Dell Latitude 7650 Owner's Manual
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Dell Latitude 7650 Owner's Manual

Dell Latitude 7650 Owner's Manual

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Latitude 7650
Owner's Manual
Regulatory Model: P126F
Regulatory Type: P126F002
March 2024
Rev. A00

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  • Page 1 Latitude 7650 Owner's Manual Regulatory Model: P126F Regulatory Type: P126F002 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

    Left......................................9 Front......................................10 Top......................................11 Bottom....................................12 Service Tag..................................12 Battery charge and status light .............................13 Chapter 3: Set up your Latitude 7650..................14 Chapter 4: Specifications of Latitude 7650.................. 16 Dimensions and weight..............................16 Processor..................................... 16 Chipset....................................17 Operating system................................17 Memory....................................17 External ports..................................18...
  • Page 4 After working inside your computer........................34 BitLocker..................................34 Recommended tools................................. 34 Screw list.....................................35 Major components of Latitude 7650..........................36 Chapter 6: Removing and installing Customer Replaceable Units (CRUs)........39 NanoSIM-card tray................................39 Removing the nanoSIM-card tray .......................... 39 Installing the nanoSIM-card tray ..........................41 Base cover..................................
  • Page 5 Smart card reader................................75 Removing the smart card reader ..........................75 Installing the smart card reader ..........................76 System board..................................79 Removing the system board ............................ 79 Installing the system board ............................82 WLAN-antenna module..............................86 Removing the WLAN-antenna module ........................86 Installing the WLAN-antenna module ........................87 I/O daughterboard................................
  • Page 6 Locate the Service Tag or Express Service Code of your Dell computer ............127 Dell SupportAssist Pre-boot System Performance Check diagnostics.............. 128 Running the SupportAssist Pre-Boot System Performance Check.............. 128 Built-in self-test (BIST)..............................128 M-BIST..................................128 LCD Power rail test (L-BIST)..........................129 LCD Built-in Self-Test (BIST)..........................

  • Page 7: Chapter 1: Introduction

    Introduction Welcome - Getting started The Latitude 7650 field service manual enables the service technicians to accurately and effectively resolve customer inquiries and technical issues regarding this computer. The document informs the field service technicians of the proper steps for replacing hardware and also gives an overview of the system BIOS, features, and safety precautions.

  • Page 8: Chapter 2: Views Of Latitude 7650

    Views of Latitude 7650 Right Figure 1. Right view 1. NanoSIM slot (optional) Insert a nano-SIM card to connect to a mobile broadband network. NOTE: Availability of the nano-SIM card slot depends on the region and configuration ordered. 2. Universal audio port Connect headphones or a headset (headphone and microphone combo).

  • Page 9: Left

    Provides data transfer rates of up to 40 Gbps for USB4 and Thunderbolt 4. NOTE: You can connect a Dell Docking Station to one of the Thunderbolt 4 ports. For more information, search in the Knowledge Base Resource at www.dell.com/support.

  • Page 10: Front

    4. Camera-status light Turns on when the camera is in use. 5. Ambient-light sensor (ALS) The sensor detects the ambient light and automatically adjusts the display brightness. 6. LCD panel Provides visual output to the user. Views of Latitude 7650...

  • Page 11: Top

    Computers that are shipped with the fingerprint reader that is integrated on the power button will not have the power-status light on the power button. NOTE: You can customize the power-button behavior in Windows. 4. Keyboard 5. Speaker Provides audio output. Views of Latitude 7650...

  • Page 12: Bottom

    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. 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 Latitude 7650...

  • Page 13: Battery Charge And Status Light

    Figure 6. Image: Service Tag location Battery charge and status light The following table lists the battery charge and status light behavior of your Latitude 7650. Table 1. Battery charge and status light behavior  Power Source LED Behavior System Power State...

  • Page 14: Chapter 3: Set Up Your Latitude 7650

    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: ● 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 15 Description Dell Command Update Updates your computer with critical fixes and latest device drivers as they become available. For more information about using Dell Command Update, see the product guides and third-party license documents at www.dell.com/support. Dell Digital Delivery Download software applications, which are purchased but not preinstalled on your computer. For more information about using Dell Digital Delivery, search in the Knowledge Base Resource at www.dell.com/support.

