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Dell Latitude 7330 Rugged Extreme Service Manual
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Dell Latitude 7330 Rugged Extreme Service Manual

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Latitude 7330 Rugged Extreme
Service Manual
Regulatory Model: P149G
Regulatory Type: P149G001
May 2022
Rev. A01

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Summary of Contents for Dell Latitude 7330 Rugged Extreme

  • Page 1 Latitude 7330 Rugged Extreme Service Manual Regulatory Model: P149G Regulatory Type: P149G001 May 2022 Rev. A01...
  • Page 2 A WARNING indicates a potential for property damage, personal injury, or death. © 2021-2022 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

    BitLocker....................................10 Chapter 2: Removing and installing components................11 Recommended tools................................11 Screw list....................................11 Major components of Latitude 7330 Rugged Extreme.....................13 Primary solid state drive..............................15 Removing the M.2 2230 solid state drive......................15 Installing the M.2 2230 solid state drive.........................17 Removing the M.2 2280 solid state drive......................19 Installing the M.2 2280 solid state drive.........................21...
  • Page 4 RF switch board.................................39 Removing the RF switch board..........................39 Installing the RF switch board...........................41 WLAN card..................................42 Removing the WLAN card............................42 Installing the WLAN card............................43 WWAN card..................................45 Removing the WWAN card............................45 Installing the WWAN card............................46 Dock I/O board.................................. 47 Removing the dock I/O board..........................
  • Page 5 Clearing BIOS (System Setup) and System passwords................... 120 Clearing CMOS settings..............................120 Chapter 5: Troubleshooting......................121 Handling swollen Lithium-ion batteries........................121 Dell SupportAssist Pre-boot System Performance Check diagnostics...............121 Running the SupportAssist Pre-Boot System Performance Check.............. 122 Built-in self-test (BIST)..............................122 M-BIST..................................122 LCD Power rail test (L-BIST)..........................123...
  • Page 6 System-diagnostic lights..............................123 Recovering the operating system..........................124 Real-Time Clock (RTC Reset)............................124 Backup media and recovery options........................... 124 WiFi power cycle................................125 Drain residual flea power (perform hard reset)......................125 Chapter 6: Getting help and contacting Dell................126 Contents...

  • Page 7: Chapter 1: 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 8: Safety Precautions

    ESD protection is an increasing concern. 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.

  • Page 9: Esd Field Service Kit

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

  • Page 10: Transporting Sensitive Components

    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 About this task NOTE: Leaving stray or loose screws inside your computer may severely damage your computer.

  • Page 11: Chapter 2: Removing And Installing Components

    Removing and installing components NOTE: The images in this document may differ from your computer depending on the configuration you ordered. Recommended tools The procedures in this document may require the following tools: ● Phillips screwdriver #0 ● Phillips screwdriver #1 ●...
  • Page 12 Table 1. Screw list (continued) Component Screw type Quantity Screw image Base cover M2.5x5 M2.5x3 M2x5 Express card M2x3 M2.5x5 (captive screws) RF switch board M2.5x5 WLAN card M2x3 WWAN card M2x3 M2x5.5 Smart card M2x3 USH board M2x3 Inner frame M2x5 Left I/O board M2x3...

  • Page 13: Major Components Of Latitude 7330 Rugged Extreme

    Display bezel M2.5x6, T8 8 (blue) M2.5x6, T8 8 (yellow) Display hinges M3x6, T8 M3x8, T8 Camera M2x5 Major components of Latitude 7330 Rugged Extreme The following image shows the major components of Latitude 7330 Rugged Extreme. Removing and installing components...
  • Page 14 Removing and installing components...

  • Page 15: Primary Solid State Drive

    23. WWAN module 24. Battery NOTE: Dell provides a list of components and their part numbers for the original system configuration purchased. These parts are available according to warranty coverages purchased by the customer. Contact your Dell sales representative for purchase options.
  • Page 16 Removing and installing components...

  • Page 17: Installing The M.2 2230 Solid State Drive

    Steps 1. Remove the (M2x3) screw on the SSD door latch cover. 2. Push the SSD latch and lift the SSD door. 3. Push the carrier latch to release the SSD carrier. 4. Pull the mylar tape to lift the SSD carrier of the computer. 5.
  • Page 18 Removing and installing components...

