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Dell Precision 5490 Owner's Manual
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Dell Precision 5490 Owner's Manual

Dell Precision 5490 Owner's Manual

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Precision 5490
Owner's Manual
Regulatory Model: P154G
Regulatory Type: P154G004
March 2024
Rev. A00

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Summary of Contents for Dell Precision 5490

  • Page 1 Precision 5490 Owner's Manual Regulatory Model: P154G Regulatory Type: P154G004 March 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

    Right......................................7 Left......................................8 Top......................................9 Front......................................10 Bottom....................................11 Service Tag...................................11 Battery charge and status light .............................12 Chapter 2: Set up your Precision 5490..................13 Chapter 3: Specifications of Precision 5490................16 Dimensions and weight..............................16 Processor..................................... 16 Chipset....................................17 Operating system................................17 Memory....................................17 External ports..................................18...
  • Page 4 After working inside your computer........................37 BitLocker..................................37 Recommended tools................................. 37 Screw list.....................................38 Major components of Precision 5490.......................... 40 Chapter 5: Removing and installing Field Replaceable Units (FRUs)..........43 Base cover..................................43 Removing the base cover............................43 Installing the base cover............................47 M.2 solid state drive.................................
  • Page 5 Clearing chassis intrusion alert............................. 124 Chapter 9: Troubleshooting....................... 128 Handling swollen rechargeable Li-ion batteries......................128 Locate the Service Tag or Express Service Code of your Dell computer ............128 Dell SupportAssist Pre-boot System Performance Check diagnostics.............. 129 Running the SupportAssist Pre-Boot System Performance Check.............. 129 Built-in self-test (BIST)..............................129...
  • Page 6 LCD Built-in Self-Test (BIST)..........................130 System-diagnostic lights..............................131 Recovering the operating system..........................133 Real-Time Clock (RTC Reset)............................133 Backup media and recovery options........................... 133 Wi-Fi power cycle................................133 Drain residual flea power (perform hard reset)......................133 Chapter 10: Getting help and contacting Dell................135 Contents...

  • Page 7: Chapter 1: Views Of Precision 5490

    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, see the knowledge base article 000124295 at www.dell.com/support.

  • Page 8: Left

    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, see the knowledge base article 000124295 at www.dell.com/support.

  • Page 9: Top

    Provides audio output. 4. Precision touchpad with optional NFC/contactless smart-card reader Move your finger on the touchpad to move the mouse pointer. Tap to left-click and two fingers tap to right-click. 5. Left speaker Provides audio output. Views of Precision 5490...

  • Page 10: Front

    Front Figure 4. Front view 1. RGB camera Enables you to video chat, capture photos, and record videos. 2. LCD panel Provides visual output to the user. Views of Precision 5490...

  • Page 11: Bottom

    The regulatory label contains regulatory information of your computer. Service Tag 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. Views of Precision 5490...

  • Page 12: Battery Charge And Status Light

    Figure 6. Service tag location Battery charge and status light The following table lists the battery charge and status light behavior of your Precision 5490. Table 1. Battery charge and status light behavior  Power Source LED Behavior System Power State...

  • Page 13: Chapter 2: Set Up Your Precision 5490

    Follow the on-screen instructions to complete the setup. For more information about installing and configuring Ubuntu, search in the Knowledge Base Resource at www.dell.com/support. For Windows: Follow the on-screen instructions to complete the setup. When setting up, Dell Technologies recommends that you: Set up your Precision 5490...
  • Page 14 This software delivers intelligent features that automatically fine-tune your computer for the best possible audio, power, and performance. Get the most out of your Dell device with intelligent, personalized technology from MyDell. Following are the key features of MyDell: ●...
  • Page 15 Description SupportAssist proactively and predictively identifies hardware and software issues on your computer and automates the engagement process with Dell Technical support. It addresses performance and stabilization issues, prevents security threats, monitors, and detects hardware failures. For more information, see SupportAssist for Home PCs User's Guide at www.dell.com/...