  • Page 16: Chapter 4: Specifications Of Latitude 7650

    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 Latitude 7650. Table 5. Processor  Description Option one Option two...

  • Page 17: Chipset

    Intel Graphics Intel Graphics Intel Arc Graphics Intel Graphics graphics Graphics Chipset The following table lists the details of the chipset that is supported for your Latitude 7650. Table 6. Chipset  Description Option one Option two Processors Intel Core Ultra 5...

  • Page 18: External Ports

    ● 16 GB: LPDDR5x, 6400 MT/s, dual-channel ● 32 GB: LPDDR5x, 6400 MT/s, dual-channel ● 64 GB: LPDDR5x, 6400 MT/s, dual-channel External ports The following table lists the external ports on your Latitude 7650. Table 8. External ports  Description Values USB ports ●...

  • Page 19: Wireless Module

    Wireless module The following table lists the Wireless Local Area Network (WLAN) module that is supported on your Latitude 7650. Table 10. Wireless module specifications  Description Values Model number Intel BE200 (integrated on system board) Transfer rate 5760 Mbps Frequency bands supported 2.40 GHz/5 GHz/6 GHz...

  • Page 20: Audio

    For instructions on how to find your computer's International Mobile Station Equipment Identity (IMEI) number, search in the Knowledge Base Resource at www.dell.com/support. Audio The following table lists the audio specifications of your Latitude 7650. Table 12. Audio specifications  Description...

  • Page 21: Storage

    M.2 2230 solid state drive, Self- PCIe Gen 3.0x4 NVMe, up to 32 Gbps 512 GB encrypting drive, Opal 2.0 Keyboard The following table lists the keyboard specifications of your Latitude 7650. Table 14. Keyboard specifications  Description Values Keyboard type...

  • Page 22: Camera

    Description Values more information about Copilot in Windows, search in the Knowledge Base Resource at www.dell.com/support. Camera The following table lists the camera specifications of your Latitude 7650. Table 15. Front camera specifications  Description Values Number of cameras Camera type...

  • Page 23: Clickpad

    For more information about clickpad 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 Latitude 7650. Table 17. 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 Latitude 7650. Table 18. Battery specifications  Description...

  • Page 25: Display

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

  • Page 26: Fingerprint Reader (Optional)

    Power consumption (maximum) 4.15 W Anti-glare vs glossy finish Anti-glare Fingerprint reader (optional) The following table lists the fingerprint-reader specifications of your Latitude 7650. NOTE: The fingerprint reader is located on the power button. Table 20. Fingerprint reader specifications  Description...

  • Page 27: Gpu-Integrated

    Table 21. Sensor (continued) Sensor support Hall Effect Sensor GPU—Integrated The following table lists the specifications of the integrated Graphics Processing Unit (GPU) supported by your Latitude 7650. Table 22. GPU—Integrated  Controller Memory size Processor Intel Arc Graphics Shared system memory...

  • Page 28: Smart-Card Reader

    Smart-card reader Contactless smart-card reader This section lists the contactless smart-card reader specifications of your Latitude 7650. This module is only available in computers shipped with Smart-card readers. Table 25. Contactless smart-card reader specifications  Title Description Dell ControlVault 3 contactless...

  • Page 29: Contacted Smart-Card Reader

    Oberthur idOnDemand - OCS5.2 80 K ID-One Cosmo 64 RSA D V5.4 T = 0 card Contacted smart-card reader The following table lists the contacted smart-card reader specifications of your Latitude 7650. Table 27. Contacted smart-card reader specifications  Title Description...

  • Page 30: Operating And Storage Environment

    Dell ControlVault 3 Smart-card reader is compliant with the FIDO SPEC Operating and storage environment This table lists the operating and storage specifications of your Latitude 7650. Airborne contaminant level: G1 as defined by ISA-S71.04-1985 Table 28. Computer environment  Description...

