
Page 11 1. Speakers Provide audio output. 2. MyDell QR Code MyDell is your hub for content personalized to your Dell Pro 14 Plus/Dell Pro 14 Plus 2-in-1, including videos, articles, manuals, and easy access to support. 3. 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.
Page 12 Modes The following modes are supported only on Dell Pro 14 Plus 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/Dell Pro 14 Plus 2-in-1...
Page 13 Tent Figure 9. Tent mode Battery-charge status light The following table lists the battery-charge status light of your Dell Pro 14 Plus/Dell Pro 14 Plus 2-in-1. Table 1. Battery-charge status light behavior Power source LED behavior System power state Battery charge level...
Page 14 Figure 10. Service tag location Views of Dell Pro 14 Plus/Dell Pro 14 Plus 2-in-1...
Page 15 If connecting to a secured wireless network, enter the password for the wireless network access when prompted. ● If connected to the Internet, sign-in with an existing Microsoft account or create an account. If not connected to the Internet, create an offline account. Set up your Dell Pro 14 Plus/Dell Pro 14 Plus 2-in-1...
Page 16 Table 2. Locate Dell apps Resources Description Dell Optimizer is an application that is designed to enhance computer performance and productivity by optimizing settings for power, battery, display, collaboration touchpad, and presence detection. It also provides access to applications purchased with your new computer.
Page 17 Processor The following table lists the details of the processors that are supported in your Dell Pro 14 Plus/Dell Pro 14 Plus 2-in-1. Table 4. Processor (For computers shipped with AMD Ryzen AI 300 series) Description...
Page 18 Up to 16 (NPU) Performance TOPS TOPS Chipset The following table lists the details of the chipset that is supported by your Dell Pro 14 Plus/Dell Pro 14 Plus 2-in-1. Table 6. Chipset Description Values Chipset Integrated in the processor Processor ●...
Page 19 ● 32 GB: LPDDR5X, 7500 MT/s ● 64 GB: LPDDR5X, 7500 MT/s External ports and slots The following table lists the external ports and slots of your Dell Pro 14 Plus/Dell Pro 14 Plus 2-in-1. Table 8. External ports and slots Description...
Page 20 Non-DASH configuration Transfer rate 10/100/1000 Mbps Wireless module The following table lists the Wireless Local Area Network (WLAN) module that is supported on your Dell Pro 14 Plus/Dell Pro 14 Plus 2-in-1. Table 11. Wireless module specifications Description Values...
Page 21 Bluetooth wireless card Bluetooth 5.4 wireless card WWAN module The following table lists the Wireless Wide Area Network (WWAN) modules that are supported in your Dell Pro 14 Plus/Dell Pro 14 Plus 2-in-1. NOTE: The WWAN module is available only on certain configurations and in certain regions.
Page 22 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/Dell Pro 14 Plus 2-in-1. Table 13. Audio specifications Description Values Audio controller...
Page 23 M.2 2230 solid state drive PCIe Gen4 NVMe, up to 64 Gbps Up to 1 TB Keyboard The following table lists the keyboard specifications of your Dell Pro 14 Plus/Dell Pro 14 Plus 2-in-1. Table 15. Keyboard specifications Description Values Keyboard type ●...
Page 24 For more information, see Keyboard function keys. Keyboard function keys of Dell Pro 14 Plus/Dell Pro 14 Plus 2-in-1 NOTE: Keyboard characters may differ depending on the keyboard language configuration. Keys that are used for shortcuts remain the same across all language configurations.
Page 25 + PgDn (cursor down) Scroll down the document or page Camera (optional) The following table lists the camera specifications of your Dell Pro 14 Plus/Dell Pro 14 Plus 2-in-1 NOTE: These specifications are applicable only for computers shipped with a camera module.
Page 26 Site. ● Ubuntu, see Ubuntu Support Site. Fingerprint reader (optional) The following table lists the specifications of the optional fingerprint-reader of your Dell Pro 14 Plus/Dell Pro 14 Plus 2-in-1. Table 20. Fingerprint reader specifications Description Values Sensor technology Trans-capacitive sensing...
Page 27 Power adapter The following table lists the power adapter specifications of your Dell Pro 14 Plus/Dell Pro 14 Plus 2-in-1. Table 21. Power adapter specifications Description Option one Option two Option three Type 60 W Blackchin 65 W Pecos adapter,...
