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Dell P139G Service Manual
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Latitude 5320/Latitude 5320 2in1
Service Manual
Regulatory Model: P138G/P139G
Regulatory Type: P138G001/P139G001
May 2023
Rev. A05

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Table of Contents
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Summary of Contents for Dell P139G

  • Page 1 Latitude 5320/Latitude 5320 2in1 Service Manual Regulatory Model: P138G/P139G Regulatory Type: P138G001/P139G001 May 2023 Rev. A05...
  • Page 2 A WARNING indicates a potential for property damage, personal injury, or death. © 2021-2023 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

    Contents Chapter 1: Working on your computer....................7 Safety instructions................................7 Working inside your computer............................ 7 After working inside your computer......................... 11 Chapter 2: Removing and installing components................13 Recommended tools................................13 Screw list....................................13 Major components of your system..........................16 SIM card tray..................................17 Removing the SIM card tray............................17 Installing the SIM card tray............................18 MicroSD card..................................
  • Page 4 Removing the heatsink...............................42 Installing the heatsink..............................43 System board..................................43 Removing the system board............................. 43 Installing the system board............................45 Power button with fingerprint reader (optional)....................... 47 Removing the power button with fingerprint reader (optional)...............47 Installing the power button with fingerprint reader (optional).................48 Display assembly................................49 Removing the display assembly (laptop).......................
  • Page 5 Deleting or changing an existing system setup password.................111 Clearing BIOS (System Setup) and System passwords..................112 Chapter 5: Troubleshooting......................113 Handling swollen rechargeable Li-ion batteries......................113 Dell SupportAssist Pre-boot System Performance Check diagnostics...............114 Running the SupportAssist Pre-Boot System Performance Check............... 114 Built-in self-test (BIST)..............................114 M-BIST..................................114 LCD Power rail test (L-BIST)..........................
  • Page 6 Backup media and recovery options..........................118 WiFi power cycle................................118 Drain residual flea power (perform hard reset)......................118 Chapter 6: Getting help and contacting Dell................120 Contents...
  • Page 7: Chapter 1: Working On 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 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 To enter the Service Mode: 1. Shut down the system and disconnect the AC adapter from the system. 2. Hold <B> key on the keyboard press the power button for 3 seconds until the Dell logo appears on the screen. The system boots.
  • Page 10 3. The following screen appears. Press any key to continue. NOTE: The Service Mode procedure automatically skips this step if the Owner Tag of the system is not set up in advance by the manufacturer. 4. When the ready-to-proceed message appears on the screen, press any key to proceed. The system emits three short beeps and shuts down immediately.
  • Page 11: After Working Inside Your Computer

    NOTE: If the AC adapter has not been disconnected, a message prompting you to remove the AC adapter appears on the screen. Remove the AC adapter and then press any key to continue the Service Mode procedure. Once the system shuts down, you can perform the replacement procedures without disconnecting the battery cable from the system board.
  • Page 12 Steps 1. Replace all screws and ensure that no stray screws remain inside your computer. 2. Connect any external devices, peripherals, or cables you removed before working on your computer. 3. Replace any media cards, discs, or any other parts that you removed before working on your computer. 4.
  • Page 13: 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. Topics: • Recommended tools • Screw list • Major components of your system • SIM card tray • MicroSD card •...
  • Page 14 NOTE: Some computers have magnetic surfaces. Ensure that the screws are not left attached to such surface when replacing a component. NOTE: Screw color may vary with the configuration ordered. Table 1. Screw list Component Screw type Quantity Screw image Base cover Captive screws 3-cell battery...
  • Page 15 Table 1. Screw list (continued) Component Screw type Quantity Screw image eDP (or display) cable bracket M2x4 LED board M2x3 Smart card reader (optional) M2x2.5 Removing and installing components...
  • Page 16: Major Components Of Your System

    Major components of your system 1. Base cover Removing and installing components...
  • Page 17: Sim Card Tray

    16. Heat sink 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 18: Installing The Sim Card Tray

    Steps 1. Insert a 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 19: Microsd Card