  • Page 31: Chapter 5: 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 32: 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 33: 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 34: 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 35: 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 36: Major Components Of Latitude 7650

    I/O daughterboard bridge M2x4 connector Power button M1.6x1.7 Keyboard support plate M1.6x1.7 Keyboard support plate to M1.6x1.7 palmrest Keyboard to palmrest M1.6x1.4 Major components of Latitude 7650 The following image shows the major components of Latitude 7650. Working inside your computer...
  • Page 37 Figure 8. Major Components of Latitude 7650 1. Base cover 2. Battery Working inside your computer...
  • Page 38 18. WWAN card shield 19. Coincell 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 39: Chapter 6: 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. NanoSIM-card tray Removing the nanoSIM-card tray Prerequisites...
  • Page 40 3. Remove the SIM card from the nanoSIM-card tray. 4. Slide the nanoSIM-card tray into the slot, until it clicks into place. For Latitude 7650 lift the I/O daughterboard directly out of its compartment. Removing and installing Customer Replaceable Units (CRUs)

  • Page 41: Installing The Nanosim-Card Tray

    Figure 10. I/O daughterboard Removal Installing the nanoSIM-card tray 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 nanoSIM-card tray and provide a visual representation of the installation procedure.

  • Page 42: Base Cover

    Figure 11. Installing SIM-card tray Steps 1. Insert a pin into the hole of the nanoSIM-card tray and push inward until the tray is released. 2. Slide the nanoSIM-card tray out of the slot on the computer. 3. Place the SIM card into the nanoSIM-card tray with the metallic contact facing up. 4.
  • Page 43 About this task The following images indicate the location of the base cover and provide a visual representation of the removal procedure. Figure 12. Removing the base cover Removing and installing Customer Replaceable Units (CRUs)
  • Page 44 Figure 13. Removing the base cover Figure 14. Removing the base cover Steps 1. Loosen the eight captive screws that secure the base cover to the palm-rest and keyboard assembly. Removing and installing Customer Replaceable Units (CRUs)

  • Page 45: Installing The Base Cover

    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. CAUTION: Do not slide the scribe through the edge of the top side of the base cover as it damages the latches inside the base cover.
  • Page 46 Figure 16. Installing the base cover Removing and installing Customer Replaceable Units (CRUs)

  • Page 47: Solid-State Drive

    Figure 17. 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 48: Installing The M.2 2230 Solid State Drive

    NOTE: To avoid data loss, do not remove the SSD while the computer is in sleep or on state. 2. Remove the base cover. About this task NOTE: The M.2 card that is installed on your computer depends on the configuration ordered. Supported card configurations on the M.2 card slot are: ●...
  • Page 49 3. Verify if the storage device is installed correctly: a. Turn on or restart your computer. b. Press F2 when the Dell logo is displayed on the screen to enter the computer setup (BIOS) program. NOTE: A list of storage devices are displayed under the System Information in the General group.

  • Page 50: Wireless Wide Area Network (Wwan) Card

    If you have replaced the primary storage device that had the operating system that is installed, search in the Knowledge Base Resource at www.dell.com/support. Wireless Wide Area Network (WWAN) card Removing the 4G WWAN card Prerequisites 1. Follow the procedure in Before working inside your computer.

  • Page 51: Installing The 4G Wwan Card

    Installing the 4G WWAN card Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. NOTE: When reinstalling the WWAN card shielding cover, ensure that the shielding cover is inserted into the clips on the I/O daughterboard.
  • Page 52 About this task NOTE: This procedure applies only to computers shipped with a 5G WWAN card installed. NOTE: When reinstalling the WWAN card shielding cover, ensure that the shielding cover is inserted into the clips on the I/O daughterboard. The following images indicate the location of the 5G WWAN card and provide a visual representation of the removal procedure. Figure 22.

  • Page 53: Installing The 5G Wwan Card

    Installing the 5G WWAN card Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. NOTE: When reinstalling the WWAN card shielding cover, ensure that the shielding cover is inserted into the clips on the I/O daughterboard.

  • Page 54: Speakers

    7. When reinstalling the WWAN card shielding cover, ensure that the shielding cover is inserted into the clips on the I/O daughterboard. Figure 24. Installing the 5G WWAN card NOTE: For instructions on how to find your computer's International Mobile Station Equipment Identity (IMEI) number, search in the Knowledge Base Resource at www.dell.com/support. Next steps 1. Install the base cover.

  • Page 55: Installing The Speakers

    Figure 25. Removing the speakers Steps 1. Disconnect the speaker cable from the connector on the system board. 2. Peel the tape that secures the speaker cable to the palm-rest and keyboard assembly. 3. Note the speaker cable routing, and unroute the speaker cable from the routing guides on the palm-rest and keyboard assembly.