Page 28 Power adapter requirements (computers shipped with 3-cell, 55 Wh battery) This section contains the power adapter requirements for the Dell Pro 14 Plus/Dell Pro 14 Plus 2-in-1. 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 23.
Page 29 BIOS Setup screen by selecting Power > Battery Configuration > ExpressCharge, then clicking Apply Changes. Battery The following table lists the battery specifications of your Dell Pro 14 Plus/Dell Pro 14 Plus 2-in-1. Table 24. Battery specifications Description Option one...
Page 30 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 31 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/Dell Pro 14 Plus 2-in-1. Table 25. Display specifications Description...
Page 32 4.40 W 3.10 W 2.50 W (maximum) Hardware security The following table lists the hardware security of your Dell Pro 14 Plus/Dell Pro 14 Plus 2-in-1. Table 26. Hardware security Hardware security Noble Lock Trusted Platform Module (TPM) 2.0 discrete...
Page 33 Smart card reader Contactless smart card reader This section lists the contactless smart card reader specifications of your Dell Pro 14 Plus/Dell Pro 14 Plus 2-in-1. This module is only available in computers shipped with smart card readers. Table 28. Contactless smart card reader specifications ...
Page 34 Type 5 tag Read/Write NDEF Exchange NDEF RFID (Microsoft Smartcard Device) ISO14443A Read UUID and APDU Exchange (ISO7816) ISO14443B Read UUID and APDU Exchange (ISO7816) Sony FeliCa Read UUID only Specifications of Dell Pro 14 Plus/Dell Pro 14 Plus 2-in-1...
Page 35 Seos Essential + Prox 551PPGGANN iCLASS 2K 2000PGGMN iCLASS 2K 3000PGGMN MIFARE DESFire 3700CPGGAN iCLASS DP DESFire 1Y NXP/Mifare MIFARE DESFire 8K White PVC card MIFARE Classic 1K White PVC card Specifications of Dell Pro 14 Plus/Dell Pro 14 Plus 2-in-1...
Page 36 Tap and do - NFC Forum Type 2 Tag - NTAG203 Tap and do - NFC Forum Type 3 Tag - FeliCa Lite RC-S965 Tap and do - NFC Forum Type 3 Tag - FeliCa RC-S962 Specifications of Dell Pro 14 Plus/Dell Pro 14 Plus 2-in-1...
Page 37 Tap and do - ISO 15693 - Tag-it Plus HID I-code ISO card Contacted smart card reader The following table lists the contacted smart card reader specifications of your Dell Pro 14 Plus/Dell Pro 14 Plus 2-in-1. Table 32. Contacted smart card reader specifications Title...
Page 38 Device connects to Dell ControlVault for usage and processing Operating and storage environment This table lists the operating and storage specifications of your Dell Pro 14 Plus/Dell Pro 14 Plus 2-in-1. Airborne contaminant level: G1 as defined by ISA-S71.04-1985 Table 33. Computer environment ...
Page 39 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 40 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 41 received a static shock and immediately generates a "No POST/No Video" symptom with a beep code that is emitted for missing or nonfunctional memory. ● Intermittent – Intermittent failures represent approximately 80 percent of ESD-related failures. The high rate of intermittent failures means that most of the time when damage occurs, it is not immediately recognizable.
Page 42 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 43 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 44 Display cable for MIPI camera M1.6x1.4 Middle-board cable M1.6x1.4 Keyboard assembly M1.6x1.7 Major components of Dell Pro 14 Plus/Dell Pro 14 Plus 2-in-1 The following image shows the major components of Dell Pro 14 Plus/Dell Pro 14 Plus 2-in-1. Working inside your computer...
Page 45 Figure 14. Major components of Dell Pro 14 Plus/Dell Pro 14 Plus 2-in-1 1. Base cover 2. Heat sink 3. Fan 4. System board 5. Battery 6. Speakers 7. WLAN antenna Working inside your computer...
Page 46 19. Solid state drive (SSD) thermal shield 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 47 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 (optional) Removing the SIM-card tray (optional) Prerequisites...