    Steps 1. Align and place the SIM card in the dedicated slot on the SIM card tray. 2. Slide the SIM card tray into the slot in the system [6], and push it to lock in place. Next steps Follow the procedure in After working on your computer.
  • Page 20: Installing The Micro-Sd Card

    Steps 1. Push the micro-SD card to eject it from the slot. 2. Remove the micro-SD card from the system. Installing the micro-SD card Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following image provides a visual representation of the micro-SD card installation procedure.
  • Page 21: Base Cover

    Steps Insert the micro-SD card into its slot until it clicks into place. Next steps 1. Follow the procedure in After working on your computer. Base cover Removing the base cover Prerequisites 1. Follow the procedure in before working inside your computer.
  • Page 22: Installing The Base Cover

    Steps 1. Loosen the eight captive screws that secure the base cover to the palm-rest assembly. 2. Using a plastic scribe, pry the base cover from the U-shaped indents at the top edge of the base cover and continue to work on the sides to release the base cover from the palm-rest assembly.
  • Page 23 Removing and installing components...
  • 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 rechargeable Li-ion battery can be dangerous. In such an instance, contact Dell technical support for assistance. See www.dell.com/contactdell.
  • Page 25: Installing The Battery

    Steps 1. Disconnect the battery cable from its connector on the system board. 2. Loosen the four captive screws that secure the battery to the palm-rest assembly. 3. Lift the battery off the palm-rest assembly. Installing the battery Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task NOTE: Latitude 5320 supports 3-cell 42 WHr and 4-cell 63 WHr battery configuration.
  • Page 26: Battery Cable

    Steps 1. Place the battery on the palm-rest and keyboard assembly and align the screw holes on the battery with the screw holes on the palm-rest and keyboard assembly. 2. Tighten the four captive screws to secure the battery in place. 3.
  • Page 27: Installing The Battery Cable

    Steps 1. Flip the battery and unroute the battery cable from the routing guides on the battery. 2. Disconnect the battery cable from the connector on the battery. 3. Lift the battery cable away from the battery. Installing the battery cable Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.
  • Page 28: Wlan Card

    Steps 1. Align and place the battery cable on the battery. 2. Route the battery cable through the routing guides on the battery. 3. Connect the battery cable to the connector on the battery. Next steps 1. Install the battery. 2.
  • Page 29: Installing The Wlan Card

    Steps 1. Remove the single screw (M2x3) that secures the WLAN card bracket to the WLAN card. 2. Remove the WLAN card bracket from the WLAN card. 3. Disconnect the antenna cables from the WLAN card. 4. Slide and remove the WLAN card from the WLAN card slot. NOTE: When removing the WLAN card from the system, if the adhesive pad which helps secure the WLAN card in place is removed from the system along with the WLAN card, adhere it back to the system.
  • Page 30: Wwan Card

    Steps 1. Align the notch on the WLAN card with the tab on the WLAN card slot and insert the WLAN card at an angle into the WLAN card slot. 2. Connect the antenna cables to the WLAN card. 3. Align and place the WLAN card bracket on the WLAN card. 4.
  • Page 31: Installing The Wwan Card

    About this task The following images indicate the location of the WWAN card and provide a visual representation of the removal procedure. Steps 1. Remove the single screw (M2x3) that secures the WWAN card bracket to the WWAN card. 2. Lift the WWAN-card bracket out of the system. 3.
  • Page 32: Solid-State Drive

    For instructions on how to find your computer's IMEI (International Mobile Station Equipment Identity) number, see the knowledge base article 000143678 at www.dell.com/support. Steps 1. Align the notch on the WWAN card and slide the WWAN card at an angle into the WWAN-card slot.
  • Page 33: Installing The M.2 2280 Solid-State Drive

    About this task The following images indicate the location of the solid-state drive and provide a visual representation of the removal procedure of M.2 2280 SSD. Steps 1. Remove the two screws (M2x2.5) that secure the solid-state drive thermal plate to the system board. 2.
  • Page 34: Removing The M.2 2230 Solid-State Drive