  • Page 56: Coin-Cell Battery

    Figure 26. Installing the speakers Steps 1. Using the alignment posts and rubber grommets, place the speakers into the slots on the palm-rest and keyboard assembly. NOTE: If the rubber grommets are pushed out during speaker removal, make sure to reinsert them before reinstalling the speakers.

  • Page 57: Installing The Coin-Cell Battery

    Figure 27. Removing the coin-cell battery Steps 1. Remove the shielding cover that holds the coin-cell battery. 2. Disconnect the coin-cell battery cable from the connector on the system board. 3. Unroute the coin-cell battery cable from the routing guides on the system board. 4.
  • Page 58 Figure 28. Installing the coin-cell battery Steps 1. Place the coin-cell battery into its slot on the system board. 2. Route the coin-cell battery cable back to the routing guides on the system board. 3. Connect the coin-cell battery cable to the connector on the system board. 4.

  • Page 59: Chapter 7: 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 60 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 2-cell battery and provides a visual representation of the removal procedure. Figure 29. Removing the 2-cell battery Steps 1.

  • Page 61: Installing The 2-Cell Battery

    Figure 30. Removing the 2-cell battery Installing the 2-cell battery CAUTION: The information in this installation section is intended for authorized service technicians only. Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following image indicates the location of the 2-cell battery and provides a visual representation of the installation procedure.

  • Page 62: Removing The 3-Cell Battery

    Figure 31. Installing the 2-cell battery Steps 1. Carefully push the battery filler upwards to attach it to the 2-cell battery. 2. Place the 2-cell battery along with the battery cable on the palm-rest and keyboard assembly. 3. Align the screw holes on the 2-cell battery to the screw holes on the palm-rest and keyboard assembly. 4.

  • Page 63: Installing The 3-Cell Battery

    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 3-cell battery and provides a visual representation of the removal procedure. Figure 32. Removing the 3-cell battery Steps 1.

  • Page 64: Battery Cable

    Figure 33. Installing the 3-cell battery Steps 1. Place the 3-cell battery along with the battery cable on the palm-rest and keyboard assembly. 2. Adhere the tape to secure the battery cable to the battery. 3. Align the screw holes on the 3-cell battery to the screw holes on the palm-rest and keyboard assembly. 4.

  • Page 65: Installing The Battery Cable

    Figure 34. Removing the battery cable Steps 1. Flip the battery and unroute the battery cable from the routing guides on the battery. 2. Disconnect the battery cable from the connector on the battery. 3. Lift the battery cable away from the battery. NOTE: Dummy filler for a 2-cell battery is not required for the lightweight WLAN configuration.

  • Page 66: Heat-Sink With Fan

    Figure 35. Installing the battery cable Steps 1. Connect the battery cable to the connector on the battery. 2. Route the battery cable through the routing guides on the battery. Next steps 1. Install the 2-cell battery or the 3-cell battery, whichever is applicable.
  • Page 67 Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the base cover. About this task NOTE: The heat-sink may become hot during normal operation. Allow sufficient time for the heat-sink to cool before you touch it. NOTE: For maximum cooling of the processor, do not touch the heat transfer areas on the heat-sink.

  • Page 68: Installing The Heat-Sink With Fan

    Installing the heat-sink with fan 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 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: Display Assembly

    3. Replace the four captive screws and two screws (M2x4) that secure the system fan to the system board. 4. In reverse sequential order (as indicated on the heat-sink), tighten the four captive screws that secure the heat-sink and fan assembly to the system board.
  • Page 70 Figure 38. Removing the display assembly Figure 39. Removing the display assembly Removing and installing Field Replaceable Units (FRUs)
  • Page 71 Figure 40. Removing the display assembly Steps 1. Remove the single screw (M2x2) securing the Darwin antenna cable bracket on the system board. NOTE: The steps from 1 to 4 apply only to computers shipped with a WWAN antenna installed in the display assembly. 2.

  • Page 72: Installing The Display Assembly

    Figure 41. Display assembly Installing the display 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. About this task NOTE: Ensure that the hinges are opened to the maximum before replacing the display assembly on the palm-rest and keyboard assembly.
  • Page 73 Figure 42. Installing the display assembly Figure 43. Installing the display assembly Removing and installing Field Replaceable Units (FRUs)
  • Page 74 Figure 44. Installing the display assembly Steps 1. Place the display assembly on a flat surface. 2. Slide the base assembly at an angle and gently press down on the hinges to align the screw holes on the display hinges with screw holes on the system board.