Page 48 Figure 15. Removing the SIM-card tray Steps 1. Insert a SIM-ejector 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. NOTE: Remove the SIM card from the SIM-card tray if applicable.
Page 49 Figure 16. Installing the SIM-card tray Steps 1. Align the SIM-card tray with the slot on the computer and carefully slide it in. 2. Slide the SIM-card tray into the slot, until it clicks into place. Next steps 1. Follow the procedure in After working inside your computer.
Page 50 Figure 17. Removing the base cover Removing and installing Customer Replaceable Units (CRUs)
Page 51 Figure 18. Removing the base cover Steps 1. Loosen the six captive screws (M2x8.5) and two captive screws (M2x6) that secure the base cover to the palm-rest assembly. 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 52 Figure 19. Disconnecting the battery cable Installing the base cover Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. 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 53 Figure 20. Connecting the battery cable Figure 21. Installing the base cover Removing and installing Customer Replaceable Units (CRUs)
Page 54 Figure 22. 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 in the procedure. Steps 1. Connect the battery cable to the battery-cable connector (BATT1) on the system board. 2.
Page 55 ● If the battery gets stuck inside your computer due to 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 56 Figure 23. Removing the battery Steps 1. Disconnect the battery cable from the battery cable connector (PBATT1) on the system board. 2. Loosen the four captive screws (M2x5) that secure the battery to the palm-rest assembly. 3. Lift the battery off the palm-rest assembly. 4.
Page 57 Figure 24. Installing the battery Steps 1. If the battery cable was removed for replacing the battery, you must transfer the battery cable from the old battery to the replacement battery. For more information, see Installing the battery cable. 2. Using the alignment posts, place the battery on the palm-rest assembly. 3.
Page 58 Figure 25. Removing the battery cable Steps 1. Turn the battery over. 2. Remove the battery cable from the routing guides on the battery. 3. Disconnect the battery cable from the connector on the battery and lift the battery cable off the battery. Installing the battery cable Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.
Page 59 3. Install the SIM-card tray, if applicable. 4. Follow the procedure in After working inside your computer. Wireless Wide Area Network (WWAN) card Removing the 5G WWAN card NOTE: The 5G WWAN card is available only on certain configurations. It is connected to the computer with four antenna cables.
Page 60 Steps 1. Remove the three screws (M2x4) that secure the WWAN-card thermal shield to the I/O board. 2. Remove the WWAN-card thermal shield off the WWAN card. 3. Disconnect the antenna cables from the WWAN card. 4. Remove the WWAN card from the WWAN-card slot on the I/O board. Installing the 5G WWAN card Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.
Page 61 NOTE: If you are replacing the WWAN card, ensure that the thermal pad is in place. NOTE: If the thermal pad is damaged, peel the thermal pad from the system board and replace it with a new thermal pad. The thermal pad must be purchased separately. 2.
Page 62 Figure 29. Removing the 4G WWAN card Steps 1. Remove the three screws (M2x4) that secure the WWAN-card thermal shield to the I/O board. 2. Remove the WWAN-card thermal shield off the WWAN card. 3. Disconnect the antenna cables from the WWAN card. 4.
Page 63 Figure 30. Installing the 4G WWAN card Steps 1. Insert the WWAN card at an angle into the WWAN-card slot on the I/O board. NOTE: If you are replacing the WWAN card, ensure that the thermal pad is in place. NOTE: If the thermal pad is damaged, peel the thermal pad from the system board and replace it with a new thermal pad.
Page 64 Next steps 1. Install the base cover. 2. Install the SIM-card tray, if applicable. 3. Follow the procedure in After working inside your computer. Solid State Drive (SSD) Removing the M.2 2230 solid state drive Prerequisites 1. Follow the procedure in Before working inside your computer.
Page 65 NOTE: For models shipped with M.2 2230 SSD, ensure that you transfer the SSD mounting bracket from the old system board to the new one. Installing the M.2 2230 solid state drive 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 M.2 2230 solid state drive and provide a visual representation of the installation procedure.
Page 66 Removing the M.2 2280 solid state drive Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the SIM-card tray, if applicable. 3. Remove the base cover. About this task The following images indicate the location of the M.2 2280 solid state drive and provide a visual representation of the removal procedure.
