Dell N82XJ Owner's Manual
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Dell N82XJ Owner's Manual

Dell N82XJ Owner's Manual

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Latitude 5450
Owner's Manual
Regulatory Model: P165G
Regulatory Type: P165G002/P165G004/P165G005
October 2024
Rev. A03

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Summary of Contents for Dell N82XJ

  • Page 1 Latitude 5450 Owner's Manual Regulatory Model: P165G Regulatory Type: P165G002/P165G004/P165G005 October 2024 Rev. A03...
  • 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

    Contents Chapter 1: Set up your Latitude 5450.................... 7 Chapter 2: Views of Latitude 5450....................9 Right....................................... 9 Left......................................9 Top......................................11 Front......................................12 Bottom....................................13 Locate the Service Tag or Express Service Code label of your computer............13 Battery charge and status light .............................14 Chapter 3: Specifications of Latitude 5450..................
  • Page 4 After working inside your computer........................44 BitLocker..................................44 Recommended tools................................. 44 Screw list.....................................45 Major components of Latitude 5450..........................46 Chapter 5: Removing and installing Customer Replaceable Units (CRUs)........49 SIM card tray..................................49 Removing the SIM card tray.............................49 Installing the SIM card tray............................50 Base cover...................................
  • Page 5 Installing the coin-cell battery..........................72 Heat sink....................................73 Removing the heat sink - for computers shipped with integrated graphics card........73 Installing the heat sink - for computers shipped with integrated graphics card..........76 Removing the heat sink - for computers shipped with discrete graphics card..........79 Installing the heat sink - for computers shipped with discrete graphics card..........80 Speakers....................................81 Removing the speakers...............................81...
  • Page 6 Clearing Chassis Intrusion Alert........................... 160 Chapter 9: Troubleshooting....................... 163 Handling swollen rechargeable Li-ion batteries......................163 LCD Power rail test (L-BIST)............................163 Dell SupportAssist Pre-boot System Performance Check diagnostics.............. 164 Running the SupportAssist Pre-Boot System Performance Check.............. 164 Built-in self-test (BIST)..............................164 M-BIST..................................164 Logical Built-in Self-test (L-BIST).........................165...

  • Page 7: Chapter 1: Set Up Your Latitude 5450

    Dell support site. 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 8 SupportAssist proactively checks the health of your computer hardware and software. When an issue is detected, the necessary system state information is sent to Dell to begin troubleshooting. SupportAssist is preinstalled on most of the Dell devices running the Windows operating system. For...

  • Page 9: Chapter 2: Views Of Latitude 5450

    Views of Latitude 5450 Right Figure 2. Right view 1. Universal audio jack Connect headphones or a headset (headphone and microphone combo). 2. USB 3.2 Gen 1 port with PowerShare Connect devices such as external storage devices and printers. Provides data transfer speeds up to 5 Gbps. PowerShare enables you to charge your USB devices even when your computer is turned off.
  • Page 10 Supports USB4, DisplayPort 2.1, Thunderbolt 4 and also enables you to connect to an external display using a display adapter. Provides data transfer rates of up to 40 Gbps for USB4 and Thunderbolt 4. NOTE: You can connect a Dell Docking Station to the Thunderbolt 4 ports. For more information, search in the Knowledge Base Resource at Dell support site.

  • Page 11: Top

    10 seconds 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. NOTE: You can customize the power-button behavior in Windows. Views of Latitude 5450...

  • Page 12: Front

    Turns on when the camera is in use. 7. Ambient-light sensor (optional) The sensor detects the ambient light and automatically adjusts the display brightness. 8. Right microphone Provides digital sound input for audio recording and voice calls. Views of Latitude 5450...

  • Page 13: Bottom

    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 14: Battery Charge And Status Light

    Figure 7. Service Tag location Battery charge and status light The following table lists the battery charge and status light behavior of your Latitude 5450. Table 2. Battery charge and status light behavior  Power source LED behavior System power state...

  • Page 15: Chapter 3: Specifications Of Latitude 5450

    1.40 kg (3.09 lb) - minimum 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 for your Latitude 5450. Specifications of Latitude 5450...
  • Page 16 3.30 GHz 3.40 GHz 3.50 GHz 3.70 GHz frequency Processor cache 10 MB 12 MB 12 MB 12 MB Integrated graphics Intel UHD Graphics Intel Iris Xe Graphics Intel Iris Xe Graphics Intel Iris Xe Graphics Specifications of Latitude 5450...
  • Page 17 0.70 GHz frequency Maximum turbo 3.90 GHz 3.60 GHz 3.60 GHz 3.60 GHz frequency Processor cache 12 MB 12 MB 12 MB 18 MB Integrated graphics Intel Iris Xe Graphics Intel Graphics Intel Graphics Intel Arc Graphics Specifications of Latitude 5450...

  • Page 18: Chipset

    Integrated graphics Intel Arc Graphics Intel Graphics Intel Graphics Intel Arc Graphics Chipset The following table lists the details of the chipset that is supported in your Latitude 5450. Table 7. Chipset  Description Values Chipset Integrated in the processor Processor ●...