  • Page 16: Chapter 3: Specifications Of Precision 5490

    The weight of your computer depends on the configuration that is ordered and manufacturing variability. Processor The following table lists the details of the processors that are supported for your Precision 5490. Table 5. Processor  Description Option one Option two...

  • Page 17: Chipset

    Chipset The following table lists the details of the chipset that is supported for your Precision 5490. Table 6. Chipset  Description Values Chipset Intel MTL-H Processor Intel Core Ultra 5/7/9 DRAM bus width 64-bit Flash EPROM 64 MB PCIe bus Up to Gen4.0...

  • Page 18: External Ports

    To learn more about the features of different types of M.2 cards, search in the Knowledge Base Resource at www.dell.com/support. Wireless module The following table lists the Wireless Local Area Network (WLAN) module that is supported on your Precision 5490. Table 10. Wireless module specifications  Description Values...

  • Page 19: Audio

    The version of the Bluetooth wireless card may vary depending on the operating system that is installed on your computer. Audio The following table lists the audio specifications of your Precision 5490. Table 11. Audio specifications  Description Values Audio controller...

  • Page 20: Media-Card Reader

    M.2 2280 Class 40 Self Encrypting Opal PCIe NVMe Gen4 x4 Up to 1 TB Media-card reader The following table lists the media cards that are supported on your Precision 5490. Table 13. Media-card reader specifications  Description Values Media-card type...
  • Page 21 Fn + F3 Operating system and application-specific F3 behavior Fn + F4 Operating system and application-specific F4 behavior Fn + F5 Operating system and application-specific F5 behavior Fn + F6 Operating system and application-specific F6 behavior Specifications of Precision 5490...

  • Page 22: Camera

    Fn + PgDn Page down Fn + Home Home Fn + End Camera The following table lists the camera specifications of your Precision 5490. Table 17. Camera specifications  Description Values Number of cameras Camera type HD RGB and IR camera...

  • Page 23: Touchpad

    For more information about touchpad gestures available on Windows, see the Microsoft Knowledge Base article at support.microsoft.com. Power adapter The following table lists the power adapter specifications of your Precision 5490. Table 19. Power adapter specifications  Description Option one Option two...

  • Page 24: Battery

    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. Battery The following table lists the battery specifications of your Precision 5490. Table 20. Battery specifications  Description...

  • Page 25: Display

    CAUTION: Dell Technologies recommends that you charge the battery regularly for optimal power consumption. If your battery charge is depleted, connect the power adapter, turn on your computer, and then restart your computer to reduce the power consumption.

  • Page 26: Fingerprint Reader

    Anti-glare vs glossy finish Anti-glare Anti-Reflection and Anti-Smudge on touch screen Fingerprint reader The following table lists the fingerprint-reader specifications of your Precision 5490. NOTE: The fingerprint reader is on the power button. Table 22. Fingerprint reader specifications  Description Values...

  • Page 27: Gpu-Integrated

    GPU—Integrated The following table lists the specifications of the integrated Graphics Processing Unit (GPU) supported by your Precision 5490. Table 24. GPU—Integrated  Controller Memory size Processor Intel Arc Graphics Shared system memory Intel Core Ultra 5/7/9 GPU—Discrete The following table lists the specifications of the discrete Graphics Processing Unit (GPU) supported by your Precision 5490.

  • Page 28: Smart-Card Reader

    Board Level Shield Tamper Detection Smart-card reader Contactless smart-card reader This section lists the contactless smart-card reader specifications of your Precision 5490. This module is only available in computers shipped with Smart-card readers. Table 28. Contactless smart-card reader specifications  Title...
  • Page 29 CCID driver compliance Common driver support for Integrated Circuit Card Interface Device for OS level drivers Dell ControlVault support Device connects to Dell ControlVault for usage and processing NOTE: 125 Khz proximity cards are not supported. Table 29. Supported cards ...
  • Page 30 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 Precision 5490...

