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Dell Pro Rugged 14 RB14250 Owner's Manual

Dell Pro Rugged 14 RB14250 Owner's Manual

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Dell Pro Rugged 14
RB14250
Owner's Manual
Regulatory Model: P148G
Regulatory Type: P148G002
October 2024
Rev. A00

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  • Page 1 Dell Pro Rugged 14 RB14250 Owner's Manual Regulatory Model: P148G Regulatory Type: P148G002 October 2024 Rev. A00...
  • Page 2 A WARNING indicates a potential for property damage, personal injury, or death. © 2024 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

    Locate the Service Tag or Express Service Code label of your computer............14 Battery-charge status light............................. 15 Chapter 2: Set up your Dell Pro Rugged 14 RB14250..............16 Chapter 3: Specifications of Dell Pro Rugged 14 RB14250............18 Dimensions and weight..............................18 Processor.....................................
  • Page 4 After working inside your computer........................43 BitLocker..................................... 43 Recommended tools................................. 43 Screw list.....................................44 Major components of Dell Pro Rugged 14 RB14250....................47 Chapter 5: Removing and installing Customer Replaceable Units (CRUs)........50 Battery....................................50 Rechargeable Li-ion battery precautions......................50 Removing the batteries............................. 50 Installing the batteries..............................52...
  • Page 5 Removing the coin-cell battery..........................81 Installing the coin-cell battery..........................82 Fan......................................83 Removing the fan................................ 83 Installing the fan................................84 Global Positioning System (GPS) board ........................85 Removing the GPS board ............................85 Installing the GPS board ............................86 Rear I/O-board.................................. 88 Removing the rear I/O-board...........................88 Installing the rear I/O-board.............................89 RF switch board................................
  • Page 6 Clearing CMOS settings..............................187 Clearing BIOS (System Setup) and System passwords..................188 Chapter 10: Troubleshooting...................... 189 Handling swollen rechargeable Li-ion batteries......................189 Locating the Service Tag or Express Service Code of your Dell computer ............. 189 Dell SupportAssist Pre-boot System Performance Check diagnostics.............. 190 Contents...
  • Page 7 LCD Built-in Self-Test (BIST)..........................191 System-diagnostic lights .............................. 192 Recovering the operating system..........................192 Real-Time Clock (RTC Reset)............................193 Backup media and recovery options........................... 193 Wi-Fi power cycle................................193 Drain residual flea power (perform hard reset)......................193 Chapter 11: Getting help and contacting Dell................195 Contents...

  • Page 8: Chapter 1: Views Of Dell Pro Rugged 14 Rb14250

    Supports USB4, DisplayPort 1.4, Thunderbolt 4 and also enables you to connect to an external display using a display adapter. Supports 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: Left

    Supports USB4, DisplayPort 1.4, 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 10: Top

    When the computer is turned on, press the power button to put the computer into a sleep state; press and hold the power button for 10 s to force shut-down the computer. If the power button has a fingerprint reader, place your finger on the power button steadily to log in. Views of Dell Pro Rugged 14 RB14250...

  • Page 11: Front

    Slide the privacy shutter to cover the camera lens and protect your privacy when the camera is not in use. 3. Infrared emitter Emits infrared light, which enables the infrared camera to sense and track motion. 4. Infrared camera Enhances security when paired with Windows Hello face authentication. 5. Camera-status light Views of Dell Pro Rugged 14 RB14250...

  • Page 12: Back

    4. HDMI 2.1 TMDS port Connect to a TV, external display, or another HDMI-in enabled device. Provides video and audio output. 5. Security-cable slot (wedge-shaped) Connect a security cable to prevent unauthorized movement of your laptop. Views of Dell Pro Rugged 14 RB14250...

  • Page 13: Bottom

    Press to check the charge remaining in the battery. 5. Battery-charge status button Press to check the charge remaining in the battery. 6. Battery-status light Indicates the battery-charge status. Solid green-Battery is charging. Off-Battery is fully charged. Views of Dell Pro Rugged 14 RB14250...

  • Page 14: Locate The Service Tag Or Express Service Code Label Of Your Computer

    The service tag is a unique alphanumeric identifier that allows Dell service technicians to identify the hardware components in your computer and access warranty information. The Express Service Code is a numeric version of the Service Tag.

  • Page 15: Battery-Charge Status Light

    Battery-charge status light The following table lists the battery-charge status light of your Dell Pro Rugged 14 RB14250. Table 1. Battery charge and status light behavior  Power source LED behavior System power state Battery charge level AC adapter S0 or S5...

  • Page 16: Chapter 2: Set Up Your Dell Pro Rugged 14 Rb14250

    2. Finish the operating system setup. For Windows: Follow the on-screen instructions to complete the setup. When setting up, Dell Technologies recommends that you: ● Connect to a network for Windows updates. NOTE: If connecting to a secured wireless network, enter the password for the wireless network access when prompted.
  • Page 17 SupportAssist proactively checks the health of your computer hardware and software. When an issue is detected, the necessary computer state information is sent to Dell to begin troubleshooting. SupportAssist is preinstalled on most of the Dell devices running the Windows operating system. For...

  • Page 18: Chapter 3: Specifications Of Dell Pro Rugged 14 Rb14250

    NOTE: The weight of your computer depends on the configuration that is offered. Processor The following table lists the details of the processors that are supported in your Dell Pro Rugged 14 RB14250. Table 4. Processor  Description Option one Option two...

  • Page 19: Chipset

    Chipset The following table lists the details of the chipset that is supported in your Dell Pro Rugged 14 RB14250. Table 5. Chipset  Description Values Chipset Integrated in the processor Processor Intel Core Ultra 5/7 DRAM bus width 64-bit Flash EPROM...

  • Page 20: External Ports And Slots

    External ports and slots The following table lists the external ports of your Dell Pro Rugged 14 RB14250. Table 7. External ports and slots  Description Values Network port One RJ45 Ethernet port 1 Gbps USB ports ● One USB 3.2 Gen 1 (5 Gbps) port ●...

  • Page 21: Ethernet

    Ethernet The following table lists the wired Ethernet Local Area Network (LAN) specifications of your Dell Pro Rugged 14 RB14250. Table 9. Ethernet specifications  Description Values Model Intel i219LM Transfer rate 10/100/1000 Mbps Wireless module The following table lists the Wireless Local Area Network (WLAN) modules that are supported on your Dell Pro Rugged 14 RB14250.