  • Page 19: Operating System

    Your Latitude 5450 supports the following operating systems: ● Windows 11 Home ● Windows 11 Pro ● Ubuntu Linux 22.04 LTS Memory The following table lists the memory specifications that are supported by your Latitude 5450. Table 8. Memory specifications  Description Values Memory slots...

  • Page 20: External Ports And Slots

    External ports and slots The following table lists the external ports and slots of your Latitude 5450. Table 9. External ports and slots  Description Values Network port One RJ45 Ethernet port USB ports ● One USB 3.2 Gen 1 port ●...

  • Page 21: Ethernet

    ● Intel Jacksonville I219-V 10/100/Gb (1000BASE-T) for non-vPRO configurations Transfer rate 10/100/1000 Mbps Wireless module The following table lists the Wireless Local Area Network (WLAN) modules that are supported on your Latitude 5450. Table 12. Wireless module specifications  Description Option one Option two...
  • Page 22 ● WWAN Diversity Antenna x 1 ● 4x4 MIMO Antenna x 2 NOTE: For instructions on how to find your computer's International Mobile Equipment Identity (IMEI) number, search in the Knowledge Base Resource at the Dell Support Site. Specifications of Latitude 5450...

  • Page 23: Audio

    Audio The following table lists the audio specifications of your Latitude 5450. Table 14. Audio specifications  Description Values Audio controller Waves MaxxAudio Pro 13.0 Stereo conversion Supported Internal audio interface High definition audio interface External audio interface Universal Audio Jack/HDMI 2.1 TMDS port...

  • Page 24: Keyboard Function Keys

    Primary behavior Mute audio Decrease volume Increase volume Mute microphone Keyboard backlight NOTE: Toggle to cycle the keyboard backlight status through off, low- backlight, and high-backlight. Decrease brightness Increase brightness Switch to external display Print Screen Home Specifications of Latitude 5450...

  • Page 25: Camera

    For example, if you press 2, 2 is displayed; if you press Shift and 2, @ is displayed. Camera The following table lists the camera specifications of your Latitude 5450. Table 19. Camera specifications  Description...

  • Page 26: Touchpad

    640 x 360 at 30 fps Diagonal viewing angle: Camera 80 degrees Infrared camera 86.60 degrees Touchpad The following table lists the touchpad specifications of your Latitude 5450. Table 20. Touchpad specifications  Description Values Touchpad resolution: > 300 DPI Touchpad dimensions: Horizontal 115 mm (4.52 in.)

  • Page 27: Power Adapter

    The following table lists the power adapter for yourLatitude 5450 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: Specifications of Latitude 5450...

  • Page 28: Power Adapter Requirements (For Computers That Are Shipped With 3-Cell, 54 Wh Battery And Integrated Graphics)

    The following table lists theLatitude 5450 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. Power adapter requirements for yourLatitude 5450 ...

  • Page 29: Power Adapter Requirements (For Computers That Are Shipped With 3-Cell, 54 Wh Battery And Discrete Graphics)

    The following table lists the power adapter for your Latitude 5450 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 24. Power adapter requirements for your Latitude 5450 ...
  • Page 30 Dell Power time from 0% to 0% to 100% RSOC time from 0% to time from 0% to 100% RSOC is 4 is 4 hours.

  • Page 31: Display

    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 32: Fingerprint Reader (Optional)

    4.60 W (maximum) Anti-glare vs glossy finish Anti-glare Anti-glare Anti-glare Fingerprint reader (optional) The following table lists the specifications of the optional fingerprint-reader of your Latitude 5450. Table 27. Fingerprint reader specifications  Description Values Sensor technology Capacitive Sensor resolution 500 dpi...

  • Page 33: Gpu-Integrated

    GPU—Integrated The following table lists the specifications of the integrated Graphics Processing Unit (GPU) supported by your Latitude 5450. Table 29. GPU—Integrated  Controller Memory size Processor Intel Arc Graphics Shared system memory Intel Core H processors configured with a minimum of 16 GB dual-channel (128-...

  • Page 34: Hardware Security

    SED SSD NVMe, SSD (Opal and non-Opal) per SDL Smart-card reader Contactless smart-card reader This section lists the contactless smart-card reader specifications of your Latitude 5450. This module is only available in computers shipped with Smart-card readers. Table 33. Contactless smart-card reader specifications ...
  • Page 35 Common driver support for Integrated Circuit Card Interface Device for operating system level drivers Dell ControlVault support The device connects to Dell ControlVault for usage and processing NOTE: 125 KHz proximity cards are not supported. Table 34. Contactless card types supported ...
  • Page 36 SCE6.0 FIPS 80K Dual + 1K Mifare SCE6.0 nonFIPS 80K Dual + 1K Mifare SCE6.0 FIPS 144K Dual + 1K Mifare SCE6.0 nonFIPS 144K Dual + 1K Mifare SCE7.0 FIPS 144K Oberthur idOnDemand - OCS5.2 80K Specifications of Latitude 5450...
  • Page 37 Tap and do - NFC Forum Type 4 Tag - Mifare DESFire EV1Card 4K Tap and do - NFC Forum Type 4 Tag - Mifare DESFire EV1Card 8K Tap and do - ISO 15693 - Tag-it Plus HID I-code ISO card Specifications of Latitude 5450...