  • Page 31: Contacted Smart-Card Reader

    Contacted smart-card reader The following table lists the contacted smart-card reader specifications of your Precision 5490. Table 30. Contacted smart-card reader specifications  Title Description Dell ControlVault 3 smart-card reader ISO 7816 -3 Class A Card Support Reader capable of reading 5V powered...

  • Page 32: Dell Support Policy

    ComfortView mode can be enabled and configured using the Dell CinemaColor application. ComfortView mode complies with TÜV Rheinland's requirement for low blue light displays. Low blue light: Dell ComfortView software technology reduces harmful blue light emissions to make extended screen time easy on your eyes.
  • Page 33 ● Faster computer wake-on-user approach ● Intelligently shows alerts ● Updates automatically to minimize disruption For more information about configuring and using these features, search for the Dell Optimizer User Guide at www.dell.com/ support. Specifications of Precision 5490...

  • Page 34: Chapter 4: Working Inside Your Computer

    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. See the safety instructions that is shipped with the product or at www.dell.com/regulatory_compliance.

  • Page 35: Safety Precautions

    Ensure that your computer is shut down and the AC adapter is disconnected. a. Hold the <B> key on the keyboard and press the power button for 3 seconds or until the Dell logo appears on the screen. b. Press any key to continue.

  • Page 36: Esd Field Service Kit

    Due to the increased density of semiconductors used in recent Dell products, the sensitivity to static damage is now higher than in previous Dell products. For this reason, some previously approved methods of handling parts are no longer applicable. Two recognized types of ESD damage are catastrophic and intermittent failures.

  • Page 37: Transporting Sensitive Components

    It is recommended to always use the traditional wired ESD grounding wrist strap and protective anti-static mat when servicing Dell products. In addition, it is critical to keep sensitive parts separate from all insulator parts while performing service and use anti-static bags for transporting sensitive components.

  • Page 38: Screw List

    ● Plastic scribe Screw list NOTE: When removing screws from a component, it is recommended to note the screw type, and the quantity of screws, and then place them in a screw storage box. This is to ensure that the correct number of screws and correct screw type is restored when the component is replaced.
  • Page 39 Table 32. Screw list (continued) Component Screw type Quantity Screw image Heat-sink for discrete graphics Captive screw Figure 15. Captive screw Audio jack M2x4 M1.6x3 Figure 16. M2x4 Figure 17. M1.6x3 Speakers M1.6x1.8 Figure 18. M1.6x1.8 Smart-card reader M1.6x1.7 Figure 19. M1.6x1.7 Display assembly M2.5x5 T5, M1.4x4...

  • Page 40: Major Components Of Precision 5490

    Power button board with M1.6x2 fingerprint reader Figure 25. M1.6x2 USH board M1.4x1.2 Figure 26. M1.4x1.2 WLAN antennas M1.4x2.5 Figure 27. M1.4x2.5 Major components of Precision 5490 The following image shows the major components of Precision 5490. Working inside your computer...
  • Page 41 Working inside your computer...
  • Page 42 14. Left fan 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 43: Chapter 5: 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 44 Figure 28. Removing the base cover Removing and installing Field Replaceable Units (FRUs)
  • Page 45 Figure 29. Removing the base cover Removing and installing Field Replaceable Units (FRUs)
  • Page 46 Figure 30. Removing the base cover Steps 1. Remove the eight torx screws (T5, M2x3) that secure the base cover to the computer. 2. Use a scribe to pry from the gap at the bottom-left corner of the base cover. Then slide the scribe towards the middle of the bottom side, and then the left side of the computer to disengage the clips.

  • Page 47: Installing The Base Cover

    Figure 31. Do not pry from the top side of the base cover CAUTION: Only use the plastic scribe to disengage and release the clips with the prying motion along the edges of the base cover. Do not use your fingers. 3.
  • Page 48 Figure 32. Installing the base cover Removing and installing Field Replaceable Units (FRUs)

  • Page 49: M.2 Solid State Drive

    Figure 33. Installing the base cover Steps 1. Connect the battery cable to the connector on the system board. 2. Slide the base cover into its slot until it clicks into place and replace the eight torx screws (T5, M2x3) to secure the base cover to the computer.
  • Page 50 About this task The figure indicates the location of the M.2 2230 solid state drive and provides a visual representation of the removal procedure. Figure 34. Removing the M.2 2230 solid-state drive Steps 1. Remove the screw (M2x2) that secures the SSD thermal plate to the M.2 2230 solid state drive bracket. 2.