  • Page 19: Removing The M.2 2280 Solid State Drive

    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 system setup (BIOS) program. NOTE: A list of storage devices are displayed under the System Information in the General group.
  • Page 20 About this task The following images indicate the location of the solid state drive and provide a visual representation of the removal procedure. Removing and installing components...

  • Page 21: Installing The M.2 2280 Solid State Drive

    Steps 1. Remove the (M2x3) screw on the SSD door latch cover. 2. Push the SSD latch and lift the SSD door. 3. Push the carrier latch to release the SSD carrier. 4. Pull the mylar tape to lift the SSD carrier of the computer. 5.
  • Page 22 Removing and installing components...
  • Page 23 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 system setup (BIOS) program. NOTE: A list of storage devices are displayed under the System Information in the General group.

  • Page 24: Battery

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

  • Page 25: Installing The Batteries

    If you are replacing a component, remove the existing component before performing the installation procedure. About this task NOTE: Latitude 7330 Rugged Extreme can accommodate two hot-swap capable batteries (Primary and optional). The installation procedure of the primary and optional battery are identical. NOTE: BIOS displays a Battery error when non-Latitude 7330 Rugged Extreme batteries are used.

  • Page 26: Stylus

    Steps 1. Align the pins on the battery with the connector on the system. NOTE: Ensure that the metal pin of the battery is aligned in place. 2. Place the battery into the battery bay until it clicks into place. 3.

  • Page 27: Installing The Stylus

    Steps Press the stylus, and slide it out of the slot. Installing the stylus 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 stylus and provides a visual representation of the installation procedure. Steps Insert the stylus into the slot on the system.

  • Page 28: Handle

    Next steps 1. Follow the procedure in after working inside your computer. Handle Removing the handle Prerequisites NOTE: The handle screw is part of the handle assembly and cannot be ordered separately. 1. Follow the procedure in before working inside your computer.

  • Page 29: Keyboard

    Steps 1. Align the handle and the screw holes on the system. 2. Replace the two (M3.5x9) screws to secure the handle to the system. Next steps 1. Follow the procedure in after working inside your computer. Keyboard Removing the keyboard Prerequisites 1.
  • Page 30 Removing and installing components...

  • Page 31: Installing The Keyboard

    Steps 1. Remove the six (M2.5x4) screws that secure the keyboard and pry at the bottom edge of the keyboard. 2. Pry the keyboard from the front and then round the sides before flipping it 90° to incline over the touchpad. 3.

  • Page 32: Base Cover

    Steps 1. Place the keyboard on the system chassis. 2. Connect the keyboard and backlight flexible printed cables to the connectors on the system board. Adhere the keyboard and backlight flexible printed cable with kapton tapes to the connectors. 3. Replace the four (M2x3.5) screws that secure the keyboard cover to the system chassis. 4.

  • Page 33: Installing The Base Cover

    Steps 1. In sequential order, remove the 27 (M2.5x5) and four (M2.5x3) screws that secure the base cover to the system chassis. 2. Remove the (M2x5) screw in the solid-state drive slot of the system chassis. 3. Disconnect the left and right battery cables from the connectors on the system board. 4.

  • Page 34: Coin-Cell Battery

    Steps 1. Place the base cover on the system chassis. 2. Connect the left and right battery cables to the connectors on the system board. 3. Replace the (M2x5) screw in the solid state drive slot of the system chassis. 4.

  • Page 35: Installing The Coin-Cell Battery

    About this task The following images indicate the location of the coin-cell battery and provide a visual representation of the removal procedure. Steps 1. Disconnect the coin-cell battery cable from the system board. 2. Peel the coin-cell battery off the system chassis. Installing the coin-cell battery Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.

  • Page 36: Expresscard Reader

    Steps 1. Adhere the coin-cell battery to the slot on the system chassis. 2. Connect the coin-cell battery cable to the connector on the system board. Next steps 1. Install the base cover. 2. Install the primary M.2 2280 solid state drive primary M.2 2230 solid state drive.

  • Page 37: Installing The Express Card Reader

    Steps 1. Disconnect and remove the express card reader flat printed cable from its connectors on the system board and express card reader board. 2. Remove the four (M2x3) screws that secure the express card reader board to the express card reader bracket. 3.

