Dell Inspiron 16 5640 Owner's Manual
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Dell Inspiron 16 5640 Owner's Manual

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Inspiron 16 5640
Owner's Manual
Regulatory Model: P131F
Regulatory Type: P131F001
October 2024
Rev. A03

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Summary of Contents for Dell Inspiron 16 5640

  • Page 1 Inspiron 16 5640 Owner's Manual Regulatory Model: P131F Regulatory Type: P131F001 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

    Left......................................7 Top......................................8 Front....................................... 9 Bottom....................................10 Service Tag...................................11 Battery-charge status light.............................. 11 Chapter 2: Set up your Inspiron 16 5640..................12 Chapter 3: Specifications of Inspiron 16 5640................14 Dimensions and weight..............................14 Processor..................................... 14 Chipset....................................15 Memory....................................15 External ports and slots..............................16...
  • Page 4 After working inside your computer........................30 BitLocker..................................30 Recommended tools................................. 30 Screw list....................................31 Major components of Inspiron 16 5640........................32 Chapter 5: Removing and installing Customer Replaceable Units (CRUs)........34 Base cover..................................34 Removing the base cover............................34 Installing the base cover ............................36 Memory module.................................
  • Page 5 Deleting or changing an existing system setup password................101 Clearing system and setup passwords........................101 Chapter 9: Troubleshooting....................... 102 Handling swollen rechargeable Li-ion batteries......................102 Dell SupportAssist Pre-boot System Performance Check diagnostics.............. 102 Running the SupportAssist Pre-Boot System Performance Check.............. 103 Built-in self-test (BIST)..............................103 (Motherboard Built-In Self-Test) M-BIST......................103 Logical Built-in Self-test (L-BIST).........................104...
  • Page 6 Recovering the operating system..........................105 Backup media and recovery options........................... 106 Network power cycle..............................106 Drain flea power (perform hard reset)........................106 Chapter 10: Getting help and contacting Dell................108 Contents...

  • Page 7: Chapter 1: Views Of Inspiron 16 5640

    Views of Inspiron 16 5640 Right Figure 1. Right view 1. SD-card slot Reads from and writes to the SD card. The computer supports the following card types: ● Secure Digital (SD) ● Secure Digital High Capacity (SDHC) ● Secure Digital Extended Capacity (SDXC) 2.

  • Page 8: Top

    When the computer is turned on, press the power button to put the computer into a sleep state; press and hold the power button for 10 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. Views of Inspiron 16 5640...

  • Page 9: Front

    Provides digital sound input for audio recording and voice calls. 2. Privacy shutter Slide the privacy shutter to cover the camera lens and protect your privacy when the camera is not in use. 3. Camera Views of Inspiron 16 5640...

  • Page 10: Bottom

    1. Right speaker Provides audio output. 2. Service Tag label The Service Tag is a unique alphanumeric identifier that enables Dell service technicians to identify the hardware components in your computer and access warranty information. 3. Air vents Air vents provide ventilation for your computer. Clogged air vents can cause overheating and can affect your computer's performance and potentially cause hardware issues.

  • Page 11: Service Tag

    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. Figure 7. Service Tag location Battery-charge status light The following table lists the battery-charge status light of your Inspiron 16 5640.

  • Page 12: Chapter 2: Set Up Your Inspiron 16 5640

    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 13 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. The following options can be customized in MyDell: ●...

  • Page 14: Chapter 3: Specifications Of Inspiron 16 5640

    ● Maximum: 2.14 kg (4.72 lb) the configuration that is ordered and manufacturing variability. Processor The following table lists the details of the processors that are supported in your Inspiron 16 5640. Table 5. Processor  Description Option one Option two...

  • Page 15: Chipset

    12 MB 12 MB Integrated graphics Intel Graphics Intel Graphics Intel Graphics Chipset The following table lists the details of the chipset that is supported in your Inspiron 16 5640. Table 6. Chipset  Description Values Chipset Integrated Processor Intel Core 5/7...

  • Page 16: External Ports And Slots

    ● 24 GB: 1 x 8 GB + 1 x 16 GB, DDR5, 5200 MT/s, dual- channel ● 32 GB: 2 x 16 GB, DDR5, 5200 MT/s, dual-channel External ports and slots The following table lists the external ports and slots on your Inspiron 16 5640. Table 8. External ports and slots  Description Values USB ports ●...