  • Page 51: Installing The M.2 2230 Solid-State Drive

    4. Remove the screw (M2x2) that secures the M.2 2230 solid state drive to the M.2 2230 solid state drive bracket. 5. Lift to remove M.2 2230 solid state drive from the M.2 2230 solid state drive bracket. Installing the M.2 2230 solid-state drive CAUTION: The information in this installation section is intended for authorized service technicians only.
  • Page 52 Figure 35. Installing the M.2 2230 solid-state drive Steps 1. Align and place the M.2 2230 solid-state drive on the M.2 2230 solid-state drive bracket. NOTE: Install the M.2 2230 solid-state drive to the SSD bracket so that the top side (with the sticker) of the M.2 2230 solid-state drive is facing up.

  • Page 53: Removing The M.2 2280 Solid State Drive

    4. Slide the thermal plate into place over the SSD so that the tab on the plate is inserted into the securing peg on the system board. 5. Replace the screw (M2x2) that secures the SSD thermal plate to the M.2 2230 solid state drive bracket. Next steps 1.

  • Page 54: Installing The M.2 2280 Solid State Drive

    2. Lift to remove the SSD thermal plate away from the computer. 3. Lift the M.2 2280 solid state drive at an angle and slide to remove from its slot on the system board. Installing the M.2 2280 solid state drive CAUTION: The information in this installation section is intended for authorized service technicians only.

  • Page 55: Battery

    ● If the battery gets stuck inside your computer as a result of swelling, do not try to release it as puncturing, bending, or crushing a rechargeable Li-ion battery can be dangerous. In such an instance, contact Dell technical support for assistance. See www.dell.com/contactdell.

  • Page 56: Installing The Battery

    Figure 38. Removing the battery Steps 1. Disconnect the battery cable from the connector on the system board. 2. Unroute the WLAN antennas from the routing guides on the battery. 3. Remove the five screws (M2x4) that secure the battery to the palm-rest and keyboard assembly. 4.

  • Page 57: Processor Fan

    Figure 39. Installing the battery Steps 1. Place the battery onto its slot in the palm-rest and keyboard assembly. 2. Replace the five screws (M2x4) to secure the battery to the palm-rest and keyboard assembly. 3. Route the WLAN antennas using the routing guides on the battery. 4.

  • Page 58: Installing The Processor Fan

    Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the base cover. About this task The following images indicate the location of the processor fan and provide a visual representation of the removal procedure. Figure 40. Removing the processor fan Steps 1.

  • Page 59: Graphics-Card Fan

    About this task The following images indicate the location of the processor fan and provide a visual representation of the installation procedure. Figure 41. Installing the processor fan Steps 1. Align the screw holes on the processor fan with the screw holes on the palm-rest and keyboard assembly. 2.

  • Page 60: Installing The Graphics-Card Fan

    2. Remove the base cover. About this task The following images indicate the location of the graphics-card fan and provide a visual representation of the removal procedure. Figure 42. Removing the graphics-card fan Steps 1. Carefully peel off the tweeter speaker from its compartment next to the fan connector to create more space to disconnect the fan cable.

  • Page 61: Heat Sink

    Figure 43. Removing the graphics-card fan Steps 1. Align the screw holes on the graphics-card fan with the screw holes on the palm-rest and keyboard assembly. 2. Replace the two screws (M2x4) that secure the graphics-card fan to the palm-rest and keyboard assembly. 3.

  • Page 62: Installing The Heat Sink For Integrated Graphics

    About this task The figure indicates the location of the heat sink and provides a visual representation of the removal procedure. Figure 44. Removing the heat sink for integrated graphics Steps 1. Loosen the four captive screws that secure the heat sink to the system board. NOTE: Loosen the captive screws in the order that is marked on the heat sink assembly next to the screws [4 >...

