Dell Latitude 3330 Service Manual
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Dell Latitude 3330 Service Manual

Dell Latitude 3330 Service Manual

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Latitude 3330/Latitude 3330 2-in-1
Service Manual
Regulatory Model: P158G/P159G
Regulatory Type: P158G001/P158G002/P159G001/P159G002
May 2023
Rev. A03

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Summary of Contents for Dell Latitude 3330

  • Page 1 Latitude 3330/Latitude 3330 2-in-1 Service Manual Regulatory Model: P158G/P159G Regulatory Type: P158G001/P158G002/P159G001/P159G002 May 2023 Rev. A03...
  • Page 2 A WARNING indicates a potential for property damage, personal injury, or death. © 2022-2023 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

    After working inside your computer..........................9 BitLocker..................................9 Chapter 2: Removing and installing components................10 Recommended tools................................10 Screw list..................................... 10 Major components of Latitude 3330..........................11 Micro-secure digital (mSD) card............................13 Removing the micro-secure digital card.........................13 Installing the micro-secure digital card........................14 Base cover................................... 14 Removing the base cover............................14...
  • Page 4 Deleting or changing an existing system setup password.................80 Clearing BIOS (System Setup) and System passwords................... 81 Chapter 5: Troubleshooting......................82 Handling swollen rechargeable Li-ion batteries......................82 Dell SupportAssist Pre-boot System Performance Check diagnostics..............82 Running the SupportAssist Pre-Boot System Performance Check..............83 Contents...
  • Page 5 LCD Built-in Self Test (BIST)........................... 84 System-diagnostic lights..............................84 Recovering the operating system..........................86 Real-Time Clock (RTC Reset)............................86 Backup media and recovery options..........................87 WiFi power cycle................................87 Drain residual flea power (perform hard reset)......................87 Chapter 6: Getting help and contacting Dell................88 Contents...

  • Page 6: 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 7: 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 8: 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 9: 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.

  • Page 10: 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 11: Major Components Of Latitude 3330

    M2x3 Power button with optional M2x3 fingerprint reader Touchpad bracket M2x2.5 Touchpad module M2x1.8 USB type-C bracket M2x3 System board M2x2 Major components of Latitude 3330 The following image shows the major components of Latitude 3330. Removing and installing components...
  • Page 12 Removing and installing components...

  • Page 13: Micro-Secure Digital (Msd) Card

    16. M.2 2280 solid-state drive 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 14: Installing The Micro-Secure Digital Card

    Installing the micro-secure digital card Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following images indicate the location of the micro-secure digital card and provide a visual representation of the installation procedure.
  • Page 15 Removing and installing components...

  • Page 16: Installing The Base Cover

    Steps 1. Loosen the seven captive screws that secure the base cover to the chassis. 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. 3.
  • Page 17 Removing and installing components...
  • Page 18 Steps 1. Place the base cover on top of the chassis. 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. 3. Tighten the seven captive screws to secure the base cover to the chassis. Next steps 1.

  • Page 19: Battery

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

  • Page 20: Installing The 3-Cell Battery

    Steps 1. Use the pull tab to disconnect the battery cable from the connector system board. 2. Remove the three screws (M2x3) that secure the 3-cell battery to the palm-rest and keyboard assembly. 3. Lift the 3-cell battery, along with the battery cable, at an angle. Slide out the 3-cell battery to remove it from the palm-rest and keyboard assembly.
  • Page 21 Steps 1. Connect the battery cable to the 3-cell battery. 2. Slide and place the 3-cell battery, along with the battery cable, at an angle on the palm-rest and keyboard assembly. 3. Align the screw holes on the 3-cell battery to the screw holes on the palm-rest and keyboard assembly. 4.

  • Page 22: Removing The 4-Cell Battery

    Removing the 4-cell battery Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the base cover. About this task The following images indicate the location of the 4-cell battery and provide a visual representation of the removal procedure. Steps 1.