  • Page 38: Fan

    Steps 1. Align the express card reader bracket with the screw holes on the system chassis. 2. Replace the four (M2x3) screws that secure the express card reader bracket to the system chassis. 3. Place the express card reader board and replace the four (M2x3) screws to secure it to the express card reader bracket. 4.

  • Page 39: Installing The Fan

    Installing the fan 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 fan and provides a visual representation of the installation procedure. Steps 1.
  • Page 40 Steps 1. Disconnect the WLAN, WWAN, and GPS antennas from the RF switch board. 2. Peel the adhesive tape and disconnect the flexible printed cable from the RF switch board. 3. Remove the two (M2.5x5) screws that secure the RF switch board to the system board. 4.

  • Page 41: Installing The Rf Switch Board

    Installing the RF switch board 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 RF switch board and provides a visual representation of the installation procedure.

  • Page 42: Wlan Card

    Steps 1. Place and align the RF switch board with screw holes on the system board. 2. Connect the flexible printed cable to the RF switch board. Adhere the flexible printed cable with kapton tape to the connector. 3. Replace the two (M2.5x5) screws that secure the RF switch board to the system board. 4.

  • Page 43: Installing The Wlan Card

    Steps 1. Remove the (M2x3) screw that secures the WLAN card holder to the system board. 2. Remove the WLAN card holder. 3. Disconnect the antenna cables from the WLAN card. Table 2. Connectors on the wireless card Antenna Cable Color Main (white triangle) White Auxiliary (black triangle)
  • Page 44 Steps 1. Slide the WLAN card at an angle into the WLAN card slot. 2. Connect the antenna cables to the WLAN card. The following table provides the antenna-cable color scheme for the WLAN card that supports your laptop. Table 3. Connectors on the wireless card Antenna Cable Color Main (white triangle)

  • Page 45: Wwan Card

    WWAN card Removing the WWAN card Prerequisites 1. Follow the procedure in before working inside your computer. 2. Remove the battery. 3. Remove the primary M.2 2280 solid state drive primary M.2 2230 solid state drive. 4. Remove the base cover.

  • Page 46: Installing The Wwan Card

    Table 4. Connectors on the WWAN card Antenna Cable Color Main (white triangle) White and Grey (cable number 5) Auxiliary (black triangle) - ANT1 White and Black (cable number 6) Auxiliary (black triangle) - ANT3 Blue (cable number 8) Auxiliary (black triangle) - ANT2 Orange (cable number 7) 4.

  • Page 47: Dock I/O Board

    4. Replace the (M2x3) screw that secures the WWAN card holder to the system board. NOTE: For instructions on how to find your computer's IMEI (International Mobile Station Equipment Identity) number, see the knowledge base article 000143678 at https://www.dell.com/support/. Next steps 1. Install the RF switch board.

  • Page 48: Installing The Dock I/O Board

    Steps 1. Pry to flip the dock I/O board and disconnect the dock I/O flexible printed cable from the system board. 2. Lift the dock I/O board from the system board. Installing the dock I/O board 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 dock I/O board and provides a visual representation of the installation procedure.

  • Page 49: Global Positioning System (Gps)

    Steps 1. Place the dock I/O board and connect the dock I/O flexible printed cable to the system board. NOTE: Adhere the dock I/O flexible printed cable with kapton tapes to the connector. 2. Flip the dock I/O board. Next steps 1.

  • Page 50: Installing The Gps Board

    Installing the GPS board 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 Global Positioning System (GPS) board and provides a visual representation of the installation procedure.

  • Page 51: Installing The Left I/O Board

    Steps 1. Remove the two (M2x3) screws that secure the left I/O board to the system chassis. 2. Flip the left I/O board and disconnect the flexible printed cable to remove the left I/O board. Installing the left I/O board Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.

  • Page 52: Near Field Communication

    Steps 1. Place the left I/O board and connect the flexible printed cable to its connector. 2. Flip the left I/O board and replace the two (M2x3) screws to secure it to the system chassis. Next steps 1. Install the base cover.

  • Page 53: Installing The Near Field Communication

    Installing the near field communication 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 near field communication and provides a visual representation of the installation procedure.

  • Page 54: Installing The Smart Card

    About this task The following images indicate the location of the smart card and provide a visual representation of the removal procedure. Steps 1. Peel the adhesive tape and disconnect the smart card reader flat printed cable from the connector on the USH board. 2.