  • Page 63: Removing The Heat Sink For Discrete Graphics

    Figure 45. Installing the heat sink for integrated graphics Steps 1. Align and insert the heat sink into its slot on the system board. 2. Tighten the four captive screws that secure the heat sink to the system board. NOTE: Tighten the captive screws in the order that is marked on the heat sink next to the screws [1 >...

  • Page 64: Installing The Heat Sink For Discrete Graphics

    About this task The figure indicates the location of the heat sink and provides a visual representation of the removal procedure. Figure 46. Removing the heat sink for discrete graphics Steps 1. Loosen the five captive screws that secure the heat sink to the system board. NOTE: Loosen the captive screws in the order that is marked on the heat sink assembly next to the screws [5 >...

  • Page 65: Audio Jack

    Figure 47. Installing the heat sink for discrete graphics Steps 1. Align and insert the heat sink into its slot on the system board. 2. Tighten the five captive screws that secure the heat sink to the system board. NOTE: Tighten the captive screws in the order that is marked on the heat sink next to the screws [1 >...

  • Page 66: Installing The Audio Jack

    2. Remove the base cover. About this task The following images indicate the location of the audio jack and provide a visual representation of the removal procedure. Figure 48. Removing the audio jack Steps 1. Remove the three screws (M2x4) that secure the left USB Type-C bracket to the system board. 2.

  • Page 67: Speakers

    Figure 49. Installing the audio jack Steps 1. Align and place the audio jack in its slot on the palm-rest and keyboard assembly. 2. Connect the audio-jack FPC to the connector on the system board. 3. Replace the screw (M1.6x3) to secure the audio jack to the system board. 4.
  • Page 68 About this task The figure indicates the location of the speaker and provides a visual representation of the removal procedure. Figure 50. Removing the speaker Steps 1. Disconnect the left and right speaker cables from the connectors on the system board. 2.

  • Page 69: Installing The Speaker

    5. Lift to remove the left and right speakers from the palm-rest and keyboard assembly. Installing the speaker 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 figure indicates the location of the speakers and provides a visual representation of the installation procedure.
  • Page 70 Figure 51. Installing the speaker Steps 1. Align and place the left and right speakers into its slot on the palm-rest and keyboard assembly. 2. Route the left and right tweeter speakers using the routing guides on the system board. 3.

  • Page 71: Smart-Card Reader

    Next steps 1. Install the battery. 2. Install the base cover. 3. Follow the procedure in After working inside your computer. Smart-card reader Removing the smart-card reader CAUTION: The information in this removal section is intended for authorized service technicians only. Prerequisites 1.

  • Page 72: Installing The Smart-Card Reader

    Installing the smart-card reader CAUTION: The information in this installation section is intended for authorized service technicians only. Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The figure indicates the location of the smart-card reader and provides a visual representation of the installation procedure. Figure 53.

  • Page 73: Display Assembly

    Display assembly Removing the display 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 base cover. About this task The figure indicates the location of the display assembly and provides a visual representation of the removal procedure. Removing and installing Field Replaceable Units (FRUs)
  • Page 74 Figure 54. Removing the display assembly Removing and installing Field Replaceable Units (FRUs)
  • Page 75 Figure 55. Removing the display assembly Steps 1. Remove the two Torx screws (T5, M1.4x4) that secure the display FPC holder to the system board. 2. Remove the two Torx screws (T5, M1.4x4) that secure the display FPC to the system board. 3.

  • Page 76: Installing The Display Assembly

    4. Remove the six screws (M2.5x5) that secure the display hinges to the palm-rest and keyboard assembly. 5. Slide the bottom assembly slightly to the left and then move it away from the display assembly. NOTE: The display assembly is a Hinge-Up Design (HUD) assembly and cannot be further disassembled once it is removed from the bottom chassis.
  • Page 77 Figure 56. Installing the display assembly Removing and installing Field Replaceable Units (FRUs)
  • Page 78 Figure 57. Installing the display assembly Steps 1. Align the screw holes on the display hinges to the screw holes on the palm-rest and keyboard assembly. 2. Replace the six screws (M2.5x5) to secure the display assembly to the palm-rest and keyboard assembly. 3.