  • Page 22: Optional Gps Module

    Knowledge Base Resource at Dell Support Site. Optional GPS module The following table lists the u-blox NEO-M9N module that is supported on your Dell Pro Rugged 14. Table 12. u-blox NEO-M9N module specifications  u-blox NEO-M9N module Interface...

  • Page 23: Audio

    Power supply voltage 2.7 V (minimum) 3.6 V (maximum) Operating temperature -40°C to 85°C (-40°F to 185°F) Audio The following table lists the audio specifications of your Dell Pro Rugged 14 RB14250. Table 13. Audio specifications  Description Values Audio controller Realtek ALC3254...

  • Page 24: Media-Card Reader

    M.2 2280 solid state drive Gen4 PCIe x4, Class 40, Self-Encrypting 2 TB Drive Media-card reader The following table provides the specification of media cards supported by your Dell Pro Rugged 14 RB14250. Table 15. Media-card reader specifications  Description Values Media-card slot type...

  • Page 25: Keyboard Shortcuts Of Dell Pro Rugged 14 Rb14250

    Knowledge Base Resource at the Dell Support site. Keyboard shortcuts of Dell Pro Rugged 14 RB14250 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 26: Camera

    Copilot in Windows and Recall, search in the Knowledge Base Resource at the Dell Support Site. Camera The following table lists the camera specifications of your Dell Pro Rugged 14 RB14250. Table 19. Camera specifications  Description Values Number of cameras Camera type ●...

  • Page 27: Touchpad

    ● 640 x 360 Diagonal viewing angle: Camera ● 87 degrees Infrared camera ● 87.60 degrees Touchpad The following table lists the touchpad specifications of your Dell Pro Rugged 14 RB14250. Table 20. Touchpad specifications  Description Values Touchpad resolution: Horizontal >= 300 dpi Vertical >= 300 dpi...

  • Page 28: Power Requirements

    Operating and storage temperature ranges may differ among components, so operating or storing the device outside these ranges may impact the performance of specific components. CAUTION: Dell Technologies recommends that you charge the battery regularly for optimal power consumption. Power requirements NOTE: The information in this section is applicable to the European Union (EU) countries.

  • Page 29: Power Adapter

    The information in this section is applicable only to computers shipped with integrated graphics. 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 30: Power Adapter Requirements (For Computers Shipped With Discrete Graphics)

    The information in this section is applicable only to computers shipped with discrete graphics. 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 24.

  • Page 31: Display

    NOTE: Ensure that the computer is connected to a 100 W power adapter to achieve ExpressCharge . Display The following table lists the display specifications of your Dell Pro Rugged 14 RB14250. Table 25. Display specifications  Description Option one Option two...

  • Page 32: Fingerprint Reader (Optional)

    Supported external displays with Output Mode computer internal display on Intel Graphics Integrated GPU—Discrete The following table lists the specifications of the discrete Graphics Processing Unit (GPU) supported by your Dell Pro Rugged 14 RB14250. Table 30. GPU—Discrete  Controller Memory size Memory type...

  • Page 33: Multiple Display Support Matrix

    Battery Removal Detection Smart-card reader Contactless smart-card reader This section lists the contactless smart-card reader specifications of your Dell Pro Rugged 14 RB14250. This module is only available in computers shipped with Smart-card readers. Table 33. Contactless smart-card reader specifications ...
  • Page 34 Card Type Supported Functionality NFC Forum (Microsoft Proximity Type 1 tag Read/Write NDEF Device) Type 2 tag Read/Write NDEF Type 3 tag Read/Write NDEF Type 4 tag Read/Write NDEF Type 5 tag Read/Write NDEF Specifications of Dell Pro Rugged 14 RB14250...
  • Page 35 Seos IY SEOS JMC4 J1Y 5806VNG1NNN4 SEOS Key FOB 5266PNNA SEOS Clamshell 5656PMSAV SEOS + Prox 5106RGGMNN Table 36. Qualified cards -2  Manufacturer Card Supported SEOS + DESFire 5906PNG1ANN7 SEOS iClass 5006PGGMN7 Specifications of Dell Pro Rugged 14 RB14250...
  • Page 36 TOP DL GX4 144K card Sony Felica RC-S962 Felica RC-S965 Felica RC-S966 PIVKey C910 PKI NIST PIV1 IDENTIV PIV programmed cards uTrust Transport cards Oyster (London) MIFARE DESFire T-Money (Korea) Octopus Card (Hong Kong) SUICA (Japan) Specifications of Dell Pro Rugged 14 RB14250...

  • Page 37: Contacted Smart-Card Reader

    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 Rugged 14 RB14250. Table 39. Contacted smart-card reader specifications  Title Description...

  • Page 38: Operating And Storage Environment

    The 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 Rugged 14 RB14250. Airborne contaminant level: G1 as defined by ISA-S71.04-1985 Table 40. Computer environment ...
  • Page 39 ● Look away from your display, and gaze at a distant object at 20 ft (609.60 cm) away for at least 20 seconds during each break. ● Take an extended break for 20 minutes every two hours. Specifications of Dell Pro Rugged 14 RB14250...

  • Page 40: 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 is shipped with the product or at Dell Regulatory Compliance Home Page.

  • Page 41: Safety Precautions

    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 42: Esd Field Service Kit

    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 43: 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 44: Screw List

    Figure 10. Torx T8 screw ● 5.5 mm socket wrench Figure 11. 5.5 mm Socket screw ● 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.
  • Page 45 Table 41. Screw list (continued) Component Screw type Quantity Screw image M.2 2230 solid state drive M2x2 M2x5 M.2 2280 solid state drive M2x5 Handle M3.5x9 Keyboard M2.5x4 (rubberized sealed) M2.5x4 (standard) M2x3.5 Base cover M2.5x7 M2.5x4 M2.5x6.5 (captive screws) RF switch board M2.5x5 WLAN card M2x3.5...
  • Page 46 Table 41. Screw list (continued) Component Screw type Quantity Screw image Rear I/O-board M2.5x5 System board M2.5x5 M2x3.5 #4-40x6.5 Right Type-C board M2x3.5 Left Type-C board M2x3.5 Display assembly M3x7, T8 M2.5x7 M2.5x5 Display-panel assembly M2.5x6, T8 M2.5x6, T8 Right Type-C port latch-door M2x3.5 M2x3 Left Type-C port latch-door...