  • Page 55: Ush Board

    Steps 1. Place the smart card reader into the slot on the system chassis. 2. Replace the four (M2x3) screws that secure the smart card reader to the system chassis. 3. Connect the smart card reader flat printed cable to the connector on the USH board. Next steps 1.

  • Page 56: Installing The Ush Board

    4. Remove the base cover. About this task The following images indicate the location of the USH board and provide a visual representation of the removal procedure. Steps 1. Peel the adhesive tape and disconnect the smart card reader I/O board flat printed cable from the connector on the USH board.

  • Page 57: Inner Frame

    Steps 1. Align the positioning holes of USH board with the system chassis. 2. Replace the two (M2x3) screws that secure the USH board to the system chassis. 3. Connect the smart card reader I/O board flat printed cable to the connector on the USH board. Next steps 1.

  • Page 58: Installing The Inner Frame

    5. Remove the RF switch board. 6. Remove the WLAN card. 7. Remove the WWAN card. 8. Remove the dock I/O board. 9. Remove the board. About this task The following images indicate the location of the inner frame and provide a visual representation of the removal procedure. Steps 1.
  • Page 59 Steps 1. Align the inner frame with the screw holes on the system board. 2. Replace the four (M2x5) screws that secure the inner frame to the system board. 3. Route the WLAN, WWAN, and GPS antennas through their routing guides on the system chassis. Next steps 1.

  • Page 60: Heat Sink

    Heat sink Removing the heat-sink - for computers with integrated graphics card Prerequisites 1. Follow the procedure in before working inside your computer. 2. Remove the battery. 3. Remove the primary M.2 2280 solid state drive primary M.2 2230 solid state drive.

  • Page 61: Rear I/O Board

    About this task The following image indicates the location of the heat-sink and provides a visual representation of the installation procedure. Steps 1. Align the heat-sink screw holes with the system board and place it on the system chassis. 2. Replace the four (M2x5) screws (in sequential order, 1->2->3->4) to secure the heat-sink to the system board. Next steps 1.

  • Page 62: Installing The Rear I/O Board

    About this task The following images indicate the location of the rear I/O board and provide a visual representation of the removal procedure. Steps 1. Peel the adhesive tape and disconnect the rear I/O flat printed cable. 2. Remove the two (M2x3) screws that secure the rear I/O board to the system board. Installing the rear I/O board Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.

  • Page 63: Right Type-C Daughterboard

    Steps 1. Align the rear I/O board with the screw holes on the system board. 2. Replace the two (M2x3) screws that secure the rear I/O board to the system board. 3. Connect the rear I/O flat printed cable. Adhere the rear I/O flat printed cable with kapton tapes to the connector. Next steps 1.
  • Page 64 4. Remove the keyboard. 5. Remove the base cover. 6. Remove the fan. 7. Remove the heat-sink (UMA). 8. Remove the RF switch board. 9. Remove the WLAN card. 10. Remove the WWAN card. 11. Remove the dock I/O board. 12.

  • Page 65: Installing The Right Type-C Daughterboard

    Installing the right Type-C daughterboard 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 right Type-C daughterboard and provides a visual representation of the installation procedure.

  • Page 66: System Board

    6. Install the heat-sink (UMA). 7. Install the fan. 8. Install the base cover. 9. Install the keyboard. 10. Install the primary M.2 2280 solid state drive primary M.2 2230 solid state drive. 11. Install the battery. 12. Follow the procedure in after working inside your computer.
  • Page 67 1. Power button board cable connector 2. WWAN card connector 3. Right Type-C cable connector 4. WLAN card connector 5. Rear I/O daughter board connector 6. Left Type-C cable connector 7. RF switch board connector 8. Dock I/O flat printed cable connector 9.
  • Page 68 1. Touchpad cable connector 2. Backlight flat printed cable connector 3. Keyboard cable connector The following images indicate the location of the system board and provide a visual representation of the removal procedure. Removing and installing components...
  • Page 69 Removing and installing components...
  • Page 70 Removing and installing components...
  • Page 71 Steps NOTE: The following epoxy screw locations will require additional focus. These screws are difficult to remove and there may be damage during the removal process. To prevent damage to the screws and surrounding plastics, please use the correct screwdriver for each screw type. Remove the two epoxy cap (M2.5x5.5) screws that secure the serial RS-232 port to the system chassis.