    Steps 1. Align the notch on the solid-state drive with the tab on the M.2 card slot. 2. Slide the solid-state drive into the M.2 card slot on the system board. 3. Slide the securing rod over the hook and press it down. 4.
  • Page 35: Installing The M.2 2230 Solid-State Drive

    Steps 1. Remove the two screws (M2x2.5) that secure the solid-state drive thermal plate to the system board. 2. Lift the solid-state drive thermal plate away from the system. 3. Lift the securing rod and carefully release it from the hook to remove it. 4.
  • Page 36: Replacing The Ssd Securing Rod

    Steps 1. Align the notch on the solid-state drive with the tab on the M.2 card slot. 2. Slide the solid-state drive into the M.2 card slot on the system board. 3. Slide the securing rod over the hook and press it down. 4.
  • Page 37: Speakers

    Steps 1. Lift and slide the SSD securing rod over the hook to remove it. 2. Depending on the type of solid-state drive (M.2 2230/ M.2 2280), align and insert the SSD extender. 3. Install the solid-state drive. Speakers Removing the speakers Prerequisites 1.
  • Page 38: Installing The Speakers

    Steps 1. Disconnect the USH cable, LED cable, and the clickpad cable from their connectors on the system board. 2. Disconnect the speaker cable from the connector on the system board. 3. Peel the adhesive tape that secures the speaker cable. 4.
  • Page 39 Steps 1. Using the alignment posts and rubber grommets, place the speakers in the slots on the palm-rest and keyboard assembly. 2. Route the speaker cable through the routing guides on the palm-rest and keyboard assembly. 3. Connect the speaker cable to the system board. 4.
  • Page 40: Fan

    Removing the fan Prerequisites 1. Follow the procedure in before working inside your computer. 2. Remove the base cover. 3. Remove the battery. 4. Remove the WLAN card. 5. Remove the WWAN card (optional). About this task The following images indicate the location of the fan and provide a visual representation of the removal procedure. Steps 1.
  • Page 41: Installing The Fan

    3. Note the IR camera cable routing, and remove the IR camera cable from the routing guides on the fan. 4. Lift the mylar sleeve. 5. Disconnect the fan cable from its connector on the system board. 6. Remove the two (M2x3) screws that secure the fan to the palm-rest and keyboard assembly. 7.
  • Page 42: Heat Sink

    4. Route the IR camera cable underneath the fan. 5. Connect the IR camera cable to its connectors on the system board. 6. Place the mylar sleeve back. 7. Route the antenna cables back underneath the fan. Next steps 1. Install the WWAN card (optional).
  • Page 43: Installing The Heatsink

    2. Lift the heat sink off the system board. Installing the heatsink Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. NOTE: Incorrect alignment of the heat sink can damage the system board and processor. NOTE: If either the system board or the heat sink is replaced, use the thermal pad/paste provided in the kit to ensure that thermal conductivity is achieved.
  • Page 44 3. Remove the card. 4. Remove the base cover. 5. Remove the battery. 6. Remove the WLAN card. 7. Remove the WWAN card (optional). 8. Remove the M.2 2280 SSD M.2 2230 SSD. 9. Remove the fan. 10. Remove the heat sink.
  • Page 45: Installing The System Board

    Steps 1. Remove the single (M2x4) screw that secures the fingerprint reader metal bracket. NOTE: Systems with non-fingerprint reader configuration do not have a fingerprint reader bracket. 2. Remove the fingerprint metal bracket from the system and flip the fingerprint sensor over. 3.
  • Page 46 Steps 1. Place the system board on the palm-rest and keyboard assembly. 2. Replace the two (M2x3) screws, two (M2x2.5) screws, and single (M2x4) screw to secure the system board to the palm-rest and keyboard assembly. 3. Replace the fingerprint sensor. Removing and installing components...
  • Page 47: Power Button With Fingerprint Reader (Optional)

    4. Align the fingerprint reader metal bracket and replace the single (M2x4) screw it to the system board. NOTE: Systems with non-fingerprint reader configuration do not have a fingerprint reader bracket. 5. Place the type-C bracket and replace the three (M2x5) screws to secure it. 6.
  • Page 48: Installing The Power Button With Fingerprint Reader (Optional)