  • Page 17: Wireless Module

    Wireless module The following table lists the Wireless Local Area Network (WLAN) modules that are supported on your Inspiron 16 5640. Table 10. Wireless module specifications  Description Option one Option two Model number Realtek RTL8852BE Realtek RTL8852CE Transfer rate 1.20 Gbps 2.40 Gbps...

  • Page 18: Storage

    M.2 2230 PCIe NVMe Class 25 solid- Gen 4 PCIe NVMe Up to 1 TB state drive Media-card reader The following table provides the specification of media cards supported by your Inspiron 16 5640. Table 13. Media-card reader specifications  Description Values Media-card slot type...

  • Page 19: Keyboard Function Keys

    The fn key is also used with selected keys on the keyboard to invoke other secondary functions. Table 16. Secondary behavior  Function key Secondary behavior fn + F1 Operating system and application-specific F1 behavior fn + F2 Operating system and application-specific F2 behavior Specifications of Inspiron 16 5640...

  • Page 20: Camera

    Home (move to the beginning of the document) fn + right arrow End (move to the end of the document) Camera The following table lists the camera specifications of your Inspiron 16 5640. Table 17. Camera specifications  Description Values Number of cameras...

  • Page 21: Touchpad

    ● Windows, see the Microsoft Knowledge Base article at Microsoft Support Site. ● Ubuntu, see Ubuntu Support Site. Power adapter The following table lists the power adapter specifications of your Inspiron 16 5640. Table 19. Power-adapter specifications  Description Values Type 65 W Power-adapter dimensions: Height 108 mm (4.25 in.)

  • Page 22: Battery

    Battery The following table lists the battery specifications of your Inspiron 16 5640. Table 20. Battery specifications  Description Option one Option two Battery type 4-cell, 54 Wh, Lithium Ion Polymer, 4-cell, 64 Wh, Lithium Ion Polymer, ExpressCharge ExpressCharge Battery voltage 15 VDC 15.20 VDC...
  • Page 23 ● +/- 80 degrees, minimum minimum minimum minimum Pixel pitch 0.18 mm 0.18 mm 0.18 mm 0.13 mm Power consumption 4.20 W 4.40 W 4.73 W (maximum) Anti-glare vs glossy Anti-Glare Anti-Glare Glare Anti-Glare finish Touch options Specifications of Inspiron 16 5640...

  • Page 24: Fingerprint Reader (Optional)

    Supported external displays with laptop display enabled laptop display disabled Intel Graphics GPU—Discrete The following table lists the specifications of the discrete Graphics Processing Unit (GPU) supported by your Inspiron 16 5640. Table 26. GPU—Discrete  Controller Memory size Memory type...

  • Page 25: External Display Support

    External display support The following table lists the external display support for your Inspiron 16 5640. Table 27. External display support  Graphics card Supported external displays with Supported external displays with laptop display enabled laptop display disabled NVIDIA GeForce MX570A Hardware security The following table lists the hardware security of your Inspiron 16 5640.

  • Page 26: Comfortview

    Dell ComfortView software technology reduces harmful blue light emissions to make extended screen time easy on your eyes. ComfortView mode can be enabled and configured using the Dell CinemaColor application.

  • Page 27: 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 28: 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 29: 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 30: 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 31: 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 32: Major Components Of Inspiron 16 5640

    Major components of Inspiron 16 5640 The following image shows the major components of Inspiron 16 5640. Working inside your computer...
  • Page 33 16. Power button with optional fingerprint reader NOTE: Dell provides a list of components and their part numbers for the original computer configuration purchased. These parts are available according to warranty coverage purchased by the customer. Contact your Dell sales representative for purchase options.

  • Page 34: 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. Base cover Removing the base cover Prerequisites...
  • Page 35 Figure 9. Removing the base cover Removing and installing Customer Replaceable Units (CRUs)

  • Page 36: Installing The Base Cover

    Figure 10. Removing the base cover Steps 1. Remove the six (M2x5.5) screws and loosen the two captive screws that secure the base cover to the palm-rest and keyboard assembly. 2. Using a plastic scribe, pry open the base cover starting from the recesses, which are located in the U-shaped indents at the top edge of the base cover, near the hinges.
  • Page 37 Figure 11. Installing the base cover Removing and installing Customer Replaceable Units (CRUs)
  • Page 38 Figure 12. Installing the base cover Steps 1. Place the base cover on top of the palm-rest and keyboard assembly. 2. Align the screw holes on the base cover with the screw holes on the palm-rest and keyboard assembly, and snap the base cover latches into place.