  • Page 72: Installing The System Board

    Installing the system board 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. 1. Power button board cable connector 2. WWAN card connector 3.
  • Page 73 1. Touchpad cable connector 2. Backlight flat printed cable connector 3. Keyboard cable connector The following images indicate the location of the system board and provide a visual representation of the removal procedure. Removing and installing components...
  • Page 74 Removing and installing components...
  • Page 75 Removing and installing components...
  • Page 76 Steps 1. Place the system board and replace the seven (M2x5) screws that secure the system board to the system chassis. 2. Connect the following cables to their connector on the system board (L-R): power button board, , LED board, smart card reader flat printed, smart card I/O board flat printed, and left I/O board flat printed from the system board.

  • Page 77: Left Type-C Daughterboard

    3. Install the smart card reader I/O board. 4. Install the smart card reader. 5. Install the rear I/O board. 6. Install the inner frame. 7. Install the board. 8. Install the express card reader. 9. Install the dock I/O board.

  • Page 78: Installing The Left Type-C Daughterboard

    Steps 1. Remove the (M2x5) screw that secures the flat printed cable holder to the left Type-C daughterboard. 2. Disconnect the flat printed cable from its connector on the left Type-C daughterboard. 3. Disconnect the daughterboard cable from its connector on the left Type-C daughterboard. 4.
  • Page 79 Steps 1. Place the left Type-C daughterboard on the system chassis. 2. Replace the (M2x3.5) and three (M2x5) screws that secure the left Type-C daughterboard to the system chassis. 3. Connect the daughterboard cable to its connector on the left Type-C daughterboard. 4.

  • Page 80: Power Button With Fingerprint Reader

    Power button with fingerprint reader Removing the power button board with fingerprint reader Prerequisites 1. Follow the procedure in before working inside your computer. 2. Remove the battery. 3. Remove the primary M.2 2280 solid state drive primary M.2 2230 solid state drive.

  • Page 81: Display Assembly

    Steps 1. Place the power button with fingerprint-reader board on the system chassis. 2. Replace the three (M2x5) screws that secure the power button with fingerprint reader bracket to the system chassis. 3. Connect the fingerprint reader cable to its connector on the power button board. Next steps 1.
  • Page 82 17. Remove the heat-sink (UMA) 18. Remove the system board. About this task The following images indicate the location of the display assembly and provide a visual representation of the removal procedure. Removing and installing components...
  • Page 83 Steps 1. Remove the two (M2.5x5) screws that secure the left/right hinge covers to the system chassis. 2. Remove the left/right hinge covers from the system chassis. 3. Remove the eight (M3x6, T8) epoxy screws that secure the display assembly to the system chassis. 4.

  • Page 84: Installing The Display Assembly

    Installing the display assembly 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 display assembly and provides a visual representation of the installation procedure.
  • Page 85 Steps 1. Align and place the display assembly on the system chassis. 2. Replace the eight (M3x6, T8) epoxy screws that secure the display assembly to the system chassis 3. Replace the left/right hinge covers to the system chassis and close the lid. 4.

  • Page 86: Display Bezel

    Next steps 1. Install the system board. 2. Install the heat-sink (UMA). 3. Install the fan. 4. Install the smart card reader I/O board. 5. Install the smart card reader. 6. Install the board. 7. Install the inner frame. 8. Install the express card reader.
  • Page 87 Removing and installing components...

  • Page 88: Installing The Display Bezel

    Steps 1. Remove the 4 (M2.5x6, T8) epoxy screws that secure the display bezel to the display assembly. 2. Close the lid and in sequential order, remove the 11 (M2.5x6, T8) screws that secure the display bezel to the display assembly.
  • Page 89 Removing and installing components...
  • Page 90 Steps 1. Connect the touch cable to its connector on the touch screen board. 2. Connect the eDP cable to its connector on the LCD module and flip the display bezel on the display assembly. 3. Align the display bezel with the display assembly. Gently snap the display bezel into place. 4.

  • Page 91: Camera

    Camera Removing the camera Prerequisites 1. Follow the procedure in before working inside your computer. 2. Remove the battery. 3. Remove the primary M.2 2280 solid state drive primary M.2 2230 solid state drive. 4. Remove the keyboard. 5. Remove the base cover.