  • Page 23: M.2 Solid-State Drive

    Steps 1. Connect the battery cable to the 4-cell battery. 2. Slide and place the 4-cell battery, along with the battery cable, at an angle on the palm-rest and keyboard assembly. 3. Align the screw holes on the 4-cell battery to the screw holes on the palm-rest and keyboard assembly. 4.

  • Page 24: Installing The M.2 2230 Solid-State Drive

    NOTE: The M.2 card that is installed on your system depends on the configuration ordered. Supported card configurations on the M.2 card slot are: ● M.2 2230 solid-state drive ● M.2 2280 solid-state drive The following images indicate the location of the M.2 2230 solid-state drive and provide a visual representation of the removal procedure.

  • Page 25: Removing The M.2 2280 Solid-State Drive

    Steps 1. Align the notch on the M.2 2230 solid-state drive with the tab on the M.2 card connector on the system board. 2. Slide the M.2 2230 solid-state drive into the M.2 card connector on the system board. NOTE: A thermal pad sticker is adhered to the system board underneath the M.2230 solid-state drive.

  • Page 26: Installing The M.2 2280 Solid-State Drive

    ● M.2 2280 solid-state drive The following images indicate the location of the M.2 2280 solid-state drive and provide a visual representation of the removal procedure. Steps 1. Open the M.2 2280 solid-state drive mylar sheet that covers the M.2 2280 solid-state drive. NOTE: There is a protective mylar sheet covering the M.2 2280 solid-state drive.

  • Page 27: Wireless Card

    Steps 1. Align the notch on the M.2 2280 solid-state drive with the tab on the M.2 card connector on the system board. 2. Slide the M.2 2280 solid-state drive into the M.2 card connector on the system board. NOTE: A thermal pad sticker is adhered to the system board underneath the M.2280 solid-state drive.

  • Page 28: Installing The Wireless Card

    Steps 1. Remove the screw (M2x3) that secures wireless-card bracket to the system board. 2. Slide and remove the wireless-card bracket from the system. 3. Disconnect the WLAN-antenna cables from the respective connectors on the wireless card. 4. Lift and remove the wireless card from the wireless card slot on the system board. Installing the wireless card Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.
  • Page 29 About this task The following images indicate the location of the wireless card and provide a visual representation of the installation procedure. Steps 1. Connect the WLAN-antenna cables to the respective connectors on the wireless card. NOTE: The WLAN-antenna cable connectors are fragile, and utmost care should be taken while replacing them. Table 2.

  • Page 30: Thermal Fan

    Table 2. WLAN-antenna cable color scheme (continued) Connectors on the wireless card Antenna-cable color Auxiliary - Solid triangle (▲) on the wireless module of the Black cable system board 2. Align the notch on the wireless card with the tab on the wireless card slot. 3.

  • Page 31: Installing The Thermal Module

    Steps 1. Disconnect the thermal-fan cable from the connector on the system board. 2. Remove the two screws (M2x3) that secure the thermal fan to the system board. 3. Lift and remove the thermal fan from the system board. Installing the thermal module Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.

  • Page 32: Thermal Heat-Sink

    Steps 1. Place the thermal fan into its slot on the system board. 2. Align the screw holes on the thermal fan to the screw holes on the system board. 3. Replace the two screws (M2x3) to secure the thermal fan to the system board. 4.

  • Page 33: Installing The Thermal Heat-Sink

    About this task NOTE: The thermal heat-sink may become hot during normal operation. Allow sufficient time for the thermal heat-sink to cool before you touch it. NOTE: For maximum cooling of the processor, do not touch the heat transfer areas on the thermal heat-sink. The oils in your skin can reduce the heat transfer capability of the thermal grease.

  • Page 34: Coin-Cell Battery

    Steps 1. Place the thermal heat-sink into its slot on the system board. 2. Align the screw holes on the thermal heat-sink to the screw holes on the system board. 3. Tighten the four captive screws to secure the thermal heat-sink to the system board. NOTE: Tighten the four captive screws in the sequential order mentioned on the thermal heat-sink [1 >...