  • Page 39: Memory Module

    Memory module Removing the memory module 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 memory module and provide a visual representation of the removal procedure. Figure 13.

  • Page 40: Installing The Memory Module

    Steps 1. Lift the Mylar to access the memory module. 2. Pull the retention clips from both sides of the memory module until the memory module pops-up. 3. Hold the card by the sides, slide, and remove it from the memory-module slot (DIMM A DDR5 ONLY). NOTE: Repeat step 1 to step 3 to remove the memory module from the second slot (DIMM B DDR5 ONLY).

  • Page 41: Solid-State Drive (Ssd)

    CAUTION: To prevent damage to the memory module, hold the memory module by the edges. Do not touch the components or metallic contacts on the memory module as electrostatic discharge (ESD) can inflict severe damage on the components. To read more about ESD protection, see protection.

  • Page 42: Installing The Solid-State Drive

    Steps 1. Remove the three (M2x3.5) screws that secure the solid-state drive thermal shield and the solid-state drive to the palm-rest and keyboard assembly. 2. Slide and remove the solid-state drive thermal shield along with the solid-state drive to disconnect it from the connector (SSD) on the system board.

  • Page 43: Wireless Card

    Wireless card Removing the wireless card 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 wireless card and provide a visual representation of the removal procedure. Figure 17.

  • Page 44: Installing The Wireless Card

    Installing the wireless card Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following images indicate the location of the wireless card and provide a visual representation of the installation procedure. Figure 18.

  • Page 45: Speakers

    Table 31. Antenna-cable color scheme  Connector on the Antenna-cable color Silkscreen marking wireless card △ (white triangle) Main White MAIN Auxiliary Black ▲ (black triangle) 4. Place the wireless-card bracket on the wireless card. 5. Align the screw hole on the wireless-card bracket with the screw hole on the system board. 6.
  • Page 46 Figure 20. Removing the speakers Steps 1. Disconnect the battery cable from the connector (BATT) on the system board. 2. Disconnect the speaker cable from the connector (SPK) on the system board. CAUTION: To disconnect the speaker cable from the system board, pry the base of the cable connector’s head first and then pull it away from the connector (SPK) on the system board.

  • Page 47: Installing The Speakers

    Figure 21. Disconnecting the speaker cable 3. Remove the speaker cable from the routing guides on palm-rest and keyboard assembly. 4. Lift the speakers, along with the cable, off the palm-rest and keyboard assembly. Installing the speakers Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following image indicates the location of the speakers and provides a visual representation of the installation procedure.
  • Page 48 Figure 22. Installing the speakers Figure 23. Connecting the battery cable NOTE: If the rubber grommets are pushed out when removing the speakers, push them back in before replacing the speakers. Removing and installing Customer Replaceable Units (CRUs)

  • Page 49: Fan

    Steps 1. Using the alignment posts and rubber grommets, place the speakers in the slots on the palm-rest and keyboard assembly. NOTE: Ensure that the rubber grommets on the speakers are threaded through the alignment posts and the four rubber grommets are seated into the slot and installed on the speakers properly.

  • Page 50: Installing The Fan

    Figure 25. Removing the fan Steps 1. Disconnect the fan cable from the connector (FAN) on the system board. 2. Remove the two (M2x5.5) screws that secure the fan to the palm-rest and keyboard assembly. 3. Lift the fan, along with the fan cable, off the palm-rest and keyboard assembly. Installing the fan Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.
  • Page 51 Figure 26. Installing the fan Steps 1. Place and align the fan, along with fan cable, in the slot on the palm-rest and keyboard assembly. CAUTION: Avoid touching the fan blades to prevent damage. 2. Align the screw holes on the fan with the screw holes on the palm-rest and keyboard assembly. 3.

  • Page 52: 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 53: Disconnecting The Battery Cable

    Prerequisites 1. Follow the procedure in Before working inside your computer. 2. 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 27. Removing the battery Steps 1.

  • Page 54: Connecting The Battery Cable

    Figure 28. Disconnecting the battery cable Steps 1. Remove the battery cable from the routing guides on the battery. CAUTION: Do not pull the battery cable to disconnect it from the battery. This may damage the battery or the battery cable. 2.