  • Page 47: Major Components Of Dell Pro Rugged 14 Rb14250

    M2x3 Serial port latch-door M2x3 Left USB port latch-door M2x3 Left audio port latch-door M2x3 Major components of Dell Pro Rugged 14 RB14250 The following image shows the major components of Dell Pro Rugged 14 RB14250. Working inside your computer...
  • Page 48 Figure 12. Exploded view Working inside your computer...
  • Page 49 21. WWAN module 22. Battery 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 50: Chapter 5: Removing And Installing Customer Replaceable Units (Crus)

    ● 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 51 Figure 13. Removing the right-side battery Figure 14. Removing the left-side battery Steps 1. Slide the battery release latch to the unlocked position. 2. Slide the latch down to unlock the battery. 3. Lift the battery from the battery bay and remove it from the computer. Removing and installing Customer Replaceable Units (CRUs)

  • Page 52: Installing The Batteries

    If you are replacing a component, remove the existing component before performing the installation procedure. About this task NOTE: Dell Pro Rugged 14 RB14250 can accommodate two swappable batteries (primary and optional). The removal procedure of the primary and optional batteries are identical. NOTE: BIOS displays a battery error when non-Dell Pro Rugged 14 RB14250 batteries are used.

  • Page 53: Stylus

    Figure 16. Installing the right-side battery Steps 1. Align the pins on the battery with the connector on the computer. NOTE: Ensure that the metal pin of the battery is aligned in place. 2. Place the battery into the battery bay until it clicks into place. 3.

  • Page 54: Installing The Stylus

    Figure 17. Removing the stylus Steps 1. Slide the stylus out using the groove on the stylus pen. NOTE: Avoid pulling the stylus with the stretchable thread. 2. Loosen the knot and slip the stylus through the hole to remove the tether from the computer chassis. Installing the stylus Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.
  • Page 55 Figure 18. Installing the stylus Steps 1. Slip the stylus through the hole to create a knot that holds the tether to the computer chassis. 2. Insert the stylus into the slot on the computer. NOTE: When not in use, avoid suspending the stylus that is detached from its groove. Next steps 1.

  • Page 56: 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 57: Installing The Handle

    Figure 19. Removing the handle Steps 1. Remove the two (M3.5x9) screws that secure the handle to the computer. 2. Remove the handle from the computer. Installing the handle CAUTION: The information in this installation section is intended for authorized service technicians only. Prerequisites NOTE: The handle screw is part of the handle assembly and cannot be ordered separately.

  • Page 58: Keyboard

    Figure 20. Installing the handle Steps 1. Align the screw holes on the handle with the screw holes on the computer. 2. Replace the two (M3.5x9) screws to secure the handle to the computer. Next steps 1. Follow the procedure in after working inside your computer.
  • Page 59 Figure 21. Removing the keyboard (standard) Figure 22. Removing the keyboard (standard) Removing and installing Field Replaceable Units (FRUs)
  • Page 60 Figure 23. Removing the keyboard (standard) Removing and installing Field Replaceable Units (FRUs)

  • Page 61: Installing The Keyboard (Standard)

    Figure 24. Removing the keyboard (standard) Steps 1. Remove the six (M2.5x4) screws that secure the keyboard to the computer chassis. 2. Pry the keyboard from the front and then rotate it counterclockwise until the keyboard-cable cover is visible. 3. Flip the keyboard and incline it over the touchpad. 4.
  • Page 62 About this task The following images indicate the location of the keyboard and provide a visual representation of the installation procedure. Figure 25. Installing the keyboard (standard) Removing and installing Field Replaceable Units (FRUs)
  • Page 63 Figure 26. Installing the keyboard (standard) Removing and installing Field Replaceable Units (FRUs)
  • Page 64 Figure 27. Installing the keyboard (standard) Figure 28. Installing the keyboard (standard) Steps 1. Place the keyboard on the computer chassis. 2. Connect the keyboard and backlight flexible printed cables to the connectors on the system board. NOTE: Adhere the keyboard and backlight flexible printed cable with kapton tapes to the connectors. 3.

  • Page 65: Removing The Keyboard (Rubberized)

    Removing the keyboard (rubberized) 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 batteries. About this task The following images indicate the location of the keyboard and provide a visual representation of the removal procedure. Figure 29.
  • Page 66 Figure 30. Removing the keyboard (rubberized) Figure 31. Removing the keyboard (rubberized) Removing and installing Field Replaceable Units (FRUs)

  • Page 67: Installing The Keyboard (Rubberized)

    Figure 32. Removing the keyboard (rubberized) Steps 1. Remove the six (M2.5x4) screws that secure the keyboard to the computer chassis. 2. Pry the keyboard from the front and then rotate it counterclockwise until the keyboard-cable cover is visible. 3. Flip the keyboard and incline it over the touchpad. 4.
  • Page 68 About this task The following images indicate the location of the keyboard and provide a visual representation of the installation procedure. Figure 33. Installing the keyboard (rubberized) Removing and installing Field Replaceable Units (FRUs)
  • Page 69 Figure 34. Installing the keyboard (rubberized) Removing and installing Field Replaceable Units (FRUs)
  • Page 70 Figure 35. Installing the keyboard (rubberized) Figure 36. Installing the keyboard (rubberized) Steps 1. Place the keyboard on the computer chassis. 2. Connect the keyboard and backlight flexible printed cables to the connectors on the system board. NOTE: Adhere the keyboard and backlight flexible printed cable with kapton tapes to the connectors. 3.

  • Page 71: Solid State Drive Carrier

    Solid state drive carrier Removing the solid state drive carrier 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. About this task The following images indicate the location of the solid state drive carrier and provide a visual representation of the removal procedure.

  • Page 72: Installing The Solid State Drive Carrier

    3. Push the carrier latch to release the SSD carrier. 4. Pull the mylar tape to lift the SSD carrier off the computer. Installing the solid state drive carrier 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.