  • Page 35: Installing The Coin-Cell Battery

    Steps 1. Disconnect the coin-cell battery cable from the connector on the system board. 2. Using a plastic scribe, pry the coin-cell battery off its slot on the palm-rest and keyboard assembly. Installing the coin-cell battery 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 coin-cell battery and provides a visual representation of the installation procedure.

  • Page 36: Display Assembly

    Steps 1. Align and place the coin-cell battery into its slot on the palm-rest and keyboard assembly. 2. Connect the coin-cell battery cable to the connector on the system board. Next steps 1. Install the base cover. 2. Follow the procedure in After working inside your computer.
  • Page 37 Removing and installing components...
  • Page 38 Removing and installing components...
  • Page 39 Steps 1. Remove the two screws (M2x3) that secure the display-cable bracket in place to the system board. 2. Remove the display-cable bracket from the system board. 3. Peel the adhesive tape that secures the display cable. 4. Disconnect the display cable from the connector on the system board. 5.

  • Page 40: 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 NOTE: The display assembly installation procedure is the same for both clamshell and 2-in-1 convertible chassis. NOTE: Ensure that the hinges are opened to the maximum before replacing the display assembly on the palm-rest and keyboard assembly.
  • Page 41 Removing and installing components...
  • Page 42 Removing and installing components...

  • Page 43: I/O Board

    Steps 1. Place the display assembly on a flat surface. 2. Slide the display assembly at an angle and place the system chassis under the hinges of the display assembly. 3. Gently press down on the display hinges to align the screw holes on the display hinges with the screw holes on the palm-rest and keyboard assembly.

  • Page 44: Installing The I/O Board

    Steps 1. Remove the two screws (M2x3) that secure the left display hinge to the system. 2. Lift the left display hinge in upward direction away from the system. 3. Open the latch and disconnect the I/O-board cable from the connector on the I/O board. 4.
  • Page 45 Steps 1. Align and place the I/O board on the palm-rest and keyboard assembly. 2. Align the screw holes on the I/O board with the screw holes on the palm-rest and keyboard assembly. 3. Replace the two screws (M2x3) to secure the I/O board to the palm-rest and keyboard assembly. 4.

  • Page 46: Power Button

    Power button Removing the power button Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the base cover. 3. Remove the board. About this task The following images indicate the location of the power button and provide a visual representation of the removal procedure. Steps 1.

  • Page 47: Power Button With Optional Fingerprint Reader

    About this task The following images indicate the location of the power button and provide a visual representation of the installation procedure. Steps 1. Align and 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.

  • Page 48: Installing The Power Button With Optional Fingerprint Reader

    3. Remove the board. About this task The following images indicate the location of the power button with optional fingerprint reader and provide a visual representation of the removal procedure. Steps 1. Remove the screw (M2x3) that secures the power button with optional fingerprint reader to the palm-rest and keyboard assembly.

  • Page 49: Speakers

    Steps 1. Align and place the power button with optional fingerprint reader into its slot on the palm-rest and keyboard assembly. 2. Adhere the fingerprint reader flexible printed circuits to the connector on the power button. 3. Align the screw hole on the power button with optional fingerprint reader to the screw hole on the palm-rest and keyboard assembly.
  • Page 50 3. Remove the 3-cell battery or the 4-cell battery, whichever applicable. 4. Remove the wireless card. About this task The following images indicate the location of the speakers and provide a visual representation of the removal procedure. Removing and installing components...

  • Page 51: Installing The Speakers

    Steps 1. Open the latch and disconnect the touchpad flexible flat cable and keyboard flexible printed circuits from the connector on the system board. 2. Disconnect the speaker cable from the connector on the system board. 3. Peel the adhesive tapes that secure the speaker cable in place to the palm-rest and keyboard assembly. 4.
  • Page 52 Steps 1. Align and place the speakers in the slot on the chassis. 2. Route the speaker cables through the routing guides on the palm-rest and keyboard assembly. 3. Adhere the adhesive tapes to secure the speaker cable to the palm-rest and keyboard assembly. 4.