  • Page 55: Installing The Battery

    Figure 29. Connecting the battery cable Steps 1. Align and place the battery cable on the battery. 2. Route the battery cable through the routing guides on the battery. 3. Connect the battery cable to the connector on the battery and press down on the cable-connector latch to secure the cable in place.
  • Page 56 Figure 30. Installing the battery NOTE: Battery and battery cable are separate serviceable parts. If battery replacement is required, reuse the same battery cable. To connect the battery cable, see Connecting the battery cable. Steps 1. Place the battery, along with the battery cable, in the slot on the palm-rest and keyboard assembly. 2.

  • Page 57: Heat Sink

    Heat sink Removing the heat sink - for computers shipped with an integrated graphics card CAUTION: The information in this section is intended for authorized service technicians only. Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the base cover.

  • Page 58: Installing The Heat Sink - For Computers Shipped With An Integrated Graphics Card

    Installing the heat sink - for computers shipped with an integrated graphics card CAUTION: The information in this section is intended for authorized service technicians only. Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following image indicates the location of the integrated heat sink and provides a visual representation of the installation procedure.

  • Page 59: Removing The Heat Sink - For Computers Shipped With A Discrete Graphics Card

    Removing the heat sink - for computers shipped with a discrete graphics card CAUTION: The information in this section is intended for authorized service technicians only. Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the base cover.

  • Page 60: Installing The Heat Sink - For Computers Shipped With A Discrete Graphics Card

    Installing the heat sink - for computers shipped with a discrete graphics card CAUTION: The information in this section is intended for authorized service technicians only. Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following image indicates the location of the discrete heat sink and provides a visual representation of the installation procedure.

  • Page 61: Touchpad

    2. Follow the procedure in After working inside your computer. Touchpad Removing the touchpad CAUTION: The information in this section is intended for authorized service technicians only. Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the base cover.

  • Page 62: Installing The Touchpad

    Steps 1. Unroute the speaker cable from the routing guides on the palm-rest and keyboard assembly. 2. Lift the cable-connector latch, disconnect the touchpad cable from the connector (TP) on the system board, and remove the touchpad cable. 3. Remove the five (M2x2.3) screws that secure the touchpad bracket to the palm-rest and keyboard assembly. 4.
  • Page 63 Figure 37. Installing the touchpad NOTE: Ensure that the touchpad is aligned with the guides on the palm-rest and keyboard assembly, and the gap on either side of the touchpad is equal. Steps 1. Align and place the touchpad, along with the touchpad cable, in the slot on the palm-rest and keyboard assembly. 2.

  • Page 64: I/O-Board Cable

    I/O-board cable Removing the I/O-board cable CAUTION: The information in this 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 fan. About this task The following image indicates the location of the I/O-board cable and provides a visual representation of the removal procedure.

  • Page 65: Wlan Board

    About this task The following image indicates the location of the I/O-board cable and provides a visual representation of the installation procedure. Figure 39. Installing the I/O-board cable Steps 1. Connect the I/O-board cable to the connector on the I/O board and press down the cable-connector latch to secure the cable in place.

  • Page 66: Installing The I/O Board

    Figure 40. Removing the I/O board Steps 1. Remove the three (M2.5x5) screws that secure the left-display hinge to the palm-rest and keyboard assembly. 2. Using a plastic scribe, lift and open the left-display hinge to an angle of 90 degrees from the palm-rest and keyboard assembly to access the I/O board.
  • Page 67 Figure 41. Installing the I/O board Steps 1. Carefully slide and place the I/O board on the palm-rest and keyboard assembly. 2. Align the ports on the I/O board with the port slots on the palm-rest and keyboard assembly. 3. Replace the three screws (M2x3.5) to secure the I/O board to the palm-rest and keyboard assembly. 4.

  • Page 68: Display Assembly

    Display assembly Removing the display assembly CAUTION: The information in this section is intended for authorized service technicians only. CAUTION: The maximum operating angle for the display-panel hinge is 135 degrees. Prerequisites 1. Follow the procedure in Before working inside your computer.
  • Page 69 Figure 43. Removing the display assembly Removing and installing Field Replaceable Units (FRUs)

  • Page 70: Installing The Display Assembly

    Figure 44. Display assembly Steps 1. Remove the five (M2.5x5) screws that secure the left and right-display hinges to the palm-rest and keyboard assembly. 2. Open the hinges to a 90-degree angle. 3. Disconnect the display cable from the connector (eDP) on the system board. 4.
  • Page 71 About this task The following images indicate the location of the display assembly and provide a visual representation of the installation procedure. Figure 45. Display assembly Removing and installing Field Replaceable Units (FRUs)
  • Page 72 Figure 46. Installing the display assembly Figure 47. Installing the hinge screws and connecting the display cable NOTE: Ensure that the display hinges are opened to the maximum before replacing the display assembly on the palm-rest and keyboard assembly. Steps 1.