  • Page 73: M.2 Solid State Drive

    3. Place the SSD door on the SSD carrier. 4. Replace the (M2x4) screw on the SSD door latch cover. Next steps 1. Follow the procedure in after working inside your computer. M.2 solid state drive Removing the M.2 2230 solid state drive from the carrier CAUTION: The information in this removal section is intended for authorized service technicians only.

  • Page 74: Installing The M.2 2230 Solid State Drive Into The Carrier

    Figure 39. Removing the M.2 2230 solid state drive from the carrier Steps 1. Flip the SSD carrier and remove the (M2x5) screw that secures the SSD carrier cover to the SSD carrier. 2. Flip the SSD carrier and pull the mylar tape to lift the SSD carrier cover. 3.
  • Page 75 About this task The following image indicates the location of the solid state drive and provides a visual representation of the installation procedure. Figure 40. Installing the M.2 2230 solid state drive into the carrier Steps 1. Place the SSD extender on the SSD carrier. 2.

  • Page 76: Removing The M.2 2280 Solid State Drive From The Carrier

    Removing the M.2 2280 solid state drive from the carrier Prerequisites 1. Follow the procedure in before working inside your computer. 2. Remove the solid state drive carrier. About this task The following image indicates the location of the solid state drive and provides a visual representation of the removal procedure. Figure 41.
  • Page 77 Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following image indicates the location of the solid state drive and provides a visual representation of the installation procedure. Figure 42. Installing the M.2 2280 solid state drive into the carrier Steps 1.

  • Page 78: Base Cover

    Base cover Removing the base 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 batteries. 3. Remove the solid state drive carrier.

  • Page 79: Installing The Base Cover

    Figure 44. Removing the base cover Steps 1. Remove the two (M2.5x4) screws that secure the battery-cable cover to the computer chassis and lift it from the computer. 2. Disconnect the left and right battery cables from the connectors on the system board. 3.
  • Page 80 Figure 45. Installing the base cover Figure 46. Installing the base cover Removing and installing Field Replaceable Units (FRUs)

  • Page 81: Coin-Cell Battery

    Steps 1. Place the base cover on the computer chassis. 2. Replace the 22 (M2.5x7) and six (M2.5x4) screws that secure the base cover to the computer chassis. 3. Connect the left and right battery cables to the connectors on the system board. 4.

  • Page 82: Installing The Coin-Cell Battery

    Figure 47. Removing the coin-cell battery Steps 1. Disconnect the coin-cell battery cable from the system board. 2. Peel the coin-cell battery off the computer chassis. Installing the coin-cell battery 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.

  • Page 83: Fan

    Figure 48. Installing the coin-cell battery Steps 1. Adhere the coin-cell battery to the slot on the computer chassis. 2. Connect the coin-cell battery cable to the connector on the system board. Next steps 1. Install the base cover. 2. Install the solid state drive carrier.

  • Page 84: Installing The Fan

    Prerequisites 1. Follow the procedure in before working inside your computer. 2. Remove the batteries. 3. Remove the solid state drive carrier. 4. Remove the base cover. About this task The following image indicates the location of the fan and provides a visual representation of the removal procedure. Figure 49.

  • Page 85: Global Positioning System (Gps) Board

    Figure 50. Installing the fan Steps 1. Place the fan on the computer chassis. 2. Connect the fan cable connector clip to the chassis. 3. Connect the fan cable to its connector on the system board. 4. Replace the three captive screws that secure the fan to the computer chassis. Next steps 1.

  • Page 86: Installing The Gps Board

    Figure 51. Removing the GPS board Steps 1. Disconnect the GPS antenna cable on the GPS board. 2. Disconnect the GPS flat-printed cable from the connector on the GPS board. 3. Remove the two (M2.5x5) screws that secure the GPS board to the computer chassis. 4.
  • Page 87 Figure 52. Installing the GPS board Steps 1. Align the screw holes on the GPS board with the screw holes on the system board. 2. Replace the two (M2.5x5) screws that secure the GPS board with the computer chassis. 3. Connect the GPS flat-printed cable to the connector on the GPS board. 4.

  • Page 88: Rear I/O-Board

    Rear I/O-board Removing the rear 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 batteries. 3. Remove the solid state drive carrier.

  • Page 89: Installing The Rear I/O-Board

    Steps 1. Peel off the adhesive tape and unroute the cables from the routing channels on the computer chassis. 2. Disconnect the GPS antenna cable from the GPS board. 3. Disconnect the rear I/O flat printed cable and remove the two (M2.5x5) screws that secure the rear I/O-board to the system board.

  • Page 90: Rf Switch Board

    Steps 1. Align the screw holes on the rear I/O-board with the screw holes on the system board. 2. Replace the two (M2.5x5) screws to secure the rear I/O-board to the system board. 3. Connect the rear I/O flat printed cable on the rear I/O-board. NOTE: Adhere the rear I/O flat printed cable with kapton tapes to the connector.

  • Page 91: Installing The Rf Switch Board

    Figure 55. Removing the RF switch board Steps 1. Disconnect the WLAN, WWAN, and GPS antennas from the RF switch board. Table 42. Cable connectors on Dell Pro Rugged 14 RB14250  Cable number Antenna WWAN antenna WWAN antenna WWAN antenna...
  • Page 92 NOTE: Adhere the flexible printed cable with kapton tape to the connector. 4. Connect the WLAN, WWAN, and GPS antennas to the RF switch board. Table 43. Cable connectors on Dell Pro Rugged 14 RB14250  Cable number Antenna WWAN antenna...

  • Page 93: Wireless Local Area Network (Wlan) Card

    2. Install the solid state drive carrier. 3. Install the batteries. 4. Follow the procedure in after working inside your computer. Wireless Local Area Network (WLAN) card Removing the WLAN card CAUTION: The information in this removal section is intended for authorized service technicians only. Prerequisites 1.

  • Page 94: Installing The Wlan Card

    Figure 57. Removing the WLAN card Steps 1. Remove the (M2x3.5) screw that secures the WLAN card holder to the system board. 2. Remove the WLAN card holder. 3. Disconnect the antenna cables from the WLAN card. Table 44. Connectors on the wireless card  Antenna Cable Color Main (white triangle)
  • Page 95 Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following image indicates the location of the WLAN card and provides a visual representation of the installation procedure. Figure 58. Installing the WLAN card Steps 1.