  • Page 38: Contacted Smart-Card Reader

    Contacted smart-card reader The following table lists the contacted smart-card reader specifications of your Latitude 5450. Table 37. Contacted smart-card reader specifications  Title Description Dell ControlVault 3 Plus Contacted smart-card reader ISO 7816-3 Class A Card Support Reader capable of reading 5 V powered...

  • Page 39: Dell Support Policy

    * Measured using a random vibration spectrum that simulates the user environment. † Measured using a 2 ms half-sine pulse. Dell support policy For information about Dell support policy, search in the Knowledge Base Resource at Dell Support Site. ComfortView Plus...

  • Page 40: Dell Optimizer

    Figure 8. Camera shutter Dell Optimizer This section provides the Dell Optimizer specifications of your Latitude 5450. On Latitude 5450 with Dell Optimizer, the following features are supported: ● ExpressConnect—Automatically joins the access point with the strongest signal, and directs bandwidth to conferencing applications when in use.

  • Page 41: 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 42: 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 43: Esd Field Service Kit

    ● 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. The memory module receives a static shock, but the tracing is merely weakened and does not immediately produce outward symptoms that are related to the damage.

  • Page 44: 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 45: Screw List

    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 46: Major Components Of Latitude 5450

    Left and right display hinges M2.5x5 (secured to palm-rest assembly) Display panel M2.5x3 Display hinges (secured to M2.5x3 display back cover) Major components of Latitude 5450 The following image shows the major components of Latitude 5450. Working inside your computer...
  • Page 47 Figure 9. Major components of your computer 1. Base cover 2. 4G WWAN card bracket (optional) 3. 4G WWAN card (optional) 4. Heat sink 5. System board 6. Battery 7. Assembly inner frame 8. Smart card reader (optional) 9. Palm-rest assembly 10.
  • Page 48 19. Power-button board NOTE: Dell provides a list of components and their part numbers for the original system configuration purchased. These parts are available according to warranty coverages purchased by the customer. Contact your Dell sales representative for purchase options.

  • Page 49: Chapter 5: Removing And Installing Customer Replaceable Units (Crus)

    Removing and installing Customer Replaceable Units (CRUs) The replaceable components in this chapter are Customer Replaceable Units (CRUs). CAUTION: Customers can replace only the Customer Replaceable Units (CRUs) following the safety precautions and replacement procedures. NOTE: The images in this document may differ from your computer depending on the configuration you ordered. SIM card tray Removing the SIM card tray Prerequisites...

  • Page 50: Installing The Sim Card Tray

    Figure 10. Removing the SIM card tray Steps 1. Insert a pin into the release hole of the SIM card tray. 2. Push the pin to release the lock, and eject the SIM card tray. 3. Slide the SIM card tray out of the slot on the computer. 4.

  • Page 51: Base Cover

    Figure 11. Installing the SIM card tray Steps 1. Insert a pin into the release hole to release the SIM card tray. 2. Push the pin to release the lock, and eject the SIM card tray. 3. Slide the SIM card tray out of the slot on the computer. 4.
  • Page 52 CAUTION: If your computer is unable to enter Service Mode, disconnect the battery cable from the system board. 2. Remove the nanoSIM card. About this task NOTE: Before removing the base cover, ensure that there is no smart card installed in the smart card slot on your computer.

  • Page 53: Installing The Base Cover

    2. Starting from the top edge, use a plastic scribe to pry the base cover and release it from all sides of the palm rest assembly. 3. Lift the base cover off the palm-rest assembly. NOTE: Ensure that your computer is in Service Mode. If your computer is unable to enter Service Mode, disconnect the battery cable from the system board.

  • Page 54: Memory Module

    About this task The following images indicate the location of the base cover and provide a visual representation of the installation procedure. Figure 13. Installing the base cover NOTE: If the battery is not a pre-requisite and if you have disconnected the battery cable, ensure to connect the battery cable. Steps 1.

  • Page 55: Installing The Memory Module

    Steps 1. Using your fingertips, spread apart the securing clips on the memory-module slot until the memory module pops up. 2. Slide and remove the memory module from the memory-module slot on the system board. NOTE: Repeat step 1 and step 2 if there is more than one memory module installed on your computer. Installing the memory module Prerequisites If you are replacing a component, remove the existing component before performing the installation process.

  • Page 56: Solid-State Drive

    Solid-state drive Removing the M.2 2230 solid-state drive Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the nanoSIM card. 3. Remove the base cover. About this task The following image indicates the location of the M.2 2230 solid-state drive and provides a visual representation of the removal procedure.

  • Page 57: Wireless Card

    Figure 17. Installing the M.2 2230 solid-state drive Steps 1. Align the notch on the solid-state drive with the tab on the solid-state drive slot (SSD). 2. Slide the solid-state drive into the solid-state drive slot (SSD). 3. Insert the tab on the thermal shield into the recess on the inner frame. 4.

  • Page 58: Installing The Wireless Card

    Figure 18. Removing the wireless card Steps 1. Loosen the captive screw that secures the wireless-card bracket to the wireless card and system board. 2. Lift the wireless-card bracket off the wireless card. 3. Disconnect the antenna cables from the wireless card. 4.
  • Page 59 Figure 19. Installing the wireless card Steps 1. Connect the antenna cables to the wireless card. The following table provides the antenna-cable color scheme for the wireless card that is supported by your computer. Table 40. Antenna-cable color scheme  Connectors on the Antenna-cable color Silkscreen marking wireless card...