  • Page 53: Touchpad

    5. Connect the touchpad flexible flat cable and keyboard flexible printed circuits to the connector on the system board and close the latch. Next steps 1. Install the wireless card. 2. Install the 3-cell battery or the 4-cell battery, whichever applicable. 3.

  • Page 54: Installing The Touchpad

    2. Peel the adhesive shielding cover from over the touchpad. 3. Remove the three screws (M2x2.5) that secure the touchpad bracket to the touchpad module. 4. Lift and remove the touchpad bracket from the touchpad module. 5. Remove the two screws (M2x1.8) that secure the touchpad module to the palm-rest and keyboard assembly. 6.

  • Page 55: System Board

    Next steps 1. Install the speakers. 2. Install the 3-cell battery or the 4-cell battery, whichever applicable. 3. Install the base cover. 4. Follow the procedure in After working inside your computer. System board Removing the system board Prerequisites 1. Follow the procedure in Before working inside your computer.
  • Page 56 3. Coin-cell battery cable connector 4. Display cable connector 5. Power adapter port cable connector 6. Battery cable connector 7. M.2 solid-state drive connector 8. Keyboard cable connector 9. Keyboard backlit LED cable connector 10. Touchpad cable connector 11. WLAN card connector 12.

  • Page 57: Installing The System Board

    Steps 1. Remove the two screws (M2x3) that secure the display-cable bracket to the system board. 2. Remove the display-cable bracket from the system board. 3. Remove the two screws (M2x3) that secure the right display hinge to the system board. 4.
  • Page 58 Figure 2. System-board connectors 1. Speaker cable connector 2. Thermal fan cable connector 3. Coin-cell battery cable connector 4. Display cable connector 5. Power adapter port cable connector 6. Battery cable connector 7. M.2 solid-state drive connector 8. Keyboard cable connector 9.
  • Page 59 Removing and installing components...
  • Page 60 Steps 1. Align and place the system board on the palm-rest and keyboard assembly. 2. Align the screw holes on the system board with the screw holes on the palm-rest and keyboard assembly. 3. Replace the four screws (M2x2) to secure the system board to the palm-rest and keyboard assembly. 4.

  • Page 61: Power-Adapter Port

    9. Align the screw holes on the right display hinge with the screw holes on the system board. 10. Replace the two screws (M2x3) to secure the right display hinge to the system board. 11. Align and place the display-cable bracket on the display-cable connector on the system board. 12.

  • Page 62: Installing The Power-Adapter Port

    Steps 1. Remove the two screws (M2x3) that secure the right display hinge to the system. 2. Lift the right display hinge in upward direction away from the system. 3. Remove the screw (M2x3) that secures the USB type-C bracket to the system board. 4.
  • Page 63 Steps 1. Align and place the power-adapter port on the system board. 2. Connect the power-adapter port cable to the connector on the system board. 3. Align and place the USB type-C bracket on the system board. 4. Align the screw holes on the USB type-C bracket with the screw holes on the system board. 5.

  • Page 64: Palm-Rest And Keyboard Assembly

    Palm-rest and keyboard assembly Removing the palm-rest and keyboard assembly Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the base cover. 3. Remove the 3-cell battery or the 4-cell battery, whichever applicable. 4. Remove the M.2 2230 solid-state drive or the M.2 2280 solid-state...

  • Page 65: Installing The Palm-Rest And Keyboard Assembly

    Steps After performing the pre-requisites, you are left with the palm-rest and keyboard assembly. Installing the palm-rest and keyboard 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 palm-rest and keyboard assembly and provides a visual representation of the installation procedure.
  • Page 66 Steps Place the palm-rest and keyboard assembly on a flat surface and perform the post-requisites to install the palm-rest and keyboard assembly. Next steps 1. Install the power-adapter port. 2. Install the system board. NOTE: The system board can be installed with the thermal heat-sink attached to it in order to simplify the procedure and preserve the thermal bond between the system board and the thermal heat-sink.