  • Page 75: Smart Card Reader

    Smart card reader Removing the smart card reader 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 speakers. 4.

  • Page 76: Installing The Smart Card Reader

    Figure 46. Removing the smart card reader Steps 1. Open the latch and disconnect the click pad flexible flat cable, keyboard backlight flexible printed circuit, and keyboard flexible printed circuit from the connector on the click pad. 2. Disconnect the smart card reader flexible flat cable from the respective connectors on the click pad. 3.
  • Page 77 Figure 47. Installing the smart card reader Removing and installing Field Replaceable Units (FRUs)
  • Page 78 Figure 48. Installing the smart card reader Removing and installing Field Replaceable Units (FRUs)

  • Page 79: System Board

    Steps 1. Align and place the smart card reader on the palm-rest and keyboard assembly. 2. Replace the four screws (M2x2) that secure the smart card reader to the palm-rest and keyboard assembly. 3. Adhere the smart card reader cable on the palm-rest and keyboard assembly. 4.
  • Page 80 5. USH daughterboard FFC connector 6. Battery cable connector 7. Click pad FFC connector 8. Coin-cell battery cable connector 9. Fan connector NOTE: For computers shipped without a WWAN card, a WWAN shielding cover and WWAN bracket is preinstalled to the computer.
  • Page 81 Figure 51. Removing the system board Steps 1. Remove the six screws (M2x4) securing the I/O daughterboard bridge connector board in place. 2. Remove the single screw (M2x2) screw securing the WLAN module bracket in place. 3. Remove the two screws (M2x2) securing the display cable bracket on the system board. 4.

  • Page 82: Installing The System Board

    Figure 52. CPU absorber Figure 53. CPU bracket absorber Installing the system board CAUTION: The information in this installation section is intended for authorized service technicians only. Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following image indicates the connectors on your system board.
  • Page 83 Figure 54. System board callout 1. WWAN card 2. LCD connector 3. Touchscreen and IR-camera cable connector 4. M.2 solid state drive connector 5. USH daughterboard FFC connector 6. Battery cable connector 7. Click pad FFC connector 8. Coin-cell battery cable connector 9.
  • Page 84 Figure 55. Installing the system board Removing and installing Field Replaceable Units (FRUs)
  • Page 85 Figure 56. Installing the system board Steps 1. Place the system board into the respective slot on the palm-rest and keyboard assembly. NOTE: Transfer the reusable WLAN absorbers to the new system board while replacing the system board. 2. Replace the three screws (M2x2.5) securing the system board in place. 3.

  • Page 86: Wlan-Antenna Module

    5. Follow the procedure in After working inside your computer. WLAN-antenna module Removing the WLAN-antenna module CAUTION: The information in this removal section is intended for authorized service technicians only. Prerequisites 1. Follow the procedure in Before working inside your computer.

  • Page 87: Installing The Wlan-Antenna Module

    Figure 57. Removing the WLAN-antenna module Steps 1. For computers shipped with WWAN antennas, remove the single screw (M2x2) that secure the Darwin antenna cable bracket to the system board. 2. Remove the Darwin antenna cable bracket from the system board. 3.
  • Page 88 About this task The following images indicate the location of the WLAN-antenna module and provide a visual representation of the installation procedure. Figure 58. Installing the WLAN-antenna module Steps 1. Slide and replace the WLAN-antenna module to the WLAN-antenna module slot on the system board. 2.

  • Page 89: I/O Daughterboard

    3. Install the WWAN card. 4. Install the SSD. 5. Install the base cover. 6. Follow the procedure in After working inside your computer. I/O daughterboard Removing the I/O daughterboard CAUTION: The information in this removal section is intended for authorized service technicians only. Prerequisites 1.
  • Page 90 Figure 59. Removing the I/O daughterboard Steps 1. Remove the single screw (M2x2) screw that secures the 4G WWAN card extension bracket to the palm-rest and keyboard assembly for the models that are shipped with a 4G WWAN card. 2. Remove the 4G WWAN card bracket from the computer for the models shipped with a 4G WWAN card. 3.
  • Page 91 The thermal pad sticker adhered onto the WWAN card compartment must be peeled off and transferred over to the replacement I/O daughterboard. Figure 60. Latitude 7650 4G WWAN Configuration (Gasket Sticker) Figure 61. Latitude 7650 5G WWAN Configuration (Thermal Pad Sticker) Removing and installing Field Replaceable Units (FRUs)

  • Page 92: Installing The I/O Daughterboard

    Installing the I/O daughterboard 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. NOTE: When replacing an I/O daughterboard for models shipped with a 4G WWAN card, the 4G WWAN card extension bracket and 4G gasket sticker must be removed and transferred over to the replacement I/O daughterboard.