  • Page 60: Wireless Wide Area Network (Wwan) Card

    Next steps 1. Install the base cover. 2. Install the nanoSIM card. 3. Follow the procedure in After working inside your computer. Wireless Wide Area Network (WWAN) card Removing the WWAN card Prerequisites 1. Follow the procedure in Before working inside your computer.
  • Page 61 Figure 20. Removing the WWAN card - For computers shipped with 4G card Removing and installing Customer Replaceable Units (CRUs)

  • Page 62: Installing The Wwan Card

    Figure 21. Removing the WWAN card - For computers shipped with 5G card Steps 1. Using a plastic scribe, pry the WWAN-card shield from the right side recess to release it from the frame that accommodates the WWAN card. 2. Lift the WWAN-card shield off the frame. 3.
  • Page 63 The following images indicate the location of the WWAN card and provide a visual representation of the installation procedure. Figure 22. Installing the WWAN card - For computers shipped with 4G card Removing and installing Customer Replaceable Units (CRUs)
  • Page 64 Figure 23. Installing the WWAN card - For computers shipped with 5G card Steps 1. Connect the antenna cables to the WWAN card. The following table provides the antenna-cable color scheme for the WWAN card that is supported by your computer. Table 41.

  • Page 65: Fan

    Table 42. Antenna-cable color scheme for 5G WWAN card (continued) Connectors on the WWAN card Antenna-cable color Silkscreen marking Black ANT3 D/G 2. Align the notch on the WWAN card with the tab on the WWAN-card slot (WWAN). 3. Insert the WWAN card into the slot at an angle. 4.

  • Page 66: Installing The Fan

    Figure 24. Removing the fan Steps 1. Disconnect the coin-cell battery cable from the connector (JRTC1) and remove the cable from the routing guides on the fan. 2. Disconnect the fan cable from the connector (JFAN1) on the system board. 3.
  • Page 67 Figure 25. 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 (M2x5) that secure the fan to the palm-rest assembly. 3. Adhere the tape that secures the fan to the heat sink. 4.

  • Page 68: Chapter 6: Removing And Installing Field Replaceable Units (Frus)

    ● 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 69 Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the nanoSIM card. 3. Remove the base cover. About this task The following image indicates the location of the battery and provides a visual representation of the removal procedure. Figure 26.

  • Page 70: Installing The Battery

    Installing the 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 process. About this task The following image indicates the location of the battery and provides a visual representation of the installation procedure. Figure 27.

  • Page 71: Coin-Cell Battery

    6. Tighten the five captive screws that secure the battery to the palm-rest assembly. 7. Connect the battery cable to the connector (BATTERY) on the system board. Next steps 1. Install the base cover. 2. Install the nanoSIM card. 3. Follow the procedure in After working inside your computer.

  • Page 72: Installing The Coin-Cell Battery

    2. Remove the coin-cell battery cable from the routing guide on the fan. 3. Peel the coin-cell battery and lift it along with its cable from the system board. 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 process.

  • Page 73: Heat Sink

    Heat sink Removing the heat sink - for computers shipped with integrated graphics card 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 nanoSIM card.
  • Page 74 Figure 30. Removing the heat sink - For computers shipped with 4G card Removing and installing Field Replaceable Units (FRUs)
  • Page 75 Figure 31. Removing the power shielding cover - For computers shipped with H28 UMA system board Removing and installing Field Replaceable Units (FRUs)

  • Page 76: Installing The Heat Sink - For Computers Shipped With Integrated Graphics Card

    Figure 32. Removing the heat sink - For computers shipped with 5G card Steps 1. Using a plastic scribe, pry and remove the power shielding cover. NOTE: Remove the power shielding cover only on computers shipped with H28 UMA system board. 2.
  • Page 77 About this task NOTE: If either the system board or the heat sink is replaced, use the thermal grease provided in the kit to ensure that thermal conductivity is achieved. The following images indicate the location of the heat sink and provide a visual representation of the installation procedure. Figure 33.
  • Page 78 Figure 34. Installing the heat sink - For computers shipped with 5G card Removing and installing Field Replaceable Units (FRUs)

  • Page 79: Removing The Heat Sink - For Computers Shipped With Discrete Graphics Card

    Figure 35. Installing the power shielding cover - For computers shipped with H28 UMA system board Steps 1. Align and place the heat sink on the system board. 2. Tighten the four captive screws in the sequential order mentioned on the heat sink [1 > 2 > 3 > 4]. NOTE: The number of screws varies depending on the configuration ordered.

  • Page 80: Installing The Heat Sink - For Computers Shipped With Discrete Graphics Card

    About this task NOTE: The heat sink may become hot during normal operation. Allow sufficient time for the heat sink to cool before you touch it. 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.

  • Page 81: Speakers

    Figure 37. Installing the heat sink Steps 1. Align and place the heat sink on the system board. 2. Tighten the six captive screws in the sequential order mentioned on the heat sink [1 > 2 > 3 > 4 > 5 > 6]. NOTE: The number of screws varies depending on the configuration ordered.