  • Page 96: Wireless Wide Area Network (Wwan) Card

    Next steps 1. Install the RF switch board. 2. Install the base cover. 3. Install the solid state drive carrier. 4. Install the batteries. 5. Follow the procedure in after working inside your computer. Wireless Wide Area Network (WWAN) card Removing the WWAN card CAUTION: The information in this removal section is intended for authorized service technicians only.
  • Page 97 Figure 59. Removing the WWAN card Removing and installing Field Replaceable Units (FRUs)

  • Page 98: Installing The Wwan Card

    Figure 60. Removing the WWAN card Steps 1. Peel back the anti-static fabric tape slightly and remove the WWAN shield. 2. Remove the (M2x3.5) screw that secures the WWAN card holder to the system board. 3. Remove the WWAN card holder. 4.
  • Page 99 Figure 61. Installing the WWAN card Removing and installing Field Replaceable Units (FRUs)
  • Page 100 4. Place the WWAN shield and press the anti-static fabric tape back into place. NOTE: For instructions on how to find your computer's IMEI (International Mobile Station Equipment Identity) number, see the knowledge base article 000143678 Dell Support Site. Next steps 1. Install the board.

  • Page 101: Dock I/O-Module

    6. Install the batteries. 7. Follow the procedure in after working inside your computer. Dock I/O-module Removing the dock I/O-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 102: Installing The Dock I/O-Module

    Figure 63. Removing the dock I/O-module Steps 1. Unroute the antenna cables from the routing channels on the computer chassis. 2. Remove the two (M2x3.5) screws that secure the dock I/O-module to the system board. 3. Flip the dock I/O-module and disconnect the dock I/O flexible printed cable from the system board. 4.
  • Page 103 Figure 64. Installing the dock I/O-module Steps 1. Place the dock I/O-module and connect the dock I/O flexible printed cable to the system board. NOTE: Adhere the dock I/O flexible printed cable with kapton tapes to the connector. 2. Flip the dock I/O-module and replace the two (M2x3.5) screws that secure it to the system board. 3.

  • Page 104: Dock Wi-Fi Board

    Dock Wi-Fi board Removing the dock Wi-Fi 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 batteries. 3. Remove the solid state drive carrier.
  • Page 105 Figure 65. Removing the dock Wi-Fi board Steps 1. Disconnect the GPS, WWAN, and WLAN antennas from the dock I/O-module. Table 48. Connectors on the dock Wi-Fi board  Cable number Antenna GPS antenna WWAN antenna WLAN antenna 2. Unroute the antenna cables from the routing channels on the computer chassis. 3.

  • Page 106: Installing The Dock Wi-Fi Board

    Installing the dock Wi-Fi board 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 image indicates the location of the dock Wi-Fi board and provides a visual representation of the installation procedure.

  • Page 107: Heat Sink

    4. Connect the GPS, WWAN, and WLAN antennas to the dock I/O-module. Table 49. Connectors on the dockI/O-module (discrete graphics)  Cable number Antenna GPS antenna on dock Wi-Fi board WWAN antenna on dock Wi-Fi board WLAN antenna on dock Wi-Fi board Next steps 1.

  • Page 108: Installing The Heat Sink (For Computers Shipped With Integrated Graphics)

    Figure 67. Removing the heat sink (for computers shipped with integrated graphics Steps 1. Pull the antenna cable from the heat sink cable slot and remove the seven (captive) screws that secure the heat sink to the system board. 2. Lift the heat sink from the computer chassis. Installing the heat sink (for computers shipped with integrated graphics) CAUTION:...
  • Page 109 Figure 68. Installing the heat sink (for computers shipped with integrated graphics) Steps 1. Align the heat sink screw holes with the system board and place it on the computer chassis. 2. Route the antenna cable through the heat sink cable slot. 3.

  • Page 110: Removing The Heat Sink (For Computers Shipped With Discrete Graphics)

    Removing the heat sink (for computers shipped with discrete graphics) 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 batteries. 3. Remove the solid state drive carrier.

  • Page 111: Installing The Heat Sink (For Computers Shipped With Discrete Graphics)

    Steps 1. Remove the seven (captive) screws that secure the heat sink to the system board. 2. Disconnect the antenna cables from the heat sink cable slot. 3. Lift the heat sink from the computer chassis. Installing the heat sink (for computers shipped with discrete graphics) CAUTION: The information in this installation section is intended for authorized service technicians only.

  • Page 112: System Board

    Steps 1. Align the heat sink screw holes with the system board and place it on the computer chassis. 2. Route the antenna cables through the heat sink cable slot. 3. Replace the seven (captive) screws to secure the heat sink to the system board. Next steps 1.
  • Page 113 Figure 71. System board connectors 1. Power-button board cable connector 2. Wi-Fi I/O board connector 3. Rear I/O-board connector 4. WWAN card connector 5. WLAN card connector 6. eDP cable connector 7. Fan cable connector 8. Lid cable connector 9. Dock I/O flat printed cable connector 10.
  • Page 114 Figure 72. System board connectors 1. Left Type-C cable connector 2. Right Type-C cable connector 3. Backlight flat printed cable connector 4. Left Type-C flat printed cable connector 5. Right Type-C flat printed cable connector 6. Keyboard cable connector 7. Touchpad cable connector 8.
  • Page 115 Figure 73. Removing the system board Removing and installing Field Replaceable Units (FRUs)
  • Page 116 Figure 74. Removing the system board Removing and installing Field Replaceable Units (FRUs)
  • Page 117 Figure 75. Removing the system board Steps 1. Remove the two epoxy cap (4-40x6.5) screws that secure the serial RS-232 port to the computer chassis and then remove the serial RS-232 port from the computer chassis. NOTE: The epoxy screw locations require additional focus. These screws are difficult to remove, and damage might occur during the removal process.