Page 67 Figure 34. 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. Slide the M.2 2280 SSD into the M.2 2280 SSD slot. 3. Align and place the SSD thermal shield on the SSD. 4.
Page 68 Figure 35. Removing the speakers Steps 1. Disconnect the speaker cable from the connector on the I/O board. 2. Remove the six screws (M1.6x1.5) that secure the speakers to the palm-rest assembly. 3. Remove the speaker cable from the routing guides on the bottom side of the palm-rest assembly. 4.
Page 69 Figure 36. Installing the speakers Steps 1. Using the alignment posts, place the left and right speakers into their slots on the palm-rest assembly. NOTE: To properly position the speakers, secure the rubber grommets into the hooks. NOTE: Ensure that the rubber grommets are seated into the slot and installed on the speakers properly. Figure 37.
Page 70 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 these procedures be performed by trained technical repair specialists. CAUTION: Your warranty does not cover damages that may occur during FRU repairs that are not authorized by Dell Technologies.
Page 71 Figure 38. Removing the fan Steps 1. Disconnect the fan cable from the connector on the system board. 2. Remove the two screws (M2x4) that secure the fan to the palm-rest assembly. 3. Lift the fan off the palm-rest assembly. Installing the fan CAUTION: The information in this installation section is intended for authorized service technicians only.
Page 72 Figure 39. Installing the fan Steps 1. Align the screw holes on the fan with the screw holes on the palm-rest assembly. 2. Replace the two screws (M2x4) that secure the fan to the palm-rest assembly. 3. Connect the fan cable to the fan-cable connector on the system board. Next steps 1.
Page 73 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 40.
Page 74 Figure 41. Installing the heat sink Steps 1. Align the screw holes on the heat sink with the screw holes on the system board. 2. In the sequential order (1 > 2 > 3 > 4), tighten the four captive screws (M2x3) that secure the heat sink to the system board.
Page 75 Figure 42. Removing the USH board Steps 1. Open the latch and disconnect the smart card reader cable from the connector on the USH board. NOTE: This step applies only to computers shipped with smart card reader installed. 2. Open the latch and disconnect the NFC-sensor cable from the connector on the USH board. NOTE: This step applies only to computers shipped with NFC sensor installed.
Page 76 Figure 43. Installing the USH board Steps 1. Align and place the USH board on the palm-rest assembly. 2. Replace the two screws (M1.6x1.5) that secure the USH board to the palm-rest assembly. 3. Connect the USH-board cable to the connector on the system board and close the latch to secure the cable. 4.
Page 77 4. Remove the battery. About this task NOTE: This procedure applies only to computers shipped with a smart card reader installed. The following images indicate the location of the smart card reader and provide a visual representation of the removal procedure.
Page 78 Installing the smart card reader 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 NOTE: If the rubber grommets are pushed out when removing the speaker, push them back in before replacing the speaker. The following images indicate the location of the smart card reader and provide a visual representation of the installation procedure.
Page 79 4. Using the alignment posts and rubber grommets, place the speaker into the slot on the palm-rest assembly. NOTE: Ensure that the rubber grommets on the speaker are threaded through the alignment posts. Ensure that the rubber grommets are seated into the slot and installed on the speaker properly. 5.
Page 80 Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the SIM-card tray, if applicable. 3. Remove the base cover. 4. Remove the battery. 5. Remove the M.2 2230 solid state drive M.2 2280 solid state drive, as applicable. 6.
Page 81 Figure 47. Removing the system board Removing and installing Field Replaceable Units (FRUs)
Page 82 Steps 1. Remove the screw (M2x3) that secures the WLAN bracket to the palm-rest assembly. 2. Remove the WLAN bracket off the palm-rest assembly. 3. Disconnect the WLAN antenna cables from the WLAN module on the system board. 4. Remove the two screws (M2x3) that secure the display-cable bracket to the palm-rest assembly. 5.
Page 83 About this task The following image indicates the location of the system board and provides a visual representation of the installation procedure. Figure 49. Installing the system board Removing and installing Field Replaceable Units (FRUs)
Page 84 Figure 50. Installing the system board Steps 1. Align and place the system board on its slot on the palm-rest assembly. 2. For laptops shipped with WWAN configuration, replace the four screws (M2x3) and three screws (M2x4) that secure the system board to the palm-rest assembly.