  • Page 93: Power Button With Optional Fingerprint Reader

    Steps 1. Adhere the WWAN thermal pad that is affixed to the WWAN card compartment and move it to the new I/O daughterboard if you are replacing the I/O daughterboard for models that are shipped with 5G WWAN card. 2. Place the I/O daughterboard in its compartment from the gap in its top side and place it on the computer. 3.

  • Page 94: Installing The Power Button With Optional Fingerprint Reader

    The following images indicate the location of the power button with an optional fingerprint reader and provide a visual representation of the removal procedure. Figure 63. Removing the power button with optional fingerprint reader Steps 1. Remove the two screws (M1.6x1.7) that secure the power button to the palm-rest and keyboard assembly. 2.

  • Page 95: Keyboard

    Figure 64. Installing the power button with optional fingerprint reader Steps 1. Place the power button into its slot on the palm-rest and keyboard assembly. 2. Adhere the fingerprint reader flexible printed circuits to the connector on the palm-rest and keyboard assembly. NOTE: This step applies only to computers shipped with a power button with the fingerprint reader installed.
  • Page 96 NOTE: This procedure applies only to computers shipped with a WWAN card installed. 5. Remove the 2-cell battery or the 3-cell battery, whichever is applicable. 6. Remove the heat-sink. 7. Remove the speakers. 8. Remove the daughterboard. 9. Remove the Power button.

  • Page 97: Installing The Keyboard

    Figure 66. Removing the keyboard Steps 1. Peel the USH daughterboard flexible flat cable from the back of the keyboard. NOTE: This step applies only to computers shipped with a USH daughterboard installed. 2. Open the latch and disconnect the keyboard and keyboard backlight flat cable from the connector on the click pad. 3.
  • Page 98 Figure 67. Installing the keyboard Figure 68. Installing the keyboard Steps 1. Align the screw holes on the keyboard to the screw holes on the keyboard support plate and place the keyboard on the keyboard support plate. 2. Align and place the keyboard assembly in to its slot in the computer. 3.

  • Page 99: Palm-Rest Assembly

    4. Peel back the pieces of tape securing the WLAN main and aux antenna cables on the keyboard bracket. 5. Connect the keyboard and keyboard backlight flat cable to the back of the click pad. 6. Adhere the USH daughterboard flexible flat cable to the back of the keyboard. NOTE: This step applies only to computers shipped with a USH daughterboard installed.

  • Page 100: Installing The Palm-Rest Assembly

    The image below shows the palm-rest assembly after the pre-removal parts procedures have been performed for any palm-rest assembly replacement. Figure 69. Removing the palm-rest assembly Steps 1. For computers shipped with a carbon fiber palm-rest, use a fine-tipped instrument to push the nanoSIM outwards to remove it from its slot on the palm-rest assembly.
  • Page 101 Figure 70. Installing the palm-rest assembly Steps 1. For computers shipped with a carbon fiber palm-rest, align to the slot on the palm-rest assembly. 2. Place the palm-rest assembly on a flat surface and perform the post-requisites to install the palm-rest assembly. Next steps 1.

  • Page 102: Chapter 8: Graphics

    Graphics Table 30. Intel Arc Graphics specifications   Intel Arc Graphics specifications Values Bus type Integrated graphics NOTE: Intel Arc Graphics uses the computers memory as video memory. Memory type Shared system memory Graphics level i5/i7 Memory interface 64 Gbps, Unified Memory Architecture Estimated maximum power consumption (TDP) 28 W (H-series) included in the CPU power Overlay planes...

  • Page 103: Chapter 9: Software

    Your Latitude 7650 supports the following operating systems: ● Windows 11 22H2 ● Windows 11 23H2 ● Ubuntu Linux 22.04 LTS Drivers and downloads When troubleshooting, downloading, or installing drivers, it is recommended that you read the Dell Knowledge Base article Drivers and Downloads FAQs 000123347. Software...

