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Dell Latitude 9330 Service Manual
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Dell Latitude 9330 Service Manual

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Latitude 9330
Service Manual
Regulatory Model: P35S
Regulatory Type: P35S001
June 2022
Rev. A00

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Summary of Contents for Dell Latitude 9330

  • Page 1 Latitude 9330 Service Manual Regulatory Model: P35S Regulatory Type: P35S001 June 2022 Rev. A00...
  • Page 2 A WARNING indicates a potential for property damage, personal injury, or death. © 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

    Chapter 2: Removing and installing components................10 Recommended tools................................10 Screw list..................................... 10 Customer Replaceable Units (CRU) and Field Replaceable Units (FRU) list............11 Major components of Latitude 9330..........................12 SIM card tray..................................13 Removing the SIM-card..............................13 Installing the SIM-card tray............................14 Base cover...................................
  • Page 4 Clearing CMOS settings..............................72 Clearing BIOS (System Setup) and System passwords...................72 Chapter 5: Troubleshooting......................73 Handling swollen Lithium-ion batteries........................73 Dell SupportAssist Pre-boot System Performance Check diagnostics..............73 Running the SupportAssist Pre-Boot System Performance Check..............74 Built-in self-test (BIST)..............................74 M-BIST................................... 74 LCD Power rail test (L-BIST)...........................
  • Page 5 Chapter 6: Getting help and contacting Dell................79 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

    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: 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: Customer Replaceable Units (Cru) And Field Replaceable Units (Fru) List

    ● 37 ● M1.2x1.4 ● 1 ● ● Customer Replaceable Units (CRU) and Field Replaceable Units (FRU) list Table 2. CRU/FRU list Latitude 9330 CRU component FRU component SIM-card tray Base cover M.2 solid-state drive WWAN card System fan Heat sink...

  • Page 12: Major Components Of Latitude 9330

    Latitude 9330 CRU component FRU component Battery Left speaker Right speaker WLAN-antenna module System board Power button with FPR Keyboard Palm-rest assembly Major components of Latitude 9330 The following image shows the major components of Latitude 9330. Removing and installing components...

  • Page 13: Sim Card Tray

    19. WWAN-card shield cover 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 Sim-Card Tray

    Steps 1. Insert the SIM-card removal pin into the release hole to release the SIM-card tray. 2. Push the pin to disengage the lock, and eject the SIM-card tray. 3. Slide the SIM-card tray out of the slot on the system. 4.

  • Page 15: Base Cover

    Steps 1. Insert the SIM-card removal pin into the release hole to remove the SIM-card tray. 2. Push the pin to disengage the lock, and eject the SIM-card tray. 3. Slide the SIM-card tray out of the slot on the system. 4.
  • Page 16 Removing and installing components...
  • Page 17 CAUTION: Only use a plastic scribe to disengage and release the clips with the prying motion along the edges of the base cover. Do NOT use your fingers. Steps 1. Loosen the eight captive screws that secure the base cover to the palm-rest and keyboard assembly. 2.

  • Page 18: Installing The Base Cover

    NOTE: Pull the tab on the battery cable in a direct upward motion to disconnect the battery cable. 5. Turn your computer over and press the power button for 5 seconds to drain the flea power. Installing the base cover Prerequisites About this task The following images indicate the location of the base cover and provide a visual representation of the installation procedure.
  • Page 19 Removing and installing components...

  • Page 20: 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 21: Removing The Battery

    ● Always purchase genuine batteries from www.dell.com or authorized Dell partners and resellers. ● Swollen batteries should not be used and should be replaced and disposed properly. For guidelines on how to handle and replace swollen Lithium-ion batteries, see Handling swollen Lithium-ion batteries.

  • Page 22: Solid-State Drive

    Steps 1. Align and place the battery on the palm-rest and keyboard assembly. 2. Replace the five (M2x3.5) screws to secure the battery to the palm-rest and keyboard assembly. Next steps 1. Install the base cover. 2. Follow the procedure in After working inside your computer.

