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Dell Inspiron 16 Plus 7640 Owner's Manual
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Dell Inspiron 16 Plus 7640 Owner's Manual

Nvidia geforce rtx 4050/4060 and intel graphics
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Inspiron 16 Plus 7640
Owner's Manual - NVIDIA GeForce RTX 4050/4060
and Intel Graphics
Regulatory Model: P132F
Regulatory Type: P132F002
March 2024
Rev. A00

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Summary of Contents for Dell Inspiron 16 Plus 7640

  • Page 1 Inspiron 16 Plus 7640 Owner's Manual - NVIDIA GeForce RTX 4050/4060 and Intel Graphics Regulatory Model: P132F Regulatory Type: P132F002 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

    Top......................................8 Front....................................... 9 Bottom....................................10 Service Tag..................................10 Battery charge and status light ............................11 Chapter 2: Set up your Inspiron 16 Plus 7640................12 Chapter 3: Specifications of Inspiron 16 Plus 7640...............14 Dimensions and weight..............................14 Processor..................................... 14 Chipset....................................15 Operating system................................15 Memory....................................
  • Page 4 After working inside your computer........................29 BitLocker..................................29 Recommended tools................................. 29 Screw list.....................................30 Major components of Inspiron 16 Plus 7640....................... 31 Chapter 5: Removing and installing Customer Replaceable Units (CRUs)........33 Base cover..................................33 Removing the base cover............................33 Installing the base cover............................35 Solid-state drive.................................37...
  • Page 5 Chapter 9: Troubleshooting....................... 107 Handling swollen rechargeable Li-ion batteries......................107 Locate the Service Tag or Express Service Code of your Dell computer ............107 Dell SupportAssist Pre-boot System Performance Check diagnostics.............. 108 Running the SupportAssist Pre-Boot System Performance Check.............. 108 Built-in self-test (BIST)..............................108...
  • Page 6 LCD Built-in Self-Test (BIST)..........................109 System-diagnostic lights..............................110 Recovering the operating system..........................111 Real-Time Clock (RTC Reset)............................111 Backup media and recovery options..........................111 Wi-Fi power cycle................................111 Drain residual flea power (perform hard reset)......................112 Chapter 10: Getting help and contacting Dell................113 Contents...

  • Page 7: Chapter 1: Views Of Inspiron 16 Plus 7640

    Views of Inspiron 16 Plus 7640 Right Figure 1. Right view 1. microSD-card slot Reads from and writes to the microSD card. The computer supports the following card types: ● microSecure Digital (microSD) ● microSecure Digital High Capacity (microSDHC) ● microSecure Digital Extended Capacity (microSDXC) 2.

  • Page 8: Top

    Supports Thunderbolt 4 and DisplayPort 2.1 and also enables you to connect to an external display using a display adapter. Provides data transfer rates of up to 40 Gbps for 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 www.dell.com/support. NOTE: A USB Type-C to DisplayPort adapter (sold separately) is required to connect a DisplayPort device.

  • Page 9: Front

    Turns on when the camera is in use. 5. Right microphone Provides digital sound input for audio recording and voice calls. 6. Display panel Provides visual output to the user. 7. Speakers (Front-firing) Provides audio output. Views of Inspiron 16 Plus 7640...

  • Page 10: Bottom

    3. Left speaker (down-firing) Provides audio output. 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 Inspiron 16 Plus 7640...

  • Page 11: 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 Inspiron 16 Plus 7640. Table 1. Battery charge and status light behavior  Power Source LED Behavior System Power State...

  • Page 12: Chapter 2: Set Up Your Inspiron 16 Plus 7640

    2. Finish the Windows setup. Follow the on-screen instructions to complete the setup. When setting up, Dell Technologies recommends that you: ● Connect to a network for Windows updates.
  • 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. Following are the key features of MyDell: ●...

  • Page 14: Chapter 3: Specifications Of Inspiron 16 Plus 7640

    ● 4.94 lb (2.24 kg), minimum the configuration that is ordered and manufacturing variability. Processor The following table lists the details of the processors that are supported for your Inspiron 16 Plus 7640. Table 5. Processor  Description Option one Processor type...