  • Page 79: System Board

    System board Removing the system 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 base cover. 3. Remove the M.2 2230 solid state drive M.2 2280 solid state drive.
  • Page 80 Figure 59. Connectors on your system board 1. Power button with fingerprint reader FPC connector 2. Audio jack FPC connector 3. Processor-fan cable connector 4. Left tweeter speaker cable connector 5. Integrated WLAN card 6. Battery LED FPC connector 7. Battery cable connector 8.
  • Page 81 Figure 60. Removing the system board Removing and installing Field Replaceable Units (FRUs)
  • Page 82 Figure 61. Removing the system board Removing and installing Field Replaceable Units (FRUs)
  • Page 83 Figure 62. Removing the system board Steps 1. Remove the four Torx screws (T5, M1.4x4) that secure the display FPC holder and display FPC to the system board. 2. Disconnect the display FPC from the system board and remove the interposer board. CAUTION: Technicians must remove the interposer board immediately after disconnecting the display FPC to prevent the board from falling out of the computer during subsequent removal procedures.

  • Page 84: Installing The System Board

    13. Remove the system board from the palm-rest and keyboard assembly. 14. Remove the USB Type-C bracket from the upper-right side of the system board. NOTE: The new replacement system board is preassembled with the USB Type-C brackets. Only the USB Type-C bracket at the upper-right side of the system board must be removed.
  • Page 85 Figure 64. Connectors on your system board Removing and installing Field Replaceable Units (FRUs)
  • Page 86 Figure 65. Connectors on your system board 1. Power button with fingerprint reader FPC connector 2. Audio jack FPC connector 3. Processor-fan cable connector 4. Left tweeter speaker cable connector 5. Integrated WLAN card 6. Battery LED FPC connector 7. Battery cable connector 8.
  • Page 87 Figure 66. Installing the system board Removing and installing Field Replaceable Units (FRUs)
  • Page 88 Figure 67. Installing the system board Removing and installing Field Replaceable Units (FRUs)
  • Page 89 Figure 68. Installing the system board Steps 1. Align the screw holes on the USH board FPC (for models that are shipped with a USH board) and touchpad FPC. 2. Replace the four screws (M1.4x1.2) to secure the USH board FPC (for models that are shipped with a USH board) and touchpad FPC to the system board.

  • Page 90: Power Button With Fingerprint Reader

    5. Install the battery. 6. Install the M.2 2230 solid state drive M.2 2280 solid state drive. 7. Install the base cover. 8. Follow the procedure in After working inside your computer. Power button with fingerprint reader Removing the power-button board with a fingerprint reader CAUTION: The information in this removal section is intended for authorized service technicians only.

  • Page 91: Installing The Power-Button Board With A Fingerprint Reader

    2. Remove the fingerprint-reader bracket from the power-button board. 3. Remove the power-button board with power-button FPC from the palm-rest and keyboard assembly. Installing the power-button board with a fingerprint reader CAUTION: The information in this installation section is intended for authorized service technicians only. Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.

  • Page 92: Ush-Board Fpc

    USH-board FPC Removing the USH-board FPC 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 base cover. 3. Remove the M.2 2230 solid state drive M.2 2280 solid state drive.

  • Page 93: Wlan Antennas

    Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The figure indicates the location of the USH-board FPC and provides a visual representation of the installation procedure. Figure 72. Installing the USH-board FPC Steps 1.
  • Page 94 3. Remove the M.2 2230 solid state drive M.2 2280 solid state drive. 4. Remove the battery. 5. Remove the processor fan. 6. Remove the graphics-card fan. 7. Remove the audio jack. 8. Remove the system board. NOTE: The system board can be removed or installed together with the heat-sink attached. This simplifies the procedure and avoids breaking the thermal bond between the system board and the heat-sink.