  • Page 73: Power Button

    NOTE: The power-adapter port is secured in place by the right-display hinge. There is no screw, tape, or adhesives securing the power-adapter port to the palm-rest. Therefore, it is important to verify that the power-adapter port has not been displaced during service. 3.

  • Page 74: Installing The Power Button

    Figure 48. Removing the power button Steps 1. Remove the screw (M2x2.3) that secures the power button to the palm-rest and keyboard assembly. 2. Lift the power button off the palm-rest and keyboard assembly. Installing the power button CAUTION: The information in this 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 75: Power Button With Fingerprint Reader

    Figure 49. Installing the power button Steps 1. Align the screw hole on the power button to the screw hole on the palm-rest and keyboard assembly. 2. Place the power button in the slot on the palm-rest and keyboard assembly. 3.

  • Page 76: Installing The Power Button With Fingerprint Reader

    About this task NOTE: This procedure applies only to computers shipped with a power button with fingerprint reader installed. The following images indicate the location of the power button with fingerprint reader and provide a visual representation of the removal procedure. Figure 50.
  • Page 77 Figure 51. Installing the power button with fingerprint reader Steps 1. Place the power button along with fingerprint reader cable in the slot on the palm-rest and keyboard assembly. 2. Align the screw hole on the power button to the screw hole on the palm-rest and keyboard assembly. 3.

  • Page 78: Power-Adapter Port

    Figure 52. Aligning the fingerprint reader cable on the etched Mylar mark Figure 53. Adhering the grounding tape to the palm-rest and keyboard assembly Next steps 1. Install the board. 2. Install the base cover. 3. Follow the procedure in After working inside your computer.

  • Page 79: Installing The Power-Adapter Port

    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 power-adapter port and provide a visual representation of the removal procedure. Figure 54. Removing the power-adapter port Steps 1.

  • Page 80: System Board

    About this task The following images indicate the location of the power-adapter port and provide a visual representation of the installation procedure. Figure 55. Installing the power-adapter port Steps 1. Align and place the power-adapter port in the slot on the palm-rest and keyboard assembly. 2.
  • Page 81 Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the base cover. 3. Remove the memory module. 4. Remove the solid-state drive. 5. Remove the wireless card. 6. Remove the display assembly. 7. Remove the heat sink - for computers shipped with an integrated graphics card heat sink - for computers shipped with a discrete graphics card, whichever is applicable.
  • Page 82 11. Speaker cable (SPK) connector 12. Solid-state drive (SSD) connector The following images indicate the location of the system board and provide a visual representation of the removal procedure. Figure 57. Removing right-display hinge screws Figure 58. Disconnecting the cables Removing and installing Field Replaceable Units (FRUs)
  • Page 83 Figure 59. Removing the system board Steps 1. Remove the two (M2.5x5) screws that secure the right-display hinge to the palm-rest and keyboard assembly. 2. Open the right-display hinge at an angle of 90 degrees. 3. Disconnect the following cables on the system board: a.

  • Page 84: Installing The System Board

    Figure 61. System board - USB Type-C bracket 5. Carefully lift and remove the system board from the palm-rest and keyboard assembly. Installing the system board CAUTION: The information in this 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 85 Figure 62. System board connectors 1. I/O-board cable (IO) connector 2. Wireless card (WLAN) connector 3. Display cable (eDP) connector 4. Power-adapter port (DCIN) connector 5. Memory x2 (DIMM A DDR5 ONLY + DIMM B DDR5 ONLY) connector 6. Keyboard cable (KB) connector 7.
  • Page 86 Figure 63. Installing the system board Figure 64. Connecting the cables Removing and installing Field Replaceable Units (FRUs)

  • Page 87: Palm-Rest And Keyboard Assembly

    Figure 65. Replacing the right-dislay hinge screws Steps 1. At an angle, carefully slide and place the system board on the palm-rest and keyboard assembly. 2. Align the ports on the system board to the port slots on the palm-rest and keyboard assembly. 3.
  • Page 88 2. Remove the base cover. 3. Remove the memory module. 4. Remove the solid-state drive. 5. Remove the wireless card. 6. Remove the speakers. 7. Remove the fan. 8. Remove the battery. 9. Remove the heat sink - for computers shipped with an integrated graphics card heat sink - for computers shipped with a discrete graphics card, whichever is applicable.