Page 85 Wireless Local Area Network (WLAN) antenna modules Removing the WLAN antenna modules 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.
Page 86 Figure 52. Removing the WLAN antenna modules Steps 1. Remove the WWAN antenna cables from the routing guides on the I/O board. 2. Remove the screw (M2x3) that secures the fingerprint-reader bracket to the palm-rest assembly. 3. Lift the fingerprint-reader bracket off the palm-rest assembly. 4.
Page 87 Figure 53. Installing the WLAN antenna modules Figure 54. Installing the WLAN antenna modules Steps 1. Align and place the WLAN antenna modules on to its slot on the palm-rest assembly. Removing and installing Field Replaceable Units (FRUs)
Page 88 2. Replace the four screws (M1.6x2.5) that secure the WLAN antenna modules to the palm-rest assembly. 3. Route the WLAN antenna cables through the routing guides on the palm-rest assembly. 4. Adhere the tape that secures the antanna cable to the palm-rest assembly. 5.
Page 89 Figure 55. Removing the USB Type-C connector module Steps 1. Turn the system board over. 2. Remove the three screws (M2x5) that secure the USB Type-C connector module to the system board. 3. Remove the USB Type-C connector module off the system board. Installing the USB Type-C connector module CAUTION: The information in this installation section is intended for authorized service technicians only.
Page 90 Figure 56. Installing the USB Type-C connector module Steps 1. Place the USB Type-C connector module onto the slot on the bottom side of the system board. 2. Replace the three screws (M2x5) that secure the USB Type-C connector module to the bottom side of the system board. 3.
Page 91 6. Remove the M.2 2230 solid state drive M.2 2280 solid state drive, as applicable. 7. Remove the system board. NOTE: The system board can be removed and installed with the heat sink attached in order to simplify the procedure and preserve the thermal bond between the system board and heat sink.
Page 92 4. Disconnect the Darwin cable from the connector on the I/O board. 5. Disconnect the speaker cable from the connector on the I/O board. 6. Remove the three screws (M2x3) that secure the I/O board to the palm-rest assembly. 7. Carefully slide and remove the I/O board at angle from the palm-rest assembly. NOTE: When replacing the I/O board, the WWAN-card thermal pad and Mylar tape must be transferred to the replacement I/O board.
Page 93 2. Replace the three screws (M2x3) that secure the I/O board to the palm-rest assembly. 3. Connect the fingerprint-reader cable to the connector on the I/O board. 4. Connect the Darwin cable to the connector on the I/O board. 5. Connect the speaker cable to the connector on the I/O board. 6.
Page 94 Figure 59. Remove the power button with optional fingerprint reader Steps 1. Remove the two screws (M1.6x1.7) that secure the power button to the palm-rest assembly. 2. Lift the power button off the palm-rest assembly. Installing the power button with optional fingerprint reader CAUTION: The information in this installation section is intended for authorized service technicians only.
Page 95 Figure 60. Installing the power button with optional fingerprint reader Steps 1. Align and place the power button on to its slot on the palm-rest assembly. 2. Replace the two screws (M1.6x1.7) that secure the power button to the palm-rest assembly. Next steps 1.
Page 96 About this task The following images indicate the location of the display assembly and provide a visual representation of the removal procedure. Figure 61. Removing the display assembly Removing and installing Field Replaceable Units (FRUs)
Page 97 NOTE: For Dell Pro 14 Plus 2-in-1, the display assembly is a Hinge-Up Design (HUD) and cannot be further disassembled once it has been removed from the computer. If any component within the display assembly is faulty, replace the entire display assembly.
Page 98 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. Figure 63. Aligning the display assembly with the palm-rest assembly Removing and installing Field Replaceable Units (FRUs)
Page 99 Figure 64. Installing the display assembly Steps 1. Place the palm-rest assembly on the edge of a clean, flat surface. 2. At an angle of 90 degrees, align and place the display assembly over the palm-rest assembly. 3. Replace the four screws (M2.5x4) that secure the left and right display hinges to the palm-rest assembly. 4.
Page 100 NOTE: This procedure applies only to Dell Pro 14 Plus laptops. Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the SIM-card tray, if applicable. 3. Remove the base cover. 4. Remove the 5G WWAN card 4G WWAN card, as applicable.