  • Page 23: Installing The M.2 2230 Solid-State Drive

    Steps 1. Using a plastic scribe, pry open the solid-state drive shielding cover from the recess at the bottom edge of the solid-state drive shielding cover. 2. Lift the solid-state drive shielding cover off the system board. 3. Remove the single (M2x2.5) screw that secures the solid-state drive to the system board. 4.

  • Page 24: Wwan Card

    Steps 1. Align the notch on the solid-state drive with the tab on the M.2 slot. NOTE: When replacing the system board, the thermal pad sticker underneath the solid-state drive must be transferred to the replacement system board. 2. Slide the solid-state drive into the M.2 slot. 3.

  • Page 25: Installing The Wwan Card

    Steps 1. Remove the single (M2x2.5) screw that secures the WWAN-card bracket to the system board. 2. Lift and remove the WWAN-card bracket from the computer. 3. Using a plastic scribe, pry open the WWAN-card shield cover from the WWAN card. 4.
  • Page 26 Steps 1. Align the notch on the WWAN card with the tab on the WWAN-card slot. NOTE: If the thermal pad underneath the WWAN card is detached from the system board, adhere it back to the system board. 2. Slide the WWAN card at an angle into the WWAN-card slot. 3.

  • Page 27: Fan

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

  • Page 28: Heat Sink

    Steps 1. Align and place the system fan onto the palm-rest and keyboard assembly. 2. Replace the two (M2x2.5) screws that secure the fan to the system board. 3. Connect the left-fan FPC to the connector on the system board. 4.
  • Page 29 About this task The following images indicate the location of the heat sink and provide a visual representation of the removal procedure. Steps 1. Peel back the tape covering the orange WWAN-antenna cable(AUX3) from the bottom side of the CPU-shielding cover. 2.

  • Page 30: Installing The Heat Sink

    3. Pry open the CPU-shielding cover from the top-left corner. 4. Remove the CPU-shielding cover from the computer. 5. Loosen the three (M2x2.5) screws in reverse sequential order (3 > 2 > 1) as indicated by the numbers on the heat sink. 6.
  • Page 31 Steps 1. Align the screw holes on the heat sink with the screw holes on the system board and place the heat sink on the system board. 2. In sequential order (1 > 2 > 3), as indicated by the numbers on the heat sink, tighten the three (M2x2.5) screws to secure the heat sink to the system board.

  • Page 32: Display Assembly

    4. Replace the foil from the top and bottom side of the CPU-shielding cover. 5. Replace the tape and cover the orange WWAN-antenna cable(AUX3) at the bottom side of the CPU-shielding cover. Next steps 1. Install the base cover. 2. Install the card.
  • Page 33 Removing and installing components...
  • Page 34 Steps 1. Remove the two (M2x2.5) screws that secure the display-cable bracket and remove the display-cable bracket from the computer. 2. Peel back the camera cable from the system board and disconnect the camera cable. 3. Using the pull tab, disconnect the display cable and camera cable from the connector on the system board. 4.

  • Page 35: Installing The Display Assembly

    NOTE: Press the edges of the laptop near the hinges, and fold back the hinges in the upward direction. 6. Remove the two (M2.5x3) screws from the right hinge and fold back the right hinge. 7. Open the system chassis to 45 degrees, and slide the system put from the display assembly. Installing the display assembly Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.

  • Page 36: Speakers

    Steps 1. Align and place the system chassis under the hinges of the display assembly. 2. Fold back the left and right hinges. 3. Install the four (M2.5x3) screws to secure the display hinges to the palm-rest and keyboard assembly. 4.

  • Page 37: Installing The Left Speaker

    5. Remove the battery. About this task The following images indicate the location of the left speaker and provide a visual representation of the removal procedure. Steps 1. Disconnect the speaker cable from the connector on the system board. 2. Peel back the adhesive tape that secures the orange WWAN-antenna cable(AUX3) to the system board. 3.

  • Page 38: Removing The Right Speaker

    Steps 1. Align and place the speakers in the slot on the palm-rest and keyboard assembly. 2. Replace the single (M2x2.5) screw to secure the speakers to the palm-rest and keyboard assembly. 3. Route the orange WWAN-antenna cable(AUX3) through the routing guides on the system board. 4.