  • Page 82: Installing The Speakers

    Figure 38. Removing the speakers Steps 1. Disconnect the speaker cable from the connector (JSPK1) on the system board. 2. Remove the white antenna cable and speaker cable from the routing guides on the palm-rest assembly and the assembly inner frame. 3.
  • Page 83 Figure 39. Installing the speakers Steps 1. Using the alignment posts, place the left and right speakers into their slots on the palm-rest assembly. NOTE: Ensure that the rubber grommets are positioned correctly. Figure 40. Seating position of the rubber grommets 2.

  • Page 84: Assembly-Inner Frame

    3. Install the nanoSIM card. 4. Follow the procedure in After working inside your computer. Assembly-inner frame Removing the assembly inner frame 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 85: Installing The Assembly Inner Frame

    Installing the assembly inner frame 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 process. About this task The following image indicates the location of the assembly inner frame and provides a visual representation of the installation procedure.

  • Page 86: Display Assembly

    Display assembly Removing the display assembly - for computers shipped with integrated graphics card 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 nanoSIM card.
  • Page 87 Figure 44. Removing the display assembly - For computers shipped with 4G card Removing and installing Field Replaceable Units (FRUs)
  • Page 88 Figure 45. Removing the display assembly - For computers shipped with 5G card Removing and installing Field Replaceable Units (FRUs)

  • Page 89: Installing The Display Assembly - For Computers Shipped With Integrated Graphics Card

    Figure 46. Removing the display assembly - For computers shipped with 5G card Steps 1. Remove the two screws (M2x3) that secure the display cable bracket to the system board. 2. Lift the display cable bracket away from the computer. 3.
  • Page 90 Figure 47. Installing the display assembly - For computers shipped with 4G card Removing and installing Field Replaceable Units (FRUs)
  • Page 91 Figure 48. Installing the display assembly - For computers shipped with 4G card Removing and installing Field Replaceable Units (FRUs)
  • Page 92 Figure 49. Installing the display assembly - For computers shipped with 5G card Removing and installing Field Replaceable Units (FRUs)

  • Page 93: Removing The Display Assembly - For Computers Shipped With Discrete Graphics Card

    Figure 50. Installing the display assembly - For computers shipped with 5G card Steps 1. Align the screw holes on the palm-rest assembly with the screw holes on the display hinges. 2. Replace the four screws (M2.5x5) that secure the left and right display hinges to the palm-rest assembly. 3.
  • Page 94 4. Remove the wireless card. 5. Remove the WWAN card. About this task The following image indicates the location of the display assembly and provides a visual representation of the removal procedure. Figure 51. Removing the display assembly - For computers shipped with discrete graphics card Steps 1.

  • Page 95: Installing The Display Assembly - For Computers Shipped With Discrete Graphics Card

    3. Using the pull tab, disconnect the display cable from the connector (JEDP1) on the system board. 4. Disconnect the touchscreen and G-Sensor cable from the connector (JSENTS1) on the system board. 5. Disconnect the IR camera cable from the connector (JIR1) on the system board and remove the cable from the routing guide on the system board.
  • Page 96 Figure 52. Installing the display assembly - For computers shipped with discrete graphics card Steps 1. Align the screw holes on the palm-rest assembly with the screw holes on the display hinges. 2. Replace the four screws (M2.5x5) that secure the left and right display hinges to the palm-rest assembly. 3.

  • Page 97: Display Bezel

    8. Replace the two screws (M2x3) that secure the display cable bracket to the system board. Next steps 1. Install the WWAN card. 2. Install the wireless card. 3. Install the base cover. 4. Install the nanoSIM card. 5. Follow the procedure in After working inside your computer.

  • Page 98: Installing The Display Bezel

    Steps 1. Carefully pry up the display bezel starting from the recesses on the bottom edge of the display near the left and right hinges. 2. Pry along the outside edge of the display bezel and work your way around the entire display bezel until the display bezel is separated from the display cover.

  • Page 99: Display Panel

    Display panel Removing the display panel CAUTION: The information in this removal section is intended for authorized service technicians only. Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the nanoSIM card. 3. Remove the base cover.
  • Page 100 Figure 55. Removing the display panel NOTE: The display panel is preassembled with the display brackets as a single service part. Do not pull the Stretch Release (SR) tapes and separate the brackets from the display panel. Removing and installing Field Replaceable Units (FRUs)

  • Page 101: Installing The Display Panel

    Figure 56. Display panel Steps 1. Remove the two screws (M2.5x3) that secure the display panel to the display back cover. 2. Lift the bottom edge of the display panel, slide the display panel downwards to release the display bracket from the slots at the top side of the display back cover.
  • Page 102 Figure 57. Installing the display panel Steps 1. Connect the display cable to the connector on the display panel and close the latch to secure the cable. 2. Adhere the tape that secures the display cable to the display panel. 3.

  • Page 103: Camera Module

    6. Install the nanoSIM card. 7. Follow the procedure in After working inside your computer. Camera module Removing the camera 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 104: Installing The Camera Module

    Installing the camera module CAUTION: The information in this installation section is intended for authorized service technicians only. Prerequisites If you are replacing a component, remove the existing component before performing the installation process. About this task The following images indicate the location of the camera module and provide a visual representation of the installation procedure.