  • Page 104: Chapter 10: 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 105: View Advanced 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 Latitude 7650 BIOS Version Displays the BIOS version number. BIOS Setup...
  • Page 106 Table 33. System setup options—Overview menu (continued) Overview Service Tag Displays the Service Tag of the computer. Asset Tag Displays the Asset Tag of the computer. Manufacture Date Displays the manufacture date of the computer. Ownership Date Displays the ownership date of the computer. Express Service Code Displays the Express Service Code of the computer.
  • Page 107 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 108 Table 34. System setup options—Boot Configuration menu (continued) Boot Configuration Enable Custom Mode Enables or disables the keys in the PK, KEK, db, and dbx security key databases to be modified. By default, the Enable Custom Mode option is disabled. Custom Mode Key Management Selects the custom values for expert key management.
  • Page 109 By default, the Video/Power only on Type-C Ports option is disabled. 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.
  • Page 110 Table 37. System setup options—Display menu  Display Display Brightness Brightness on battery power Enables to set the screen brightness when the computer is running on battery power. By default, the screen brightness is set to 50 when the computer is running on battery power.
  • Page 111 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. Block Sleep Enables or disables the computer from entering Sleep (S3) mode in the operating system.
  • Page 112 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 PTT fTPM data needs to be cleared. Intel Total Memory Encryption Multi-Key Total Memory Encryption When enabled, it protects memory from physical attacks.
  • Page 113 By default, the Start Data Wipe option is disabled. 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 for configuration and activation.
  • Page 114 Password prompt. ● The computer password is not prompted when the computer resumes from standby mode. Dell Technologies recommends using the computer password in situations where it is likely that a computer may be lost or stolen. M.2 PCIe SSD-0...
  • Page 115 BIOS passwords. You can modify the minimum and maximum length of the passwords and require passwords to contain certain character classes (upper case, lower case, digit, special character). Dell Technologies recommends setting the minimum password length to at least eight characters. Password Bypass The Password Bypass option allows the computer to reboot from the operating system without entering the computer or hard drive password.
  • Page 116 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 does not recommend enabling the Master Password Lockout unless you have implemented your own password recovery computer. Enable Master Password Lockout The Master Password Lockout setting allows you to disable the Recovery Password feature.
  • Page 117 Allows you to control the automatic boot flow for SupportAssist System Resolution Console and for Dell operating system Recovery Tool. By default, the Dell Auto OS Recovery Threshold value is set to 2. Table 43. System setup options—System Management menu ...
  • Page 118 Table 43. System setup options—System Management menu (continued) System Management Auto On Time Enable to set the computer to turn on automatically every day or on a preselected date and time. This option can be configured only if the Auto On Time is set to Everyday, Weekdays, or Selected Days.
  • 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 47. System setup options—Performance menu (continued) Performance Multiple Atom Cores Enables to change the number of Atom cores available to the operating system. The default value is set to the maximum number of cores. By default, the All Cores option is selected. Active Efficient Cores (E-Cores) Enables to change the number of CPU E-Cores available on the OS.

  • 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 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 125 Figure 72. BIOS-Setup When Block Boot Until Cleared is switch to OFF, you can choose either Continue to proceed with the normal computer boot-up or BIOS-Setup to clear the alert. Figure 73. BIOS-Setup NOTE: If the Continue option is selected, then you continue to see the alert each time the computer is turned on until the alert is cleared.
  • Page 126 Figure 74. Clear Intrusion Warning BIOS Setup...

  • Page 127: Chapter 11: 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 128: 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 129: 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 130: System-Diagnostic Lights

    System-diagnostic lights This section lists the system-diagnostic lights of your Latitude 7650. Table 51. 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 EC unable to program i-Fuse Replace the system board.

  • Page 131: Recovering The Operating System

    SupportAssist OS Recovery. Dell SupportAssist OS Recovery is a stand-alone tool that is preinstalled in all Dell computers that are installed with the Windows operating system. It consists of tools to diagnose and troubleshoot issues that may occur before your computer boots to the...

  • Page 132: Real-Time Clock (Rtc Reset)

    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 133 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 134: Chapter 12: 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 52. 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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