  • Page 39: Installing The Right Speaker

    About this task The following images indicate the location of the right speaker and provide a visual representation of the removal procedure. Steps 1. Remove the single (M2x2.5) screw from the P-sensor bracket and remove the P-sensor bracket from the computer. 2.
  • Page 40 Steps 1. Align and place the right speaker in the slot on the palm-rest and keyboard assembly. 2. Replace the single (M2x2.5) screw to secure the right speaker to the palm-rest and keyboard assembly. 3. Route the speaker, green P-sensor cable, gray P-sensor cable, and the WLAN antenna cables through the routing guides on the system board.

  • Page 41: Wlan-Antenna Module

    WLAN-antenna module Removing the WLAN-antenna module Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the card. 3. Remove the base cover. About this task The following images indicate the location of the WLAN-antenna module and provide a visual representation of the removal procedure.

  • Page 42: Installing The Wlan-Antenna Module

    6. Lift and remove the WLAN-antenna module with its cables from the computer. Installing the WLAN-antenna module 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 WLAN-antenna module and provide a visual representation of the installation procedure.

  • Page 43: System Board

    Next steps 1. Install the battery. 2. Install the WWAN card. 3. Install the base cover. 4. Install the card. 5. 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 44 Removing and installing components...
  • Page 45 Steps 1. Remove the two (M2x2.5) screws from the display-cable bracket and remove the display-cable bracket from the computer. 2. Remove the single (M2x2.5) screw from the P-sensor bracket and remove the P-sensor bracket from the computer. 3. Remove the single (M2x2.5) screw from the WLAN bracket and remove the WLAN bracket from the computer. 4.

  • Page 46: Installing The System Board

    7. Remove the fingerprint-reader cable, LED-board FFC, Touch-pad FFC, USH-board FFC from their connectors on the system board. 8. Remove the display cable and camera cable from the routing guides on the palm-rest and keyboard assembly.. 9. Remove the green P-sensor cable, gray P-sensor cable, WLAN-antenna cables, Darwin cables, white/gray WWAN-antenna cables, black/gray WWAN-antenna cables, blue WWAN-antenna cable, and orange-WWAN antenna cable from the routing guides on the system board.
  • Page 47 Removing and installing components...
  • Page 48 Steps 1. Align and place the system board on the palm-rest and keyboard assembly. NOTE: When replacing the system board, technicians must transfer the following items to the replacement system board: ● Thermal-pad sticker underneath the WWAN card ● Thermal-pad sticker underneath the M.2 SSD 2.

  • Page 49: Power Button With Fingerprint Reader

    2. Install the solid-state drive. 3. Install the battery. 4. Install the WWAN card. 5. Install the base cover. 6. Install the card. 7. Follow the procedure in After working inside your computer. Power button with fingerprint reader Removing the power button Prerequisites 1.

  • Page 50: Installing The Power Button

    Installing the power button 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 power button and provide a visual representation of the installation procedure. Steps 1.
  • Page 51 2. Remove the card. 3. Remove the base cover. 4. Remove the WWAN card. 5. Remove the battery. 6. Remove the fan. 7. Remove the heat sink. 8. Remove the system board. NOTE: The system board can be removed with the heat sink attached in order to simplify the procedure and preserve the thermal bond between the system board and heat sink.

  • Page 52: Installing The Keyboard

    NOTE: Do not dispose off the two pieces of graphite mylar. Reuse the two pieces when replacing or reinstalling the keyboard. 4. Remove the thirty-seven (M1.2x1.3) screws and the single (M1.2x1.4) from the keyboard. 5. Lift and remove the keyboard from the palm-rest assembly. Installing the keyboard Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.

  • Page 53: Palm-Rest And Keyboard Assembly

    3. Adhere the adhesive tape to cover the WWAN LTE antenna module. 4. Adhere the graphite mylar to the back of the keyboard. 5. Connect the keyboard FFC to the connector on the touchpad. Next steps 1. Install the system board.

  • Page 54: Palmrest

    About this task Next steps 1. Install the keyboard. 2. Install the power button. 3. Install the WLAN-antenna module. 4. Install the system board. 5. Install the right speaker. 6. Install the left speaker. 7. Install the heat sink. 8. Install the fan. 9.
  • Page 55 8. Remove the fan. 9. Remove the heat sink. 10. Remove the left speaker. 11. Remove the right speaker. 12. Remove the system board. NOTE: The system board can be removed with the heat sink attached in order to simplify the procedure and preserve the thermal bond between the system board and heat sink.