  • Page 92: Display Hinges

    About this task The following image indicates the location of the camera and provides a visual representation of the installation procedure. Steps 1. Replace the two (M2x5) screws to secure the camera module to the display panel. 2. Connect the eDP cable on the camera module and adhere the adhesive tape on it. Next steps 1.

  • Page 93: Installing The Display Hinges

    6. Remove the fan. 7. Remove the heat-sink (UMA). 8. Remove the RF switch board. 9. Remove the WLAN card. 10. Remove the WWAN card. 11. Remove the dock I/O board. 12. Remove the rear I/O board. 13. Remove the system board.

  • Page 94: Display Cable

    Steps 1. Align the left hinge and replace the four (M3x6, T8) epoxy screws to secure the left hinge to the display assembly. 2. Align the right hinge and replace the four (M3x8, T8) epoxy screws to secure the right hinge to the display assembly. Next steps 1.

  • Page 95: Installing The Display Cable

    7. Remove the heat-sink (UMA). 8. Remove the RF switch board. 9. Remove the WLAN card. 10. Remove the WWAN card. 11. Remove the dock I/O board. 12. Remove the rear I/O board. 13. Remove the system board. 14. Remove the display assembly.

  • Page 96: Display Panel

    Steps Adhere the adhesive tape to the eDP cable and to the display cover. Next steps 1. Install the display hinges. 2. Install the camera. 3. Install the display bezel. 4. Install the display assembly. 5. Install the system board. 6.

  • Page 97: Installing The Display Panel

    4. Remove the keyboard. 5. Remove the base cover. 6. Remove the RF switch board. 7. Remove the WLAN card. 8. Remove the WWAN card. 9. Remove the dock I/O board. 10. Remove the rear I/O board. 11. Remove the express card reader.
  • Page 98 About this task The following image indicates the location of the display panel and provides a visual representation of the installation procedure. Steps After performing the succeeding steps, you are left with the display panel. Next steps 1. Install the display cable.

  • Page 99: Display Back-Cover

    Display back-cover Removing the display back cover Prerequisites 1. Follow the procedure in before working inside your computer. 2. Remove the battery. 3. Remove the primary M.2 2280 solid state drive primary M.2 2230 solid state drive. 4. Remove the keyboard. 5.

  • Page 100: Installing The Display Back Cover

    Steps After performing the preceding steps, you are left with the display back cover. Installing the display back cover 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 display back cover and provides a visual representation of the installation procedure.

  • Page 101: Palmrest Assembly

    17. Install the WLAN card. 18. Install the RF switch board. 19. Install the base cover. 20. Install the keyboard. 21. Install the primary M.2 2280 solid state drive primary M.2 2230 solid state drive. 22. Install the battery. 23. Follow the procedure in after working inside your computer.

  • Page 102: Installing The Palmrest Assembly

    Steps After performing the preceding steps, you are left with the palmrest assembly. Installing the palmrest assembly 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 palmrest assembly and provides a visual representation of the installation procedure.
  • Page 103 Steps After performing the succeeding steps, you are left with the palmrest assembly. Next steps 1. Install the power button board with finger print reader. 2. Install the display assembly. 3. Install the system board. 4. Install the heat-sink (UMA). 5.

  • Page 104: Chapter 3: Drivers And Downloads

    Drivers and downloads When troubleshooting, downloading or installing drivers it is recommended that you read the Dell Knowledge Based article, Drivers and Downloads FAQ 000123347. Drivers and downloads...

  • Page 105: Chapter 4: Bios Setup

    BIOS setup CAUTION: Unless you are an expert computer user, do not change the settings in the BIOS Setup program. Certain changes can make your computer work incorrectly. NOTE: Depending on the computer and its installed devices, the items listed in this section may or may not be displayed. NOTE: Before you change BIOS Setup program, it is recommended that you write down the BIOS Setup program screen information for future reference.