  • Page 15: Chipset

    3.80 GHz Processor cache 24 MB Integrated graphics Intel Arc Graphics Chipset The following table lists the details of the chipset that is supported for your Inspiron 16 Plus 7640. Table 6. Chipset  Description Values Chipset Integrated in the processor...

  • Page 16: External Ports

    ● 32 GB, 2 x 16 GB, DDR5, dual-channel, 5600 MT/s ● 64 GB, 2 x 32 GB, DDR5, dual-channel, 5600 MT/s External ports The following table lists the external ports on your Inspiron 16 Plus 7640. Table 8. External ports  Description...

  • Page 17: Wireless Module

    Wireless module The following table lists the Wireless Local Area Network (WLAN) modules that are supported on your Inspiron 16 Plus 7640. Table 10. Wireless module specifications  Description Option one Option two Model number Intel AX211 Intel BE200 Transfer rate...

  • Page 18: Storage

    This section lists the storage options on your Inspiron 16 Plus 7640. Your Inspiron 16 Plus 7640 supports one M.2 2230 or M.2 2280 solid-state drive. The primary drive of your Inspiron 16 Plus 7640 is the M.2 solid-state drive installed.

  • Page 19: Keyboard Shortcuts Of Inspiron 16 Plus 7640

    BIOS setup program. For more information, see Keyboard shortcuts. Keyboard shortcuts of Inspiron 16 Plus 7640 NOTE: Keyboard characters may differ depending on the keyboard language configuration. Keys used for shortcuts remain the same across all language configurations. Some keys on your keyboard have two symbols on them. These keys can be used to type alternate characters or to perform secondary functions.

  • Page 20: Camera

    + esc Toggle fn-key lock fn + Left arrow Home fn + Right arrow Camera The following table lists the camera specifications of your Inspiron 16 Plus 7640. Table 17. Camera specifications  Description Values Number of cameras Camera type...

  • Page 21: Power Adapter

    Power adapter The following table lists the power adapter specifications of your Inspiron 16 Plus 7640. Table 19. Power adapter specifications  Description Option one Option two Type 130 W AC 130 W USB Type-C Connector dimensions: External diameter 4.50 mm...

  • Page 22: Display

    If your battery charge is depleted, connect the power adapter, turn on your computer, and then restart your computer to reduce the power consumption. Display The following table lists the display specifications of your Inspiron 16 Plus 7640. Table 21. Display specifications  Description...

  • Page 23: Fingerprint Reader (Optional)

    4 W (at mosaic pattern, 120 Hz) Anti-glare vs glossy finish Anti-glare Fingerprint reader (optional) The following table lists the specifications of the optional fingerprint-reader of your Inspiron 16 Plus 7640. Table 22. Fingerprint reader specifications  Description Values Fingerprint-reader sensor technology...

  • Page 24: Gpu-Discrete

    NVIDIA GeForce RTX 4060 8 GB GDDR6 Multiple display support matrix The following table lists the multiple display support matrix for your Inspiron 16 Plus 7640. Table 25. Multiple display support matrix  Graphics Card Direct Graphics Controller Supported external displays...

  • Page 25: Comfortview Plus

    ● Look away from your display, and gaze at a distant object at 20 ft (609.60 cm) away for at least 20 seconds during each break. ● Take an extended break for 20 minutes every two hours. Specifications of Inspiron 16 Plus 7640...

  • Page 26: 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 27: Safety Precautions

    Ensure that your computer is shut down and the AC adapter is disconnected. a. Hold <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 28: 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 29: 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 30: 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 31: Major Components Of Inspiron 16 Plus 7640

    Major components of Inspiron 16 Plus 7640 The following image shows the major components of Inspiron 16 Plus 7640. Figure 8. Major components ofInspiron 16 Plus 7640 1. Base cover 2. Battery 3. Power-adapter port Working inside your computer...
  • Page 32 23. Power-button with an 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 coverages purchased by the customer. Contact your Dell sales representative for purchase options.