  • Page 118: Installing The System Board

    6. Disconnect and remove the power button cable, fingerprint reader cable, Wi-Fi board cable from its connector on the system board. 7. Disconnect and remove the LAN flat printed cable from its connector on the system board. 8. Disconnect and remove the eDP cable from its connector on the system board. 9.
  • Page 119 5. WLAN card connector 6. eDP cable connector 7. Fan cable connector 8. Lid cable connector 9. Dock I/O flat printed cable connector 10. USH board connector 11. M.2 2230/2280 solid state drive connector 12. Right battery cable connector 13. Left battery cable connector 14.
  • Page 120 Figure 78. Installing the system board Removing and installing Field Replaceable Units (FRUs)
  • Page 121 Figure 79. Installing the system board Figure 80. Installing the system board Removing and installing Field Replaceable Units (FRUs)
  • Page 122 Figure 81. Installing the system board Steps 1. Connect the left I/O flat printed cable connector to the system board. CAUTION: Ensure the I/O flat printed cable is connected to the system board before proceeding to the next step. 2. Flip the system board and replace the eight (M2.5x5) screws that secure the system board to the computer chassis. 3.

  • Page 123: Memory Module

    Memory module Removing the memory 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 batteries. 3. Remove the solid state drive carrier.

  • Page 124: Installing The Memory Modules

    Figure 82. Removing the memory modules Steps NOTE: Remove the memory frame before removing the memory module. Follow the disassembly sequence 1 > 2 > 3 > 4 to remove the memory frame from the memory module slots. 2. Using your fingertips and spread apart the securing clips on the memory-module slot until the memory module pops up. 3.
  • Page 125 Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following image indicates the location of the memory modules and provides a visual representation of the installation procedure. Figure 83. Installing the memory modules Steps 1.

  • Page 126: Right Type-C Board

    NOTE: Align the upper right cut-out notch on the memory frame with the corresponding number (1) printed on the motherboard, then place the memory frame onto the memory module slot. Next steps 1. Install the system board. 2. Install the rear I/O-board.

  • Page 127: Installing The Right Type-C Board

    Figure 84. Removing the right Type-C board Steps 1. Remove the (M2x3.5) screw that secures the flat printed cable holder to the right Type-C board. 2. Disconnect the flat printed cable from its connector on the right Type-C board. 3. Disconnect the right Type-C cable from its connector on the right Type-C board. 4.
  • Page 128 About this task The following image indicates the location of the right Type-C board and provides a visual representation of the installation procedure. Figure 85. Installing the right Type-C board Steps 1. Place the right Type-C board on the computer chassis. 2.

  • Page 129: Left Type-C Board

    7. Install the RF switch board. 8. Install the rear I/O-board. 9. Install the board. 10. Install the base cover. 11. Install the keyboard (rubberized) keyboard (standard). 12. Install the solid state drive carrier. 13. Install the batteries. 14. Follow the procedure in after working inside your computer.

  • Page 130: Installing The Left Type-C Board

    Figure 86. Removing the left Type-C board Steps 1. Remove the (M2x3.5) screw that secures the flat printed cable holder to the left Type-C board. 2. Disconnect the flat printed cable from its connector on the left Type-C board. 3. Disconnect the left Type-C cable from its connector on the left Type-C board. 4.
  • Page 131 About this task The following image indicates the location of the left Type-C board and provides a visual representation of the installation procedure. Figure 87. Installing the left Type-C board Steps 1. Place the left Type-C board on the computer chassis. 2.

  • Page 132: Latch Doors

    7. Install the RF switch board. 8. Install the rear I/O-board. 9. Install the board. 10. Install the base cover. 11. Install the keyboard (rubberized) keyboard (standard). 12. Install the solid state drive carrier. 13. Install the batteries. 14. Follow the procedure in after working inside your computer.

  • Page 133: Installing The Right Type-C Port Latch-Door

    Installing the right Type-C port latch-door 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 image indicates the location of the right Type-C port latch-door and provides a visual representation of the installation procedure.

  • Page 134: Installing The Rear Ethernet Port Latch-Door

    3. Remove the solid state drive carrier. 4. Remove the base cover. About this task The following image indicates the location of the rear Ethernet port latch-door and provides a visual representation of the removal procedure. Figure 90. Removing the rear Ethernet port latch-door Steps 1.

  • Page 135: Removing The Rear Hdmi Port Latch-Door

    Figure 91. Installing the rear Ethernet port latch-door Steps 1. Align the rear Ethernet port latch-door with the screw hole on the computer chassis. 2. Replace the two (M2x3) screws that secure the rear Ethernet port latch-door to the computer chassis. Next steps 1.

  • Page 136: Installing The Rear Hdmi Port Latch-Door

    Figure 92. Removing the rear HDMI port latch-door Steps 1. Remove the (M2x3) screw that secures the rear HDMI port latch-door to the computer chassis. 2. Remove the rear HDMI port latch-door from the computer chassis. Installing the rear HDMI port latch-door CAUTION: The information in this installation section is intended for authorized service technicians only.

  • Page 137: Removing The Rear Serial Port Latch-Door

    Figure 93. Installing the rear HDMI port latch-door Steps 1. Align the rear HDMI port latch-door with the screw hole on the computer chassis. 2. Replace the (M2x3) screw that secures the rear HDMI port latch-door to the computer chassis. Next steps 1.

  • Page 138: Installing The Rear Serial Port Latch-Door

    Figure 94. Removing the rear serial port latch-door Steps 1. Remove the two (M2x3) screws that secure the rear serial port latch-door to the computer chassis. 2. Remove the rear serial port latch-door from the computer chassis. Installing the rear serial port latch-door CAUTION: The information in this installation section is intended for authorized service technicians only.

  • Page 139: Removing The Left Audio Port Latch-Door

    Figure 95. Installing the rear serial port latch-door Steps 1. Align the rear serial port latch-door with the screw hole on the computer chassis. 2. Replace the (M2x3) screw that secures the rear serial port latch-door to the computer chassis. Next steps 1.

  • Page 140: Installing The Left Audio Port Latch-Door

    Figure 96. Removing the left audio port latch-door Steps 1. Remove the two (M2x3) screws that secure the bracket on the left audio port latch-door. 2. Lift and remove the left audio port latch-door from the computer chassis. Installing the left audio port latch-door CAUTION: The information in this installation section is intended for authorized service technicians only.

  • Page 141: Removing The Left Usb Port Latch-Door

    Figure 97. Installing the left audio port latch-door Steps 1. Align the left audio port latch-door with the screw holes on the computer chassis. 2. Replace the two (M2x3) screws that secure the bracket on the left audio port latch-door. Next steps 1.