Page 101 Figure 66. Prying the bezel along the hinges Removing and installing Field Replaceable Units (FRUs)
Page 102 Figure 67. Prying the bezel along the hinges Removing and installing Field Replaceable Units (FRUs)
Page 103 Figure 68. Prying the bezel along the sides Removing and installing Field Replaceable Units (FRUs)
Page 104 Figure 69. 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. 2.
Page 105 About this task The following images indicate the location of the display bezel and provide a visual representation of the installation procedure. Figure 70. Installing the display bezel Removing and installing Field Replaceable Units (FRUs)
Page 106 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. NOTE: This procedure applies only to Dell Pro 14 Plus laptops. Removing and installing Field Replaceable Units (FRUs)
Page 107 Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the SIM-card tray, if applicable. 3. Remove the base cover. 4. Remove the 5G WWAN card 4G WWAN card, as applicable. 5. Remove the display assembly. 6. Remove the display bezel.
Page 108 Figure 73. Removing the display panel Steps 1. Remove the four screws (M1.6x1.4) that secure the display panel and bracket assembly to the display back cover. 2. Gently flip the display panel and peel the tape securing the display cable to the back of the display panel. 3.
Page 109 Figure 74. Display panel with brackets Installing the display panel 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 display panel and display cable and provide a visual representation of the installation procedure.
Page 110 Figure 75. Installing the display panel Removing and installing Field Replaceable Units (FRUs)
Page 111 Figure 76. Installing the display panel Steps 1. Align and place the display panel and display assembly on a clean and flat surface. 2. Connect the display cable to the connector on the back of the display panel. 3. Adhere the tape to secure the display cable to the connector on the display panel. 4.
Page 112 Removing the display hinge caps CAUTION: The information in this removal section is intended for authorized service technicians only. NOTE: This procedure applies only to Dell Pro 14 Plus laptops. Prerequisites 1. Follow the procedure in Before working inside your computer.
Page 113 Figure 77. Removing the display hinges Steps 1. Using a plastic scribe, pry the hinge rubber out of the left and right hinge caps. CAUTION: Do not pull the display cable, Darwin cable, or the WWAN-antenna cables out of the hinge caps directly.
Page 114 About this task The following images indicate the location of the display hinge caps and provide a visual representation of the installation procedure. Figure 78. Installing the hinge caps Steps 1. Align and place the display hinge caps on the display back cover. 2.
Page 115 Removing the RGB/IR camera CAUTION: The information in this removal section is intended for authorized service technicians only. NOTE: This procedure applies only to Dell Pro 14 Plus laptops. Prerequisites 1. Follow the procedure in Before working inside your computer.
Page 116 Figure 80. Removing the RGB camera Steps 1. Disconnect the display and camera cable from the connector on the camera. 2. 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 117 Figure 81. Installing the IR camera Figure 82. Installing the RGB camera Steps 1. Align and place the RGB/IR camera on the display back cover. 2. Connect the display and camera cable to the connector on the camera. Next steps 1.
Page 118 Removing the MIPI camera CAUTION: The information in this removal section is intended for authorized service technicians only. NOTE: This procedure applies only to Dell Pro 14 Plus laptops. Prerequisites 1. Follow the procedure in Before working inside your computer.
Page 119 Steps 1. Remove the clip that secures the MIPI camera and the camera cable to the connector on the display back cover. 2. Using a plastic scribe, pry the camera module off the display back cover. 3. Carefully lift the MIPI camera module off the display back cover. Installing the MIPI camera CAUTION: The information in this installation section is intended for authorized service technicians only.
Page 120 Removing the display cable for RGB/IR camera CAUTION: The information in this removal section is intended for authorized service technicians only. NOTE: This procedure applies only to Dell Pro 14 Plus laptops. Prerequisites 1. Follow the procedure in Before working inside your computer.
Page 121 Figure 86. Removing the display cable for RGB/IR camera Steps 1. Using a plastic scribe, pry the hinge rubber out of the left hinge cap. 2. Remove the screw (M2x3) and two screws (M2.5x3.5) that secure the left display hinge cap and hinge assembly to the display back cover.