  • Page 33: 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 34 Figure 9. Removing the base cover Removing and installing Customer Replaceable Units (CRUs)

  • Page 35: Installing The Base Cover

    Figure 10. Removing the base cover Steps 1. Remove the seven screws (M2x4) that secure the base cover to the palm-rest and keyboard assembly. 2. Loosen the two captive screws (M2x8.6) that secure the base cover to the palm-rest and keyboard assembly. 3.
  • Page 36 Figure 11. Installing the base cover Removing and installing Customer Replaceable Units (CRUs)

  • Page 37: Solid-State Drive

    Figure 12. Installing the base cover Steps 1. Place the base cover on the palm-rest and keyboard assembly. 2. Press on the sides of the base cover to snap it into place. 3. Tighten the two captive screws (M2x8.6) that secure the base cover to the palm-rest and keyboard assembly. 4.

  • Page 38: Installing The M.2 2230 Solid-State Drive

    An M.2 2230 thermal shield is required to install an M.2 2230 solid-state drive. If this thermal shield is not present on your computer, contact Dell support to purchase the M.2 2230 thermal shield. Removing and installing Customer Replaceable Units (CRUs)

  • Page 39: Removing The M.2 2280 Solid-State Drive

    NOTE: The M.2 slot supports the installation of one of the following solid-state drives: ● M.2 2230 solid-state drive and an M.2 2230 thermal shield. Your M.2 2230 is mounted on a 2230-specific thermal shield. ● M.2 2280 solid-state drive and a 2280-specific thermal shield. The following image(s) indicate the location of the M.2 2230 solid-state drive and provides a visual representation of the installation procedure.

  • Page 40: Installing The M.2 2280 Solid-State Drive

    NOTE: An M.2 2280 thermal shield is required to install an M.2 2280 solid-state drive. If this thermal shield is not present on your computer, contact Dell support to purchase the M.2 2280 thermal shield. NOTE: The M.2 slot supports the installation of one of the following solid-state drives:...

  • Page 41: Wireless Card

    ● M.2 2230 solid-state drive and an M.2 2230 thermal shield. Your M.2 2230 is mounted on a 2230-specific thermal shield. ● M.2 2280 solid-state drive and a 2280-specific thermal shield. The following image(s) indicate the location of the M.2 2280 solid-state drive and provides a visual representation of the installation procedure.

  • Page 42: Installing The Wireless Card

    About this task The following image(s) indicate the location of the wireless card and provides a visual representation of the removal procedure. Figure 17. Removing the wireless card Steps 1. Remove the screw (M2x3) that secures the wireless-card bracket to the system board. 2.
  • Page 43 Figure 18. Installing the wireless card Steps 1. Connect the antenna cables to the wireless card. Table 28. Antenna-cable color scheme  Connector on the Antenna-cable color Silkscreen marking wireless card △ (white triangle) Main White MAIN Auxiliary Black ▲ (black triangle) 2.

  • Page 44: Memory Module

    2. Follow the procedure in After working inside your computer. Memory module Removing the memory module Prerequisites 1. Follow the procedure in Before working inside your computer. NOTE: Ensure that your computer is in Service Mode. For more information, see step 6 in Before working inside your computer.

  • Page 45: Installing The Memory Module

    Steps 1. Lift the Mylar covering the memory module. 2. Using your fingertips, carefully spread apart the securing clips on each end of the memory-module slot (DIMM1) until the memory module pops up. 3. Remove the memory module from the memory-module slot (DIMM1) on the system board. NOTE: Repeat step 1 to step 3 for the memory module that is installed in the memory-module slot (DIMM2) on the system board.

  • Page 46: Fans

    Steps 1. Lift the Mylar covering the memory-module slot. 2. Align the notch on the memory module with the tab on the memory-module slot (DIMM1) on the system board. 3. Slide the memory module into the memory-module slot (DIMM2) on the system board. 4.