  • Page 142: Installing The Left Usb Port Latch-Door

    Figure 98. Removing the left USB port latch-door Steps 1. Remove the two (M2x3) screws that secure the bracket on the left USB port latch-door. 2. Remove the left USB port latch-door from the computer chassis. Installing the left USB port latch-door CAUTION: The information in this installation section is intended for authorized service technicians only.

  • Page 143: Removing The Left Type-C Port Latch-Door

    Figure 99. Installing the left USB port latch-door Steps 1. Align the left USB port latch-door with the screw holes on the computer chassis. 2. Replace the two (M2x3) screws that secure the bracket on the left USB port latch-door. Next steps 1.

  • Page 144: Installing The Left Type-C Port Latch-Door

    Figure 100. Removing the left Type-C port latch-door Steps 1. Remove the two (M2x3.5) screws that secure the bracket on the left Type-C port latch-door. 2. Remove the (M2x3) screw that secures the left Type-C port latch-door to the computer chassis. 3.

  • Page 145: Display Assembly

    Figure 101. Installing the left Type-C port latch-door Steps 1. Align the left Type-C port latch-door with the screw hole on the computer chassis. 2. Replace the (M2x3) screw that secures the left Type-C port latch-door to the computer chassis. 3.
  • Page 146 11. Remove the fan. 12. Remove the heat sink (UMA) heat sink (discrete). 13. Remove the system board. About this task The following images indicate the location of the display assembly and provide a visual representation of the removal procedure. Figure 102.

  • Page 147: Installing The Display Assembly

    Figure 103. Removing the display assembly Steps 1. Remove the two (M3x7, T8) epoxy screws and two (M2.5x5) screws that secure the hinge covers to the computer chassis and open the display. 2. Remove the two (M2.5x7) screws that secure the left/right hinge covers to the computer chassis. 3.
  • Page 148 Figure 104. Installing the display assembly Removing and installing Field Replaceable Units (FRUs)
  • Page 149 Figure 105. Installing the display assembly Steps 1. Align and place the display assembly on the computer chassis. 2. Replace the four (M3x7, T8) epoxy screws that secure the display assembly to the computer chassis and close the lid. NOTE: The epoxy screws are designed for single use.

  • Page 150: Display-Panel Assembly

    Display-panel assembly Removing the display-panel assembly Prerequisites 1. Follow the procedure in before working inside your computer. 2. Remove the display assembly. About this task The following image indicates the location of the display bezel and provides a visual representation of the removal procedure. Figure 106.

  • Page 151: Installing The Display-Panel Assembly

    Figure 107. Removing the display-panel assembly Steps 1. Remove the four (M2.5x6, T8) epoxy screws that secure the display-panel assembly to the display back-cover assembly. NOTE: These screws are coated with epoxy and are secured firmly, requiring more torque to remove them. To prevent damage to the screws and surrounding plastics, use the correct screwdriver for each screw type.
  • Page 152 Figure 108. Installing the display-panel assembly Removing and installing Field Replaceable Units (FRUs)
  • Page 153 Figure 109. Installing the display-panel assembly Steps 1. Connect the touch cable to its connector on the touch screen board. 2. Connect the eDP cable to its connector on the display-panel assembly and flip the display-panel assembly on the display back-cover assembly.

  • Page 154: Display Back-Cover Assembly

    Display back-cover assembly Removing the display back-cover 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 batteries. 3. Remove the solid state drive carrier.

  • Page 155: Installing The Display Back-Cover Assembly

    Figure 110. Removing the display back-cover assembly Steps After performing the preceding steps, you are left with the display back-cover assembly. Installing the display back-cover assembly 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.
  • Page 156 Figure 111. Installing the display back-cover assembly Steps After performing the succeeding steps, you are left with the display back-cover assembly. Next steps 1. Install the display-panel assembly. 2. Install the display assembly. 3. Install the system board. 4. Install the heat sink (UMA) heat sink (discrete).

  • Page 157: Palm-Rest Assembly

    Palm-rest assembly Removing the palm-rest 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 batteries. 3. Remove the solid state drive carrier.

  • Page 158: Installing The Palm-Rest Assembly

    Steps After performing the preceding steps, you are left with the palm-rest assembly. NOTE: The palm-rest assembly is preassembled with the touchpad, power button board, power button with fingerprint reader, LED board, USH board, left I/O-board, and speakers. NOTE: Depending on the configuration of the computer, the optional rear I/O-board and the port cover must be transferred over to the new replacement palm-rest assembly.
  • Page 159 Next steps 1. Install the display assembly. 2. Install the system board. 3. Install the heat sink (UMA) heat sink (discrete). 4. Install the fan. 5. Install the rear I/O-board. 6. Install the dock I/O-module. 7. Install the WWAN card. 8.

  • Page 160: Chapter 7: Software

    Your Dell Pro Rugged 14 RB14250 supports the following operating systems: ● Windows 11 Home ● Windows 11 Pro 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. Software...

  • Page 161: Chapter 8: Technology And Components

    WiFi and Bluetooth services, and so on. Using Dell Rugged Control Center, you can also configure a range of settings on your rugged device such as application settings, keyboard backlight, night mode, stealth mode, GPS configuration, and antenna switch.

  • Page 162: Chapter 9: Bios Setup

    BIOS Setup CAUTION: Unless you are an expert computer user, do not change the settings in the BIOS Setup. Certain changes can make your computer work incorrectly. NOTE: Depending on the computer and the installed devices, the options that are listed in this section may or may not be displayed.