  • Page 56: 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 57: 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 58: System Setup Options

    Depending on this computer and its installed devices, the items that are listed in this section may or may not be displayed. Table 4. System setup options—System information menu Overview for Latitude 9330 BIOS Version Displays the BIOS version number.
  • Page 59 Table 4. System setup options—System information menu (continued) Overview for Latitude 9330 Intel Hyper-Threading Capable Displays whether the processor is Hyper-Threading (HT) capable. 64-Bit Technology Displays whether 64-bit technology is used. MEMORY Memory Installed Displays the total computer memory installed.
  • Page 60 Table 6. System setup options—Integrated Devices menu Integrated Devices Date/Time Date Sets the computer date in MM/DD/YYYY format. Changes to the date take effect immediately. Time Sets the computer time in HH/MM/SS 24-hour format. You can switch between 12-hour and 24-hour clock. Changes to the time take effect immediately.
  • Page 61 Table 7. System setup options—Storage menu Storage SATA Operation Configures operating mode of the integrated SATA hard drive controller. Default: RAID On. SATA is configured to support RAID (Intel Rapid Restore Technology). Storage Interface Port Enablement Enables the selected onboard drives. ●...
  • Page 62 By default, Optimized is selected. USB Wake Support Wake on Dell USB-C Dock Enables connecting a Dell USB-C Dock to wake the computer from Standby. Default: ON Block Sleep Blocks the computer from entering Sleep (S3) mode in the operating system.
  • Page 63 Table 11. System setup options—Security menu Security TPM 2.0 Security On Select whether or not the Trusted Platform Model (TPM) is visible to the OS. Default: ON PPI Bypass for Enable Commands Enables or disables the OS to skip BIOS Physical Presence Interface (PPI) user prompts when issuing TPM PPI enabled and activate commands.
  • Page 64 Table 11. System setup options—Security menu (continued) Security Start Data Wipe When enabled, the BIOS will queue up a data wipe cycle for storage device(s) connected to the motherboard on the next reboot. Default: OFF Absolute Absolute Enables, disables or permanently disable the BIOS module interface of the optional Absolute Persistence Module service from Absolute Software.
  • Page 65 Default: OFF Allow Non-Admin PSID Revert Enable or disable the option to control access to the physical security ID(PSID) revert of NVMe drives from Dell Security Manager. Table 13. System setup options—Update Recovery menu Update Recovery UEFI Capsule Firmware Updates...
  • Page 66 Table 14. System setup options—System Management menu (continued) System Management Wake on AC Enables the computer to turn on and go to boot when AC power is supplied to the computer. Default: OFF Wake on LAN/WLAN Wake on LAN/WLAN Enables or disables the computer to turn on by a special LAN/WLAN signal. By default, Disabled is selected.
  • Page 67 Table 16. System setup options—Pre-Boot Behavior menu Pre-Boot Behavior Adapter Warnings Enable Adapter Warnings Enables or disables the computer to display adapter warning messages when adapters with too little power capacity are detected. Default: ON Warnings and Errors Warnings and Errors Selects an action on encountering a warning or error during boot.
  • Page 68 Table 18. System setup options—Performance menu Performance Multi-Core Support Active Cores Changes the number of CPU cores available to the operating system. The default value is set to the maximum number of cores. By default, All Cores is selected. Intel SpeedStep Enable Intel SpeedStep Technology Enables or disables the Intel SpeedStep Technology to dynamically adjust processor voltage and core frequency, decreasing average power consumption...

  • Page 69: 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 70: 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 71: 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 if it is 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 72: 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 on how to reset Windows or application passwords, refer to the documentation accompanying Windows or your application.

  • Page 73: 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 74: 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 75: 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 76 (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 77: 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 78: 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, search in the Knowledge Base Resource at www.dell.com/ support. Troubleshooting...
  • Page 79 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 Tips Contact Support In Windows search, type Contact Support, and press Enter.

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