  • Page 105: Display Hinges

    Display hinges Removing the display hinges 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 nanoSIM card. 3. Remove the base cover.

  • Page 106: Display Cable

    Prerequisites If you are replacing a component, remove the existing component before performing the installation process. About this task The following image indicates the location of the display hinges and provides a visual representation of the installation procedure. Figure 61. Installing the display hinges Steps 1.
  • Page 107 Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the nanoSIM card. 3. Remove the base cover. 4. Remove the wireless card. 5. Remove the WWAN card. 6. Remove the display assembly. 7. Remove the display bezel.

  • Page 108: Installing The Display Cable

    Steps 1. Peel the tape that secures the camera cable to the display back cover in computers shipped with an EMZA camera module. 2. Disconnect the camera cable from the camera module. 3. Disconnect the G-sensor board cable from the G-sensor board in computers that are shipped with a G-sensor board. 4.
  • Page 109 Figure 63. Installing the display cable Steps 1. Adhere the display cable to the display back cover. 2. Connect the G-sensor board cable to the G-sensor board in computers that are shipped with a G-sensor board. 3. Connect the camera cable to the connector on the camera module. 4.

  • Page 110: Display Back Cover

    6. Install the base cover. 7. Install the nanoSIM card. 8. Follow the procedure in After working inside your computer. Display back cover Removing the display back cover CAUTION: The information in this removal section is intended for authorized service technicians only. Prerequisites 1.

  • Page 111: Installing The Display Back Cover

    For computers shipped with a G-sensor, the G-sensor daughter board is part of the display back cover. DO NOT remove it from the display back cover. Installing the display back cover CAUTION: The information in this installation section is intended for authorized service technicians only. Prerequisites If you are replacing a component, remove the existing component before performing the installation process.

  • Page 112: System Board

    Figure 66. G-sensor daughter board Steps Place the display back cover on a flat surface. Next steps 1. Install the display cable. 2. Install the display hinges. 3. Install the camera module. 4. Install the display panel. 5. Install the display bezel.
  • Page 113 8. Remove the WWAN card. 9. Remove the coin-cell battery. 10. Remove the fan. 11. Remove the heat sink. 12. Remove the assembly inner frame. About this task The following image indicates the system-board connectors. Figure 67. System-board connectors 1. Fingerprint-reader cable connector (JFPBTN1) 2.
  • Page 114 Figure 68. Removing the system board Steps 1. Remove the screw (M2x3) that secures the fingerprint reader bracket to the palm-rest assembly. 2. Lift the fingerprint reader bracket off the palm-rest assembly. 3. Disconnect the fingerprint reader cable from the connector (JFPBTN1) on the system board. 4.

  • Page 115: Installing The System Board

    10. Open the latch and disconnect the touchpad cable from the connector (JITP1) on the system board. 11. Remove the three screws (M2x5) that secure the USB Type-C bracket to the palm-rest assembly. 12. Remove the three screws (M2x4) that secure the system board to the palm-rest assembly. 13.
  • Page 116 Prerequisites If you are replacing a component, remove the existing component before performing the installation process. About this task The following image indicates the system-board connectors. Figure 71. System-board connectors 1. Fingerprint-reader cable connector (JFPBTN1) 2. Display cable connector (JEDP1) 3.
  • Page 117 Figure 72. Installing the system board NOTE: For computers shipped with a 5G WWAN card, the WWAN card thermal pad must be transferred to the replacement system board. Removing and installing Field Replaceable Units (FRUs)
  • Page 118 Figure 73. WWAN card thermal pad NOTE: The system board includes a USB Type-C bracket, which must NOT be removed. NOTE: For computers shipped with a U15 system board, the system board includes a power shielding cover, which must NOT be removed. Figure 74.

  • Page 119: Smart Card Reader

    13. Replace the screw (M2x3) that secures the fingerprint reader bracket to the palm-rest assembly. Next steps 1. Install the assembly inner frame. 2. Install the heat sink. 3. Install the fan. 4. Install the coin-cell battery. 5. Install the WWAN card.

  • Page 120: Installing The Smart Card Reader

    Figure 75. Removing the smart card reader Steps 1. Open the latch and disconnect the smart card reader cable from the connector (JSC1) on the USH board. 2. Peel the smart card reader cable from the palm-rest assembly. 3. Remove the three screws (M2x2.5) that secure the smart card reader to the palm-rest assembly. 4.

  • Page 121: Power-Button Board

    Figure 76. Installing the smart card reader Steps 1. Using the alignment posts, align and place the smart card reader on the palm-rest assembly. 2. Replace the three (M2x2.5) screws to secure the smart card reader to the palm-rest assembly. 3.

  • Page 122: Installing The Power-Button Board

    Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the nanoSIM card. 3. Remove the base cover. 4. Remove the battery. 5. Remove the memory modules. 6. Remove the M.2 2230 solid-state drive. 7. Remove the wireless card.
  • Page 123 Prerequisites If you are replacing a component, remove the existing component before performing the installation process. About this task The following image indicates the location of the power-button board and provides a visual representation of the installation procedure. Figure 78. Installing the power-button board Steps 1.