  • Page 163: View Advanced Setup Options

    For most of the System Setup options, changes that you make are recorded but do not take effect until you restart the computer. NOTE: Depending on your computer and its installed devices, the items that are listed in this section may differ. Table 51. System Setup options—Overview menu  Overview Dell Pro Rugged 14 RB14250 BIOS Setup...
  • Page 164 Table 51. System Setup options—Overview menu (continued) Overview BIOS Version Displays the BIOS version number. Service Tag Displays the Service Tag of the computer. Asset Tag Displays the Asset Tag of the computer. Manufacture Date Displays the manufacture date of the computer. Ownership Date Displays the ownership date of the computer.
  • Page 165 Table 51. System Setup options—Overview menu (continued) Overview NOTE: To view this option, enable Advanced Setup mode as described in View Advanced Setup options. MEMORY Information Memory Installed Displays the total memory installed on the computer. Memory Available Displays the total memory available on the computer. Memory Speed Displays the memory speed.
  • Page 166 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 167 Table 53. System Setup options—Integrated Devices menu (continued) Integrated Devices 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 seleect between a 12-hour or 24-hour clock. Changes to the time format take effect immediately. Camera Enable Camera Enables the camera.
  • Page 168 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 169 To view this option, enable Advanced Setup mode as described in View Advanced Setup options. Disable onboard LEDs Configures the Dell Stealth Mode feature. Checking Enable Stealth Mode enables this feature. All other controls on this page may only be configured when stealth mode is enabled. Disable onboard LCD Screen Enables or disables the onboard LCD Screen.
  • Page 170 Table 54. System Setup options—Storage menu (continued) Storage By default, the Secure Digital (SD) Card option is enabled. NOTE: To view this option, enable Advanced Setup mode as described in View Advanced Setup options. Secure Digital (SD) Card Read-Only Mode Enables or disables the SD card read-only mode. NOTE: To view this option, enable Advanced Setup mode as described in View Advanced Setup...
  • Page 171 Table 56. System Setup options—Connection menu (continued) Connection Bluetooth Enables or disables the internal Bluetooth device. By default, the Bluetooth option is enabled. Contactless Smartcard/NFC Enables or disables the smartcard device. By default, the Contactless Smartcard/NFC option is enabled. NOTE: To view this option, enable Advanced Setup mode as described in View Advanced Setup options.
  • Page 172 Table 56. System Setup options—Connection menu (continued) Connection NOTE: To view this option, enable Advanced Setup mode as described in View Advanced Setup options. Antenna Switch This setting configures, on a radio-by-radio basis, which antenna to use when docked: docking station or system. If set to Dock antenna, the default, then the radio will be switched to use the external docking station antenna when docked.
  • Page 173 By default, the Optimized option is selected. 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.
  • Page 174 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. NOTE:...
  • Page 175 When set to On-Silent, the event is logged in the BIOS Events log, but no notification is displayed. By default, the Chassis Intrusion Detection option is disabled. For additional security, Dell Technologies recommends keeping the Chassis Intrusion option enabled. NOTE:...
  • Page 176 Security 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 forconfiguration and activation. By default, the Absolute option is enabled.
  • Page 177 Password prompt. ● The system password is not prompted when the computer resumes from standby mode. Dell Technologies recommends using the system password in situations where it is likely that a computer may be lost or stolen. M.2 PCIe SSD-0 Password The hard drive password can be set to prevent unauthorized access of the data stored on the solid-state drive.
  • Page 178 This gives an administrator control over the BIOS settings but enables an end user to provide their own password. By default, the Allow Non-Admin Password Changes option is enabled. For additional security, Dell Technologies recommends keeping the Allow Non- Admin Password Changes option disabled. NOTE:...
  • Page 179 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 Technologies does not recommend enabling the Master Password Lockout unless you have implemented your own password recovery system. NOTE:...
  • Page 180 Allows the control of the automatic boot flow for the SupportAssist System Resolution Console and the Dell OS Recovery Tool. By default, the Dell Auto OS Recovery Threshold value is set to 2. NOTE: To view this option, enable Advanced Setup mode as described in View Advanced Setup options.
  • Page 181 Table 61. System Setup options—System Management menu (continued) System Management OS agent requests Enable or disable the option for applications running in the operating system to run with preboot diagnostics on subsequent boots. NOTE: To view this option, enable Advanced Setup mode as described in View Advanced Setup options.
  • Page 182 Table 63. System Setup options—Pre-boot Behavior menu (continued) Pre-boot Behavior NOTE: To view this option, enable Advanced Setup mode as described in View Advanced Setup options. Fastboot Configure the speed of the UEFI boot process. By default, the Thorough option is selected. Performs complete hardware and configuration initialization during boot.
  • Page 183 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 enabled. NOTE: This option is provided only for compatibility purposes, since some older hardware is not DMA capable.

  • Page 184: Updating The Bios

    If the recovery key is not known this can result in data loss or an unnecessary operating system reinstall. For more information about this subject, search in the Knowledge Base Resource at Dell Support Site. BIOS Setup...

  • Page 185: Updating The Bios Using The Usb Drive In Windows

    Steps 1. Go to Dell Support Site. 2. Click Product support. In the Search support box, enter the Service Tag of your computer, and then click Search. NOTE: If you do not have the Service Tag, use the SupportAssist to automatically identify your computer. You can also use the product ID or manually browse for your computer model.

  • Page 186: System And Setup Password

    ● 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 187: Deleting Or Changing An Existing System Password Or Setup Password

    ● A password can have up to 32 characters. ● At least one special character: "( ! " # $ % & ' * + , - . / : ; < = > ? @ [ \ ] ^ _ ` { | } )" ●...

  • Page 188: Clearing Bios (System Setup) And System Passwords

    Clearing BIOS (System Setup) and System passwords About this task To clear the computer or BIOS passwords, contact Dell technical support as described at Contact Support. For more information, go to Dell Support Site. NOTE: For information about how to reset Windows or application passwords, see the documentation accompanying Windows or your application.

  • Page 189: 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 190: Dell Supportassist Pre-Boot System Performance Check Diagnostics

    Check diagnostics About this task SupportAssist diagnostics (also known as system diagnostics) performs a complete check of your hardware. The Dell SupportAssist Pre-boot System Performance Check diagnostics is embedded with the BIOS and launched by the BIOS internally. The embedded system diagnostics provides options for particular devices or device groups allowing you to: ●...

  • Page 191: Lcd Power Rail Test (L-Bist)

    LCD Built-in Self-Test (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 192: System-Diagnostic Lights

    This section lists the system-diagnostic lights of your Dell Pro Rugged 14 RB14250. The Service LED is used for system diagnostics, and it emits amber or green light. A Dell service representative uses the LED light patterns to troubleshoot your device.

  • Page 193: Real-Time Clock (Rtc Reset)

    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 194 6. Install the battery. 7. Install the base cover. 8. Connect the power adapter to the computer. 9. Turn on the computer. NOTE: For more information about performing a hard reset, search in the Knowledge Base Resource at the Dell Support Site. Troubleshooting...

  • Page 195: 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 70. 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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