  • Page 95: Installing The Wlan Antennas

    3. Peel the adhesives securing the auxiliary and main antennas to the palm-rest and keyboard assembly. 4. Unroute the auxiliary and main antennas from the routing guides on the palm-rest and keyboard assembly. 5. Lift to remove the auxiliary and main antennas from the palm-rest and keyboard assembly. Installing the WLAN antennas CAUTION: The information in this installation section is intended for authorized service technicians only.

  • Page 96: Palm-Rest And Keyboard Assembly

    Steps 1. Align and place the auxiliary and main antennas into its slot on the palm-rest and keyboard assembly. 2. Reroute the auxiliary and main antennas using the routing guides on the palm-rest and keyboard assembly. 3. Adhere the tapes securing the auxiliary and main antennas to the palm-rest and keyboard assembly. 4.

  • Page 97: Installing The Palm-Rest And Keyboard Assembly

    Figure 75. Removing the palm-rest and keyboard assembly Steps After performing the steps in the pre-requisites, we are left with the palm-rest and keyboard assembly. Installing the palm-rest and keyboard 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 98 Figure 76. Installing the palm-rest and keyboard assembly Steps 1. Place the palm-rest assembly on a flat surface. 2. Perform the steps in the postrequisites. Next steps 1. Install the WLAN antennas. 2. Install the power-button board with finger print reader.

  • Page 99: Chapter 6: Software

    ● Windows 11 23H2 ● Windows 11 22H2 ● Windows 10 22H2 ● Ubuntu Linux 22.04, 64-bit 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 100: Chapter 7: Technology And Components

    Technology and components NOTE: Instructions that are provided in the following section are applicable on computers that are shipped with the Windows operating system. Windows is factory-installed with this computer. Intel Arc Graphics The following table lists the Intel Arc Graphics specifications. Table 33.

  • Page 101: Chapter 8: 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 its installed devices, the items that are listed in this section may or may not be displayed.

  • Page 102: View Advanced Setup Options

    NOTE: It is recommended to shut down the computer, if it is on. The F12 One Time Boot menu displays the devices that you can boot from including the diagnostic option. The boot menu options are: ● Removable Drive (if available) ●...
  • Page 103 Table 35. System Setup options—Overview menu  Overview Precision 5490 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.
  • Page 104 Table 35. System Setup options—Overview menu (continued) Overview NOTE: To view this option, enable Advanced Setup mode as described in View Advanced Setup options. 64-Bit Technology Displays whether 64-bit technology is used. MEMORY Information Memory Installed Displays the total computer memory installed. Memory Available Displays the total computer memory available.
  • Page 105 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 106 Table 37. 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. Audio Enable Audio Enables all integrated audio controller. By default, all the options are enabled.
  • Page 107 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 108 Table 38. System Setup options—Storage menu (continued) Storage Port Enablement Enables or disables the M.2 PCIe SSD option. By default, the M.2 PCIe SSD-0 option is enabled. Smart Reporting Enables or disables the Smart reporting option. By default, the Smart Reporting option is disabled. NOTE: To view this option, enable Advanced Setup mode as described in View Advanced Setup...
  • Page 109 Table 40. System Setup options—Connection menu (continued) Connection Bluetooth Enables or disables the internal Bluetooth device. By default, the Bluetooth option is enabled. Enable UEFI Network Stack Enables or disables the UEFI Network Stack and controls the onboard LAN Controller. By default, the Enable UEFI Network Stack option is enabled. NOTE: To view this option, enable Advanced Setup mode as described in View Advanced Setup...
  • Page 110 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. NOTE:...
  • Page 111 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 112 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 113 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. Hard Drive Password The hard drive password can be set to prevent unauthorized access of the data stored on the solid-state drive.
  • Page 114 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 115 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 116 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 117 Table 45. System Setup options—System Management menu (continued) System Management Power-On-Self-Test Automatic Enable or disable the automatic recovery of the computer from no power or Recovery no-POST failure by applying mitigation steps. By default, the Power-On-Self-Test Automatic Recovery option is enabled. NOTE: To view this option, enable Advanced Setup mode as described in View Advanced Setup...
  • Page 118 Table 47. System Setup options—Pre-boot Behavior menu (continued) Pre-boot Behavior Warnings and Errors Enables or disables the action to be taken when a warning or error is encountered. By default, the Prompt on Warnings and Errors option is selected. Stop, prompt, and wait for user input when warnings or errors are detected. NOTE: Errors deemed critical to the operation of the computer hardware stop the functioning of the computer.
  • Page 119 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 120 Table 49. System Setup options—Performance menu (continued) Performance Enable Adaptive C-States for Discrete Allows the computer to dynamically detect high usage of a discrete graphics and Graphics adjusts the computer parameters for higher performance during that time period. By default, the Enable Adaptive C-States for Discrete Graphics option is enabled.