  • Page 124: Keyboard

    Keyboard Removing the keyboard 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 nanoSIM card. 3. Remove the base cover. 4. Remove the battery. 5.
  • Page 125 Figure 79. Removing the keyboard Steps 1. Open the latch and disconnect the keyboard cable from the connector (JKBTP1) on the touchpad. 2. Open the latch and disconnect the keyboard backlit cable from the connector (LIGHTING) on the touchpad. 3. Peel the touchpad cable from the keyboard assembly. 4.

  • Page 126: Installing The Keyboard

    Figure 80. Keyboard bracket screws 5. Lift the keyboard assembly off the palm-rest assembly. 6. Turn the keyboard assembly over. 7. Remove the four screws (M2x2) that secure the keyboard to the keyboard bracket. 8. Lift the keyboard off the keyboard bracket. Installing the keyboard CAUTION: The information in this installation section is intended for authorized service technicians only.
  • Page 127 Figure 81. Installing the keyboard Steps 1. Align and place the keyboard on the keyboard bracket. 2. Replace the four screws (M2x2) that secure the keyboard to the keyboard bracket. 3. Turn the keyboard assembly over. 4. Align and place the keyboard assembly on the palm-rest assembly. 5.

  • Page 128: Palm-Rest Assembly

    Figure 82. Keyboard bracket screws 6. Adhere the touchpad cable to the keyboard assembly. 7. Connect the keyboard backlit cable to the connector (LIGHTING) on the touchpad and close the latch to secure the cable. 8. Connect the keyboard cable to the connector (JKBTP1) on the touchpad and close the latch to secure the cable. Next steps 1.
  • Page 129 3. Remove the base cover. 4. Remove the battery. 5. Remove the memory modules. 6. Remove the M.2 2230 solid-state drive. 7. Remove the wireless card. 8. Remove the WWAN card. 9. Remove the fan. 10. Remove the speakers. 11. Remove the assembly inner frame.

  • Page 130: Installing The Palm-Rest Assembly

    Installing the palm-rest 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 process. About this task The following image indicates the location of the palm-rest assembly and provides a visual representation of the installation procedure.

  • Page 131: Dummy Sim-Card Slot Filler

    7. Install the speakers. 8. Install the fan. 9. Install the WWAN card. 10. Install the wireless card. 11. Install the M.2 2230 solid-state drive. 12. Install the memory modules. 13. Install the battery. 14. Install the base cover. 15. Install the nanoSIM card.

  • Page 132: Installing The Dummy Sim-Card Slot Filler

    Figure 85. Removing the dummy SIM-card slot filler Steps Using a plastic scribe, push the dummy SIM-card slot filler outwards to remove it from the palm-rest assembly. Installing the dummy SIM-card slot filler 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 process.
  • Page 133 Figure 86. Installing the dummy SIM-card slot filler Steps Insert the tabs on the dummy SIM-card slot filler into the SIM-card slot until it snaps into place. Next steps 1. Install the palm-rest assembly. 2. Install the keyboard. 3. Install the power-button board.

  • Page 134: Chapter 7: Software

    Your Latitude 5450 supports the following operating systems: ● Windows 11 Home ● Windows 11 Pro ● Ubuntu Linux 22.04 LTS 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 135: Chapter 8: Bios Setup

    BIOS Setup NOTE: Depending on the computer and the installed devices, the options that are listed in this section may or may not be displayed. CAUTION: Certain changes can make your computer work incorrectly. Before you change the settings in BIOS Setup, it is recommended that you note down the original settings for future reference.