  • Page 47: Installing The Graphics Processing Unit Fan

    2. Remove the two screws (M2x5) that secure the graphics processing unit fan to the palm-rest and keyboard assembly. 3. Lift the graphics processing unit fan off the palm-rest and keyboard assembly. Installing the graphics processing unit fan Prerequisites If you are replacing a component, remove the existing component before performing the installation process. About this task The following image(s) indicate the location of the graphics processing unit fan and provides a visual representation of the installation procedure.

  • Page 48: Installing The Processor Fan

    About this task The following image(s) indicate the location of the processor fan and provides a visual representation of the removal procedure. Figure 23. Removing the processor fan Steps 1. Disconnect the processor fan cable from its connector (FAN1) on the system board. 2.
  • Page 49 Figure 24. Installing the processor fan Steps 1. Place the processor fan on the palm-rest and keyboard assembly. 2. Align the screw holes of the processor fan with the screw holes on the palm-rest and keyboard assembly. 3. Replace the two screws (M2x5) that secure the processor fan to the palm-rest and keyboard assembly. 4.

  • Page 50: 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 www.dell.com/contactdell.

  • Page 51: Installing The Battery

    Prerequisites 1. Follow the procedure in Before working inside your computer. NOTE: Ensure that your computer is in Service Mode. For more information, see step 6 in Before working inside your computer. 2. Remove the base cover. About this task The following image(s) indicate the location of the battery and provides a visual representation of the removal procedure.

  • Page 52: Battery Cable

    Figure 26. Installing the battery Steps 1. Place the battery on the palm-rest and keyboard assembly. 2. Align the screw holes on the battery with the screw holes on the palm-rest and keyboard assembly. 3. Replace the five screws (M2x4) that secure the battery to the palm-rest and keyboard assembly. NOTE: There is a cosmetic rubber nut which is used to cover up one of the screw holes that is not in use.

  • Page 53: Installing The Battery Cable

    Figure 27. Removing the battery cable Steps 1. Flip over the battery. 2. Peel the adhesive tape that secures the battery cable to the connector on the battery. 3. Hold the battery cable near its connector and gently pull the battery cable up to disconnect it from the battery. 4.

  • Page 54: Speakers

    Figure 28. Installing the battery cable Steps 1. Connect the battery cable to its connector on the battery. 2. Using the markings on the battery, adhere the battery cable to the battery. 3. Adhere the tape that secures the battery cable to its connector on the battery. 4.
  • Page 55 About this task NOTE: The left and right speakers cannot be separated for individual replacement. When either speaker needs to be replaced, services will dispatch both the speaker assembly as a single serviceable component. The following image(s) indicate the location of the down-firing speakers and provides a visual representation of the installation procedure.

  • Page 56: Installing The Speakers (Down-Firing)

    Installing the speakers (down-firing) 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 process. About this task NOTE: The left and right speakers cannot be separated for individual replacement. When either speaker needs to be replaced, services will dispatch the speaker assembly as a single serviceable component.

  • Page 57: Display Assembly

    2. Route the down-firing speaker cables through their routing guides on the palm-rest and keyboard assembly. 3. Connect the touchpad cable to its connector (TP1) on the system board. NOTE: The touchpad cable should be folded over the speaker and antenna cables during the connection procedure. 4.
  • Page 58 Figure 31. Removing the display assembly Removing and installing Field Replaceable Units (FRUs)
  • Page 59 Figure 32. Removing the display assembly Removing and installing Field Replaceable Units (FRUs)

  • Page 60: Installing The Display Assembly

    Figure 33. Display assembly Steps 1. Disconnect the speaker cable from its connector (SPK2) on the system board. 2. Remove the speaker cable from its routing guides. 3. Remove the two screws (M2.5x5.5) that secure the left display assembly hinge to the system board. 4.
  • Page 61 Figure 34. Installing the display assembly Removing and installing Field Replaceable Units (FRUs)
  • Page 62 Figure 35. Installing the display assembly Steps 1. Place the display assembly on a clean and flat surface with the display panel facing up. 2. Align and place the palm-rest and keyboard assembly under the display hinges. 3. Close the right-display assembly hinge and align the screw holes on the right-display assembly hinge with the screw holes on the palm-rest and keyboard assembly.