Page 122 Figure 87. Installing the display cable for RGB/IR camera Figure 88. Installing the display cable for RGB/IR camera Steps 1. Adhere the display cable to the display back cover. Removing and installing Field Replaceable Units (FRUs)
Page 123 Removing the display cable for MIPI camera CAUTION: The information in this removal section is intended for authorized service technicians only. NOTE: This procedure applies only to Dell Pro 14 Plus laptops. Prerequisites 1. Follow the procedure in Before working inside your computer.
Page 124 Figure 89. Removing the display cable for MIPI camera from middle board Steps 1. Place the MIPI camera module on a clean, flat surface. 2. Turn the middle board over. 3. Remove the two screws (M1.6x1.4) that secure the display cable with the middle board. 4.
Page 125 Removing the middle-board cable CAUTION: The information in this removal section is intended for authorized service technicians only. NOTE: This procedure applies only to Dell Pro 14 Plus laptops. Prerequisites 1. Follow the procedure in Before working inside your computer.
Page 126 3. Remove the base cover. 4. Remove the 5G WWAN card 4G WWAN card, as applicable. 5. Remove the display assembly. 6. Remove the display bezel. 7. Remove the display panel. 8. Remove the display hinge caps. 9. Remove the MIPI camera.
Page 127 Figure 92. Installing the middle-board cable Steps 1. Place the MIPI camera module on a clean, flat surface. 2. Turn the middle board over. 3. Connect the middle-board cable to the connector on the middle board. 4. Replace the two screws (M1.6x1.4) that secure the middle-board cable to the middle board. Next steps 1.
Page 128 5. Remove the display assembly. 6. Remove the display bezel. 7. Remove the display panel. 8. Remove the display hinge caps. 9. Remove the MIPI camera. 10. Remove the display cable for MIPI camera. 11. Remove the middle-board cable. About this task The following images indicate the location of the middle board and provide a visual representation of the removal procedure.
Page 129 Figure 94. Middle board Steps Place the middle board on a clean flat surface and perform the post-requisites to install it to the display backcover. Next steps 1. Install the middle-board cable. 2. Install the display cable for MIPI camera. 3.
Page 130 About this task NOTE: The display back-cover and antenna assembly cannot be further disassembled once all the Prerequisites are completed. If the wireless antennas are malfunctioning and are required to be replaced, replace the entire display backcover and antenna assembly. The following image indicates the display back-cover and antenna assembly and provide a visual representation of the removal procedure.
Page 131 Figure 96. Display back-cover and antenna assembly Steps Place the display back-cover and antenna assembly on a flat surface and perform the post-requisites to install the display back-cover and antenna assembly. Next steps 1. Install the display cable for RGB/IR camera or the display cable for MIPI camera, as applicable.
Page 132 Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the SIM-card tray, if applicable. 3. Remove the base cover. 4. Remove the battery. 5. Remove the 5G WWAN card 4G WWAN card, as applicable. 6. Remove the M.2 2230 solid state drive M.2 2280 solid state drive, as applicable.
Page 133 Figure 98. Removing the keyboard Steps 1. Remove the WLAN antenna cables from the routing guides on the keyboard bracket. 2. Disconnect the keyboard cable and keyboard backlight cable (for models that are shipped with the keyboard backlight) from the connectors on the touchpad. 3.
Page 134 Figure 99. Installing the keyboard Figure 100. Installing the keyboard Removing and installing Field Replaceable Units (FRUs)
Page 135 Steps 1. Align and place the keyboard on the keyboard bracket. 2. Replace the two screws (M1.6x1.7) that secure the keyboard to the keyboard bracket from the top side. 3. Align and place the keyboard assembly on to the palm-rest assembly. NOTE: Ensure that the WLAN antenna cables are not stuck under the keyboard.
Page 136 About this task The following images indicate the location of the palm-rest assembly and provide a visual representation of the removal procedure. Figure 101. Palm-rest assembly NOTE: When replacing the palm-rest assembly for models shipped with WLAN card, use a plastic scribe to pry off the SIM-card slot filler from the palm-rest assembly and then transfer it over to the replacement palm-rest assembly.