  • Page 136: View Advanced Setup Options

    NOTE: Depending on your computer and its installed devices, the items that are listed in this section may differ. Table 44. System Setup options—Overview menu  Overview Latitude 5450 BIOS Version Displays the BIOS version number. Service Tag Displays the Service Tag of the computer.
  • Page 137 Table 44. System Setup options—Overview menu (continued) Overview Manufacture Date Displays the manufacture date of the computer. Ownership Date Displays the ownership date of the computer. Express Service Code Displays the Express Service Code of the computer. Ownership Tag Displays the Ownership Tag of the computer. Signed Firmware Update Displays whether the Signed Firmware Update is enabled on your computer.
  • Page 138 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 139 Table 45. System Setup options—Boot Configuration menu (continued) Boot Configuration By default, this Enable Secure Boot option is disabled. For additional security, Dell Technologies recommends keeping the Secure Boot option enabled to ensure that the UEFI firmware validates the operating system during the boot process.
  • Page 140 Table 46. System Setup options—Integrated Devices menu (continued) Integrated Devices Time Sets the computer time in HH/MM/SS 24-hour format. You can switch between a 12-hour or 24-hour clock. Changes to the time format take effect immediately. Camera Enable Camera Enables the camera. By default, the Enable Camera option is enabled.
  • Page 141 View Advanced Setup options. 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 142 Table 47. System Setup options—Storage menu (continued) Storage Storage Interface Displays the information of various onboard drives. M.2 PCIe SSD-0 Displays the onboard device interface present in the platform for control. Smart Reporting Enable Smart Reporting Enables or disables the Enable Smart Reporting option. By default, the Enable Smart Reporting option is disabled.
  • Page 143 Table 49. System Setup options—Connection menu (continued) Connection By default, the WLAN option is enabled. WWAN/GPS Enables or disables the internal WWAN device. By default, the WWAN/GPS option is enabled. Bluetooth Enables or disables the internal Bluetooth device. By default, the Bluetooth option is enabled. Contactless Smartcard/NFC Enables or disables the smartcard device.
  • Page 144 By default, the Optimized option is selected. Standard settings for balanced performance, noise, and temperature. 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. BIOS Setup...
  • Page 145 Table 50. System Setup options—Power menu (continued) Power By default, the Wake on Dell USB-C Dock option is enabled. NOTE: To view this option, enable Advanced Setup mode as described in View Advanced Setup options. Block Sleep Enables or disables the computer from entering Sleep (S3) mode in the operating system.
  • Page 146 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 147 NOTE: To view this option, enable Advanced Setup mode as described in View Advanced Setup options. Absolute Absolute Software provides various cyber security solutions, some requiring software preloaded on Dell computers and integrated into the BIOS. To use BIOS Setup...
  • Page 148 BitLocker, Virtual Secure Mode, remote Attestation. PPI Bypass for Clear Commands By default, the PPI Bypass for Clear Commands option is disabled. For additional security, Dell Technologies recommends keeping the PPI Bypass for Clear Commands option disabled. Intel Platform Trust Technology On Allows you to enable or disable Intel Platform Trust Technology.
  • Page 149 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. Table 52. System Setup options—Passwords menu ...
  • Page 150 ● If the system and hard drive passwords are set to the same value, the hard drive unlocks after the correct system password is entered. Dell Technologies recommends using a hard drive password to protect unauthorized data access. Password Configuration The Password configuration page includes several options for changing the requirements of BIOS passwords.
  • Page 151 BIOS Setup configuration without first entering the administrator password (if set). By default, the Enable Admin Setup Lockout option is disabled. For additional security, Dell Technologies recommends keeping the Admin Setup Lockout option disabled. NOTE: To view this option, enable Advanced Setup mode as described in View Advanced Setup options.
  • Page 152 Allows the control of the automatic boot flow for the SupportAssist System Resolution Console and the Dell operating system 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 153 Table 54. System Setup options—System Management menu (continued) System Management Intel AMT capability Configure Intel Active Management Technology (AMT) options, which can be enabled, disabled, or restricted. NOTE: To view this option, enable Advanced Setup mode as described in View Advanced Setup options.
  • Page 154 Table 55. System Setup options—Keyboard menu (continued) Keyboard NOTE: This setting controls only the Intel RAID (CTRL+I), MEBX (CTRL+P), and LSI RAID (CTRL+C) Option ROMs. Other preboot Option ROMs, which support entry using a key sequence, are not affected by this setting. NOTE: To view this option, enable Advanced Setup mode as described in View Advanced Setup...
  • Page 155 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 156 Table 58. System Setup options—Performance menu (continued) Performance Multiple Atom Cores Change the number of Atom cores available to the operating system. The default value is set to the maximum number of cores. By default, the All Cores option is selected. NOTE: To view this option, enable Advanced Setup mode as described in View Advanced Setup...

  • Page 157: Updating The Bios

    Failure to provide the recovery key can result in data loss or an operating system reinstall. For more information, see the Knowledge Base Resource updating the BIOS on Dell systems with BitLocker enabled. Steps 1.

  • Page 158: Updating The Bios In Linux And Ubuntu

    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 159: System And Setup Password

    System and setup password CAUTION: The password features provide a basic level of security for the data on your computer. CAUTION: Ensure that your computer is locked when it is not in use. Anyone can access the data that is stored on your computer, when left unattended.

  • Page 160: Clearing Cmos Settings

    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 161 Figure 87. Security tab Figure 88. Alert message If Block Boot Until Cleared is set to OFF, select Continue to boot up normally or BIOS-Setup to clear the alert. BIOS Setup...
  • Page 162 Figure 89. Alert message NOTE: If Continue is selected, you will continue to see the alert each time the computer is turned on until the alert is cleared. To clear the alert, select ON in the Clear Intrusion Warning field in the Security sub-menu of the BIOS setup menu. Figure 90.

  • Page 163: Chapter 9: 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 164: 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 within the BIOS and launched by the BIOS internally. The embedded system diagnostics provides options for particular devices or device groups allowing you to: ●...

  • Page 165: Logical Built-In Self-Test (L-Bist)

    LCD Built-in Self-Test (LCD-BIST) Dell laptops have a built-in diagnostic tool that helps you determine if the screen abnormality you are experiencing is an inherent problem with the LCD (screen) of the Dell laptop or with the video card (GPU) and computer settings.

  • Page 166: System-Diagnostic Lights

    You should only perform troubleshooting and repairs as authorized or directed by the Dell technical assistance team. Damage due to servicing that is not authorized by Dell is not covered by your warranty. Table 62. Diagnostic-light LED codes ...

  • Page 167: Recovering The Operating System

    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 168 8. Install the battery. 9. Install the base cover. 10. Connect the power adapter to the computer. 11. 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 169: Chapter 10: 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 63. Self-help resources  Self-help resources Resource location Information about Dell products and services Dell Site Tips Online help for operating system...

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