  • Page 63: Audio Board

    Audio board Removing the audio board CAUTION: The information in this section is intended for authorized service technicians only. Prerequisites 1. Follow the procedure in Before working inside your computer. NOTE: Ensure that your computer is in Service Mode. For more information, see step 6 in Before working inside your computer.

  • Page 64: Audio-Board Cable

    About this task The following image(s) indicate the location of the audio board and provides a visual representation of the installation procedure. Figure 37. Installing the audio board Steps 1. Place the audio board onto the palm-rest and keyboard assembly . 2.

  • Page 65: Installing The Audio-Board Cable

    About this task The following image(s) indicate the location of the audio-board cable and provides a visual representation of the removal procedure. Figure 38. Removing the audio-board cable Steps 1. Lift the latch and disconnect the audio-board cable from its connector (IOBD1) on the audio board. 2.

  • Page 66: Heat Sink

    Figure 39. Installing the audio-board cable Steps 1. Place the audio-board cable on the palm-rest and keyboard assembly. 2. Connect the audio-board cable to its connector (IOBD1) on the audio board and close the latch. 3. Connect the audio-board cable to its connector (IOBD2) on the system board and close the latch. Next steps 1.
  • Page 67 The following image(s) indicate the location of the heat sink and provides a visual representation of the removal procedure. Figure 40. Removing the heat sink Figure 41. Removing the heat sink Steps 1. Disconnect the front-firing speaker cable from its connector (SPK2) on the system board. 2.

  • Page 68: Installing The Heat Sink

    Installing the heat sink 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 process. About this task NOTE: If either the system board or the heat sink is replaced, use the thermal grease that is provided in the kit to ensure that thermal conductivity is achieved.

  • Page 69: I/O Board

    2. Align the captive screws on the heat sink to the screw holes on the system board. 3. In sequential order (1>2>3>4>5>6>7), tighten the seven captive screws that secure the heat sink to the system board. 4. Connect the display-assembly cable to its connector (LCD1) on the system board and close the latch. 5.

  • Page 70: Installing The I/O Board

    Steps 1. Remove the two screws (M2.5x5.5) that secure the display-assembly hinge to the palm-rest and keyboard assembly. 2. Pry open the left-display assembly hinge at an angle of 90 degrees. 3. Lift the latch and disconnect the I/O-board cable from its connector (IOBD1) on the I/O board. 4.

  • Page 71: I/O-Board Cable

    NOTE: This step is only applicable for computers that are shipped with the power button with an optional fingerprint reader. 7. Close the left-display assembly hinge and align the screw holes on the left-display assembly hinge with the screw holes on the palm-rest and keyboard assembly.

  • Page 72: Installing The I/O-Board Cable

    Figure 46. Removing the I/O-board cable Steps 1. Lift the latch and disconnect the I/O-board cable from its connector (IOBD1) on the I/O board. 2. Peel the I/O-board cable off the palm-rest and keyboard assembly. Installing the I/O-board cable CAUTION: The information in this section is intended for authorized service technicians only.

  • Page 73: Power Button

    Figure 47. Installing the I/O-board cable Steps 1. Place the I/O-board cable on the palm-rest and keyboard assembly. 2. Connect the I/O-board cable to its connector (IOBD1) on the I/O board and close the latch. 3. Adhere the I/O-board cable to the palm-rest and keyboard assembly. Next steps 1.
  • Page 74 About this task The following image(s) indicate the location of the power button and provides a visual representation of the removal procedure. NOTE: Depending on the configuration of your computer, you may have a power-button with an optional fingerprint reader installed.

  • Page 75: Installing The Power Button

    NOTE: This step is only applicable for computers that are shipped with the power button with an optional fingerprint reader. 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 process.

  • Page 76: Power-Adapter Port

    Figure 51. Installing power button Steps 1. Place the power button into its 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. Replace the tape that secures the fingerprint-reader cable to the palm-rest and keyboard assembly. NOTE: This step is only applicable for computers that are shipped with the power button with an optional fingerprint reader.