Page 137 Steps Place the palm-rest assembly on a clean and flat surface and perform the post-requisites to install the palm-rest assembly. NOTE: Touchpad is pre-assembled with the palm-rest assembly. Next steps 1. Install the keyboard. 2. Install the display assembly. 3. Install the power button with fingerprint reader.
Page 138 NOTE: Ubuntu is supported only on Dell Pro 14 Plus. NOTE: If you downgrade your computer from Windows 11 to Windows 10 22H2, Dell Technologies support follows the Microsoft Windows 10 End of Support plan. NOTE: Windows 10 Home and Windows 10 Pro is supported only on computers shipped with AMD Ryzen 200 series processors.
Page 139 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 140 Depending on your computer and its installed devices, the items that are listed in this section may or may not be displayed. Table 38. BIOS Setup options—Overview menu Overview Dell Pro 14 Plus PB14255 BIOS Version Displays the BIOS version number. Service Tag Displays the Service Tag of the computer.
Page 141 Table 38. 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. Battery Information Primary Displays the primary battery of the computer. Battery Level Displays the battery level of the computer.
Page 142 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 143 Table 39. BIOS Setup options—Boot Configuration menu (continued) Boot Configuration For additional security, Dell Technologies recommends keeping the Enable Microsoft UEFI CA option enabled to ensure the broadest compatibility with devices and operating systems. Expert Key Management Enable Custom Mode Enables or disables the ability to modify the keys in the PK, KEK, db, and dbx security key databases to be modified.
Page 144 Table 40. BIOS Setup options—Integrated Devices menu (continued) Integrated Devices Enable Thunderbolt Boot Support Enable Thunderbolt Boot Support Enables the Thunderbolt adapter-peripheral device and USB devices that are connected to the Thunderbolt adapter to be used during BIOS Preboot. By default, the Enable Thunderbolt Boot Support option is disabled. Enable Thunderbolt (and PCIe behind Enables the PCIe devices that are connected through a Thunderbolt adapter to TBT) pre-boot modules...
Page 145 Table 43. BIOS Setup options—Connection menu Connection Network Controller Configuration Integrated NIC This option controls the on-board LAN Controller. By default, the Enabled with PXE option is enabled. Wireless Device Enable WLAN Enables or disables the internal WLAN device. By default, the WLAN option enabled. WWAN/GPS Enables or disables the internal WWAN device.
Page 146 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. Lid Switch Enable Lid Switch Enables or disables the Lid Switch.
Page 147 Disabling the Key Storage Enable option restricts the ability of TPM to store owner's data. By default, the Key Storage Enable option is enabled. For additional security, Dell Technologies recommends keeping the Key Storage Enable option is enabled. NOTE: When disabled, this feature may cause compatibility issues or loss of functionality in some operating systems.
Page 148 SED. 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 149 Password prompt. ● The computer password is not prompted when the computer resumes from standby mode. Dell Technologies recommends using the computer password in situations where it is likely that a computer may be lost or stolen. M.2 PCIe SSD-0 The hard drive password can be set to prevent unauthorized access of the data stored on the solid-state drive.
Page 150 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 Changes...
Page 151 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 48. BIOS Setup options—System Management menu System Management Service Tag Displays the Service Tag of the computer.
Page 152 Table 48. BIOS Setup options—System Management menu (continued) System Management Wake on LAN Enables or disables the computer to turn on by a special LAN signal. By default, the Wake on LAN option is disabled. Auto On Time Enable to set the computer to turn on automatically every day or on a preselected date and time.
Page 153 This option is not available when the virtualization setting for IOMMU is disabled (VT-d/AMD Vi). By default, the Enable Pre-Boot DMA Support option is enabled. For additional security, Dell Technologies recommends keeping the Enable Pre- Boot DMA Support option is enabled. NOTE: This option is provided only for compatibility purposes, since some older hardware is not DMA capable.
Page 154 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 155 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 156 ● 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 157 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 158 ● 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 159 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 160 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 161 ● If this does not work, replace the system board, power supply or cabling. LCD Power Rail Failure 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. Troubleshooting...
Page 162 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 163 Thunderbolt Docks Issue Overview: When your computer is connected to a Dell Pro Smart Dock or Thunderbolt Dock, and the RJ45 ethernet cable is connected through the ethernet port on the dock, you may not receive LAN connectivity to your computer.
Page 164 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 58. 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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