  • Page 89: Installing The Palm-Rest And Keyboard Assembly

    Steps After performing the steps listed in the pre-requisite section, you are left with the palm-rest and keyboard assembly. Installing the palm-rest and keyboard assembly CAUTION: The information in this section is intended for authorized service technicians only. Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following image indicates the location of the palm-rest and keyboard assembly and provides a visual representation of the installation procedure.
  • Page 90 7. Install the touchpad. 8. Install the heat sink - for computers shipped with an integrated graphics card heat sink - for computers shipped with a discrete graphics card, whichever is applicable. 9. Install the battery. 10. Install the fan. 11.

  • Page 91: Chapter 7: Software

    ● Windows 11 Home ● Windows 11 Home (S Mode) ● Ubuntu Linux 22.04 LTS, 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 92: 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 93: System Setup Options

    Depending on your computer and its installed devices, the items that are listed in this section may or may not be displayed. Table 33. System setup options—Overview menu  Overview Inspiron 16 5640 BIOS Version Displays the BIOS version number. Service Tag Displays the Service Tag of the computer.
  • Page 94 Enables the computer to boot using only validated boot software. By default, the Enable Secure Boot option is enabled. 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 95 By default, the Enable Microsoft UEFI CA option is enabled. For additional security, Dell Technologies recommends keeping the Enable Microsoft UEFI CA option enabled to ensure the broadest compatibility with devices and operating systems.
  • Page 96 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. PPI Bypass for Clear Commands Allows you to control the TPM Physical Presence Interface (PPI).
  • Page 97 Enables or disables cloud Service operating system recovery if the main operating system fails to boot with the number of failures equal to or greater than the value specified by the Dell Auto OS Recovery Threshold setup option and the local Service operating system does not boot or is not installed.

  • Page 98: Updating The Bios

    Clear Power Event Log Allows you to select option to keep or clear power events logs. By default, the Keep Log option is selected. Updating the BIOS Updating the BIOS in Windows Steps 1. Go to Dell Support Site. BIOS Setup...

  • Page 99: Updating The Bios Using The Usb Drive In Windows

    8. Double-click the BIOS update file icon and follow the on-screen instructions. For more information about how to update the system BIOS, search in the Knowledge Base Resource at Dell Support Site. Updating the BIOS using the USB drive in Windows Steps 1.

  • Page 100: System And Setup Password

    ● USB drive formatted to the FAT32 file system (the drive does not have to be bootable) ● BIOS executable file that you downloaded from the Dell Support website and copied to the root of the USB drive ● AC power adapter must be connected to the computer ●...

  • Page 101: Deleting Or Changing An Existing System Setup Password

    4. Select Yes to save the changes and exit from the BIOS Setup. The computer restarts. Clearing system and setup passwords About this task To clear the system or setup passwords, contact Dell technical support as described at Contact Support. NOTE: For information about how to reset Windows or application passwords, see the documentation accompanying Windows or your application.

  • Page 102: 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 103: Running The Supportassist Pre-Boot System Performance Check

    Dell Support Site, 4. If there are any issues, error codes are displayed. Note the error code and validation number and contact Dell. Built-in self-test (BIST) (Motherboard Built-In Self-Test) M-BIST M-BIST is the system board built-in self-test diagnostics tool that improves the diagnostics accuracy of system board Embedded Controller (EC) failures.

  • Page 104: 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 105: 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 106: Backup Media And Recovery Options

    Backup media and recovery options It is recommended to create a recovery drive to troubleshoot and fix problems that may occur with Windows. Dell provides multiple options for recovering the Windows operating system on your Dell computer. For more information, see...
  • Page 107 NOTE: For more information about performing a hard reset, go to Dell Support Site. On the menu bar at the top of the Support page, select Support > Support Library. In the Search field on the Support Library page, type the keyword, topic, or model number, and then click or tap the search icon to view the related articles.

  • Page 108: 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 48. Self-help resources  Self-help resources Resource location Information about Dell products and services Dell Site My Dell app...

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