  • Page 77: Installing The Power-Adapter Port

    About this task The following image(s) indicate the location of the power-adapter port and provides a visual representation of the removal procedure. Figure 52. Removing the power-adapter port Steps 1. Remove the two screws (M2.5x5.5) that secure the right-display assembly hinge to the system board. 2.

  • Page 78: System Board

    Figure 53. Installing the power-adapter port Steps 1. Place the power-adapter port into the slot on the palm-rest and keyboard assembly. 2. Route the power-adapter port cable through the routing guide on the palm-rest and keyboard assembly. 3. Connect the power-adapter port to its connector (DCIN1) on the system board. 4.
  • Page 79 6. Remove the heat sink. 7. Remove the wireless card. 8. Remove the M.2 2230 solid-state drive or the M.2 2280 solid-state drive, whichever is applicable. About this task The following image indicates the connectors on your system board. Figure 54. System board connectors 1.
  • Page 80 16. Down-firing speaker cable connector (SPK1) 17. Audio board-cable connector (IOBD2) The following image(s) indicate the location of the system board and provides a visual representation of the removal procedure. Figure 55. Removing the system board Removing and installing Field Replaceable Units (FRUs)

  • Page 81: Installing The System Board

    Figure 56. Removing the system board Steps 1. Lift the latch and disconnect the I/O-board cable from its connector (IOBD1) on the system board. 2. Peel off the tape that secures the power-adapter port cable to its connector (DCIN1) on the system board. 3.
  • Page 82 About this task NOTE: If either the system board or the heat sink is replaced, use the thermal grease that is provided in the kit to ensure that thermal conductivity is achieved. The following image indicates the connectors on your system board. Figure 57.
  • Page 83 17. Audio board-cable connector (IOBD2) The following image(s) indicate the location of the system board and provides a visual representation of the installation procedure. Figure 58. Installing the system board 1 Removing and installing Field Replaceable Units (FRUs)
  • Page 84 Figure 59. Installing the system board 2 Steps 1. Place the system board on the palm-rest and keyboard assembly. 2. Align the ports on the system board with the ports on the palm-rest and keyboard assembly. 3. Align the screw holes on the system board with the screw holes on the palm-rest and keyboard assembly. 4.

  • Page 85: Touchpad

    6. Install the battery. 7. Install the base cover. 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. NOTE: Ensure that your computer is in Service Mode. For more information, see step 6 in Before working inside your computer.

  • Page 86: Installing The Touchpad

    Figure 60. Removing the touchpad Steps 1. Open the latch and disconnect the touchpad cable from its connector (TP1) on the system board. 2. Open the latch and disconnect the touchpad cable from its connector on the touchpad. 3. Remove the touchpad cable from the touchpad. 4.
  • Page 87 If you are replacing a component, remove the existing component before performing the installation process. About this task The following image(s) indicate the location of the touchpad and provides a visual representation of the installation procedure. Figure 61. Installing the touchpad Steps 1.

  • Page 88: Palm-Rest And Keyboard Assembly

    2. Install the base cover. 3. Follow the procedure in After working inside your computer. Palm-rest and keyboard assembly Removing the palm-rest and keyboard assembly CAUTION: The information in this section is intended for authorized service technicians only. Prerequisites 1. Follow the procedure in Before working inside your computer.

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

    Figure 62. Palm-rest and keyboard assembly Steps After performing the Pre-requisites, you are left with the palm-rest and keyboard assembly. NOTE: The palm-rest and keyboard assembly consists of the following components: ● Palm rest ● Keyboard ● Wireless antenna (2) Installing the palm-rest and keyboard assembly CAUTION: The information in this section is intended for authorized service technicians only.
  • Page 90 Figure 63. Palm-rest and keyboard assembly Steps Place the palm-rest and keyboard assembly on a flat and clean surface and perform the Post-requisites to install the palm-rest and keyboard assembly. NOTE: The palm-rest and keyboard assembly consists of the following components: ●...
  • Page 91 13. Install the speakers. 14. Install the battery. 15. Install the base cover. 16. Follow the procedure in After working inside your computer. Removing and installing Field Replaceable Units (FRUs)