  • Page 106: System Setup Options

    Depending on your system and its installed devices, the items that are listed in this section may or may not appear. Table 7. System setup options—System information menu Overview Latitude 7330 Rugged Extreme BIOS Version Displays the BIOS version number.
  • Page 107 Table 7. System setup options—System information menu (continued) Overview Processor L3 Cache Displays the processor L3 Cache size. 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 Information Memory Installed Displays the total system memory installed.
  • Page 108 By default, the Video/Power only on Type-C Ports option is disabled. Type-C Dock Override Enables 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 109 Table 9. System setup options—Integrated Devices menu (continued) Integrated Devices By default, the all options are enabled. Table 10. System setup options—Storage menu Storage SATA/NVMe Operation SATA/NVMe Operation Set the operating mode of the integrated storage device controller. By default, the RAID On option is enabled. Storage interface Port Enablement This page allows you to enable the onboard drives.
  • Page 110 Table 12. System setup options—Connection menu Connection Network Controller Configuration Integrated NIC This option controls the on-board LAN controller. By default, the Enabled with PXE option is enabled. Onboard Unmanaged NIC This option controls the on-board USB LAN controller. By default, the Enabled option is selected. Wireless Device Enable WWAN/GPS Enable or disable the internal WWAN/GPS device...
  • Page 111 By default, the Optimized option is enabled. USB Wake Support Wake on Dell USB-C Dock When enabled, connecting a Dell USB-C Dock will wake the system from Standby, Hibernate, and Power Off. By default, the Wake on Dell USB-C Dock option is enabled.
  • Page 112 Table 14. System setup options—Security menu (continued) Security By default, the Key Storage Enable option is enabled. SHA-256 When enabled, the BIOS and TPM will use the SHA-256 hash algorithm to extend measurements into the TPM PCRs during BIOS boot. By default, the SHA-256 option is enabled.
  • Page 113 Allow Non-Admin PSID Revert Enable Allow Non-Admin PSID Revert Controls access to the Physical Security ID (PSID) revert of NVMe hard-drives from the Dell Security Manager prompt. By default, the option is disabled. Table 16. System setup options—Update, Recovery menu...
  • Page 114 Dell Auto operating system Recovery Controls the automatic boot flow for SupportAssist System Resolution Console Threshold and for Dell operating system Recovery Tool. By default, the threshold value is set to 2. Table 17. System setup options—System Management menu System Management Service Tag Displays the Service Tag of the system.
  • Page 115 Table 18. System setup options—Keyboard menu (continued) Keyboard Lock Mode By default, the Lock Mode Secondary option is enabled. With this option, the F1-F2 keys scan the code for their secondary functions. Keyboard Illumination Enables to change the keyboard illumination settings. By default, the Level is 100% option is enabled.
  • Page 116 Table 20. System setup options—Virtualization menu (continued) Virtualization By default, the option is enabled. Intel Trusted Execution Technology (TXT) Enable Intel Trusted Execution Specifies whether a measured Virtual Machine Monitor (MVMM) can use the Technology (TXT) additional hardware capabilities that are provided by Intel Trusted Execution Technology.

  • Page 117: Updating The Bios

    Steps 1. Go to www.dell.com/support. 2. Click Product support. In the Search support box, enter the Service Tag of your computer, and then click Search. NOTE: If you do not have the Service Tag, use the SupportAssist feature to automatically identify your computer. You can also use the product ID or manually browse for your computer model.

  • Page 118: Updating The Bios Using The Usb Drive In Windows

    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 119: System And Setup Password

    Steps 1. From a turn off state, insert the USB drive where you copied the flash into a USB port of the computer. 2. Turn on the computer and press F12 to access the One-Time Boot Menu, select BIOS Update using the mouse or arrow keys then press Enter.

  • Page 120: Deleting Or Changing An Existing System Setup Password

    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 on how to reset Windows or application passwords, refer to the documentation accompanying Windows or your application.

  • Page 121: Chapter 5: 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 122: Running The Supportassist Pre-Boot System Performance Check

    Running the SupportAssist Pre-Boot System Performance Check Steps 1. Turn on your computer. 2. As the computer boots, press the F12 key as the Dell logo appears. 3. On the boot menu screen, select the Diagnostics option. 4. Click the arrow at the bottom left corner.

  • Page 123: 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 PC settings.

  • Page 124: 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 125: Wifi Power Cycle

    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, see the knowledge base article https://www.dell.com/ support/kbdoc/000130881 at www.dell.com/support. Troubleshooting...

  • Page 126: Chapter 6: 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 26. Self-help resources Self-help resources Resource location Information about Dell products and services www.dell.com My Dell app...

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