  • Page 121: Updating The Bios

    Updating the BIOS in Windows to download the latest BIOS setup program file. 2. Create a bootable USB drive. For more information, search in the Knowledge Base Resource at www.dell.com/support. 3. Copy the BIOS setup program file to the bootable USB drive.

  • Page 122: Updating The Bios From The F12 One-Time Boot Menu

    One-Time boot menu on the computer. Most of the Dell computers built after 2012 have this capability, and you can confirm by booting your computer to the F12 One-Time Boot Menu to see if BIOS FLASH UPDATE is listed as a boot option for your computer. If the option is listed, then the BIOS supports this BIOS update option.

  • Page 123: Assigning A System Setup Password

    CAUTION: The password features provide a basic level of security for the data on your computer. CAUTION: Anyone can access the data that is stored on your computer, when not locked and left unattended. NOTE: System and setup password feature is disabled. Assigning a System Setup password Prerequisites You can assign a new System or Admin Password only when the status is in Not Set.

  • Page 124: Clearing Bios (System Setup) And System Passwords

    Clearing BIOS (System Setup) and System passwords About this task To clear the system or BIOS passwords, contact Dell technical support as described at www.dell.com/contactdell. NOTE: For information about how to reset Windows or application passwords, see the documentation accompanying Windows or your application.
  • Page 125 Figure 78. BIOS-Setup If Block Boot Until Cleared is set to OFF, select Continue to boot up or BIOS-Setup to clear the alert. BIOS Setup...
  • Page 126 Figure 79. BIOS-Setup NOTE: If Continue is selected, the user continues 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 submenu of the BIOS setup menu. BIOS Setup...
  • Page 127 Figure 80. Clear Intrusion Warning BIOS Setup...

  • Page 128: 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 129: 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 130: 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 131: System-Diagnostic Lights

    System-diagnostic lights This section lists the system-diagnostic lights of your Precision 5490. Table 53. System-diagnostic lights  Blinking pattern Amber White Problem description Suggested resolution TPM detection failure Replace the system board. Unrecoverable SPI Flash Replace the system board. Failure Short in hinge cable tripped...
  • Page 132 HECI message. NOTE: Blinking 3-3-3 LEDs on Lock LED (Caps-Lock or Num-Lock), Power button LED (without Fingerprint reader), and Diagnostic LED indicates failure to provide input during LCD panel test on Dell SupportAssist Pre-boot System Performance Check diagnostics. Troubleshooting...

  • Page 133: Recovering The Operating System

    It enables you to diagnose hardware issues, repair your computer, back up your files, or 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 their primary operating system due to software or hardware failures.
  • Page 134 6. Install the battery. 7. Install the base cover. 8. Connect the power adapter to your computer. 9. Turn on your computer. NOTE: For more information about performing a hard reset, search in the Knowledge Base Resource at www.dell.com/ support. Troubleshooting...

  • Page 135: 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 54. Self-help resources  Self-help resources Resource location Information about Dell products and services www.dell.com Tips Contact Support In Windows search, type Contact Support, and press Enter.

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