  • Page 92: Chapter 7: Software

    ● Windows 11 Pro, 64-bit ● Windows 11 Pro National Education, 64-bit ● Windows 11 Home, 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 93: 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 94: System Setup Options

    Depending on this computer and its installed devices, the items that are listed in this section may or may not be displayed. Table 30. System setup options—Overview menu  Overview Inspiron 16 Plus 7640 BIOS Version Displays the BIOS version number. Service Tag Displays the Service Tag of the computer.
  • Page 95 Table 30. System setup options—Overview menu (continued) Overview Microcode Version Displays the microcode version. Intel® Hyper-Threading Capable Displays whether the processor is Hyper-Threading (HT) capable. 64-Bit Technology Displays whether 64-bit technology is used. MEMORY Memory Installed Displays the total computer memory installed. Memory Available Displays the total computer memory available.
  • Page 96 Table 31. System setup options—Boot Configuration menu (continued) Boot Configuration Default: OFF NOTE: If Custom Mode is not enabled, any changes made with respect to the keys will not be saved. Custom Mode Key Management Allows for selection of key database. ●...
  • Page 97 Table 33. System setup options—Storage menu  Storage SATA/NVMe Operation SATA/NVMe Operation Configures operating mode of the integrated storage device controller. Default: RAID On. Storage device is configured to support RAID functions. When enabled, all NVMe and SATA devices will be mapped under VMD controller.
  • Page 98 USB Wake Support Wake on Dell USB-C Dock Enables or disables waking up a computer from Standby, Hibernate, or Power Off, when connecting a Dell USB-C Dock. Default: ON Block Sleep Allows or blocks Sleep (S3) mode in the operating system.
  • Page 99 Table 36. System setup options—Power menu (continued) Power Default: ON Table 37. System setup options—Security menu  Security Intel® Platform Trust Security Intel Platform Trust Security On Select whether Intel® Platform Trust Security is visible to the operating system. Default: ON PPI Bypass for Clear Commands Controls whether the operating system can skip BIOS Physical Presence Interface (PPI) prompts when the Clear command is issued.
  • Page 100 Enables or disables cloud Service OS recovery if the main OS fails to boot within the number of failures equal or greater than the value specified by Dell Auto OS Recovery Threshold, and local Service does not boot, or is not installed.
  • Page 101 Enables the computer to automatically power on for defined days or times. Default: Disabled Diagnostics OS Agent Requests Enables or disables Dell OS Agents to schedule onboard diagnostics on a subsequent boot. Default: ON Table 41. System setup options—Keyboard menu ...
  • Page 102 Table 42. System setup options—Pre-boot Behavior menu (continued) Pre-boot Behavior NOTE: Errors deemed critical to the operation of the computer hardware will always halt the computer. USB-C Warnings Enable Dock Warning Messages Enables or disables dock warning messages. Fastboot Selects the speed of the UEFI boot process Default: Thorough Extend BIOS Post Time Selects the BIOS POST load time.

  • Page 103: 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 the Knowledge Base Resource at www.dell.com/support. 3. Copy the BIOS setup program file to the bootable USB drive.

  • Page 104: Updating The Bios From The F12 One Time Boot Menu

    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 105: Assigning A System Setup Password

    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. About this task To enter BIOS System Setup, press F2 immediately after a power-on or reboot.

  • Page 106: Clearing Cmos Settings

    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 107: 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 108: 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 109: 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 110: System-Diagnostic Lights

    NOTE: Blinking pattern 3-3-3 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 the "Dell SupportAssist Pre-boot System Performance Check" diagnostics. Camera status light: Indicates whether the camera is in use.

  • Page 111: 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 112: Drain Residual Flea Power (Perform Hard Reset)

    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 113: 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 49. Self-help resources  Self-help resources Resource location Information about Dell products and services www.dell.com My Dell app...

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