  • Page 67: 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 68: 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 69: One Time Boot Menu

    Table 3. Navigation keys (continued) Keys Navigation Moves to the previous page until you view the main screen. Pressing Esc in the main screen displays a message that prompts you to save any unsaved changes and restarts the system. One time boot menu To enter one time boot menu, turn on your computer, and then press F12 immediately.
  • Page 70 Table 4. System setup options—System information menu (continued) Overview Maximum Clock Speed Displays the maximum processor clock speed. Minimum Clock Speed Displays the minimum processor clock speed. Current Clock Speed Displays the current processor clock speed. Core Count Displays the number of cores on the processor. Processor ID Displays the processor identification code.
  • Page 71 Table 5. System setup options—Boot Configuration menu (continued) Boot Configuration By default, the custom mode option is not enabled. Custom Mode Key Management Select the custom values for expert key management. Table 6. System setup options—Integrated Devices menu Integrated Devices Date/Time Displays the current date in MM/DD/YYYY format and current time in HH:MM:SS AM/PM format.
  • Page 72 Table 7. System setup options—Storage menu (continued) Storage Secure Digital (SD) Card Enable or disable the SD card. By default, the Secure Digital (SD) Card option is enabled. Secure Digital (SD) Card Read-Only Mode Enable or disable the SD card read-only mode. By default, the Secure Digital (SD) Card Read-Only Mode option is not enabled.
  • Page 73 By default, the Enable USB Wake Support option is disabled. 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 74 Table 11. System setup options—Security menu (continued) Security Clear Enables to clear the TPM owner information and returns the TPM to the default state. By default, the Clear option is disabled. PPI Bypass for Clear Commands Controls the TPM Physical Presence Interface (PPI). By default, the PPI ByPass for clear Commands option is disabled.
  • Page 75 By default, the option is enabled. 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. BIOS setup...
  • Page 76 Table 14. System setup options—System Management menu System Management Service Tag Displays the Service Tag of the system. Asset Tag Create a system Asset Tag. AC Behavior Wake on AC Enable or disable the wake on AC option. By default, the option is disabled. Auto on Time Enable to set the system to turn on automatically every day or on a preselected date and time.
  • Page 77 Table 17. System setup options—Virtualization menu (continued) Virtualization 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 78: Updating The Bios

    7. After the download is complete, browse the folder where you saved the BIOS update file. 8. Double-click the BIOS update file icon and follow the on-screen instructions. For more information, search in the Knowledge Base Resource at www.dell.com/support. Updating the BIOS in Linux and Ubuntu...

  • Page 79: 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 80: System And Setup Password

    System and setup password Table 20. System and setup password Password type Description System password Password that you must enter to log in to your system. Setup password Password that you must enter to access and make changes to the BIOS settings of your computer. You can create a system password and a setup password to secure your computer.

  • Page 81: Clearing Bios (System Setup) And System Passwords

    Clearing BIOS (System Setup) and System passwords About this task To clear the system or BIOS passwords, contact Dell technical support as described at www.dell.com/contactdell. NOTE: For information on how to reset Windows or application passwords, refer to the documentation accompanying Windows or your application.

  • Page 82: 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 83: 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 84: 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 85 (AC, battery, coin cell) and errors drain flea power by pressing and holding down power button for 3-5 seconds. CPU failure ● Run the Dell Support Assist/Dell Diagnostics tool. ● If problem persists, replace the system board. System board failure (included ●...

  • Page 86: 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 87: Backup Media And Recovery Options

    Backup media and recovery options It is recommended to create a recovery drive to troubleshoot and fix problems that may occur with Windows. Dell proposes multiple options for recovering Windows operating system on your Dell PC. For more information. see...

  • Page 88: 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 23. Self-help resources Self-help resources Resource location Information about Dell products and services www.dell.com My Dell app...

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