    Steps 1. Remove the single (M2x2.5) screw that secures the power button to the palm-rest. 2. Lift the power button with fingerprint reader (optional) out of the system. Installing the power button with fingerprint reader (optional) About this task NOTE: The system board can be installed with the heat sink attached in order to simplify the procedure and preserve the thermal bond between the system board and heat sink.
  • Page 49: Display Assembly

    Steps 1. Align and place the power button with fingerprint reader on the palm-rest and keyboard assembly. 2. Replace the single screw (M2x2.5) to secure the power button with optional fingerprint reader to the palm-rest and keyboard assembly. Next steps 1.
  • Page 50 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 51 Steps 1. Unroute the antenna cables. 2. Disconnect the sensor board cable from its connector on the system board. 3. Unroute the sensor board cable from underneath the fan. 4. Peel the tape covering the IR camera cable connector. Removing and installing components...
  • Page 52: Installing The Display Assembly (Laptop)

    5. Remove the single (M2x4) screw that secures the display cable bracket to the system board. 6. Lift the display cable bracket off the system board. 7. Open the latch and disconnect the IR camera cable from its connector on the system board. 8.
  • Page 53 Steps 1. Place the display assembly on a clean and flat surface. 2. Align and place the palm-rest and keyboard assembly on the display assembly. 3. Using the alignment posts, close the display hinges. 4. Replace the two screws (M2.5x4) that secure the left-display hinge to the system board. 5.
  • Page 54: Removing The Display Assembly (2-In-1)

    8. Route the antenna cables underneath the fan. 9. Connect the IR camera cable to its connector on the system board and close the latch. 10. Adhere the tape that secures the IR camera cable to its connector on the system board. 11.
  • Page 55 Removing and installing components...
  • Page 56 Steps 1. Unroute the antenna cables. 2. Disconnect the sensor board cable from its connector on the system board. 3. Unroute the sensor board camera cable from underneath the fan. 4. Remove the conductive tape covering the IR camera cable connector. Removing and installing components...
  • Page 57: Installing The Display Assembly (2-In-1)

    5. Remove the single (M2x4) screw that secures the display cable bracket to the system board. 6. Open the latch and disconnect the IR camera cable from its connector on the system board. 7. Disconnect the display cable from its connector on the system board. 8.
  • Page 58 Steps 1. Place the display assembly on a clean and flat surface. 2. Align and place the palm-rest and keyboard assembly on the display assembly. 3. Using the alignment posts, close the display hinges. 4. Replace the two screws (M2.5x4) that secure the left-display hinge to the system board. 5.
  • Page 59: Display Bezel

    8. Route the antenna cables underneath the fan. 9. Connect the IR camera cable to its connector on the system board and close the latch. 10. Adhere the tape that secures the IR camera cable to its connector on the system board. 11.
  • Page 60 Steps 1. Insert a plastic scribe into the recesses near both the hinge caps to start the prying and release the display bezel. NOTE: The display bezel is adhered to the display panel with adhesive. Disengage the adhesive from an X and Y axis or moving horizontally along the bezel to disengage the adhesive first before prying upwards.
  • Page 61: Installing The Display Bezel

    3. Remove the display bezel off the display back cover. Installing the display bezel Prerequisites NOTE: The display bezel installation procedure is applicable only for Latitude 5320 laptop and not for the 2-in-1 configuration. 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 bezel and provides a visual representation of the installation procedure.
  • Page 62: Display Panel

    Steps Align the display bezel with the display back-cover and antenna assembly, and gently snap the display bezel into place. Next steps 1. Install the display assembly. 2. Install the battery. 3. Install the base cover. 4. Follow the procedure in after working inside your computer.
  • Page 63 About this task The following images indicate the location of the display panel and provide a visual representation of the removal procedure. Removing and installing components...
  • Page 64 Removing and installing components...
  • Page 65: Installing The Display Panel

    NOTE: Do not pull and release the Stretch (SR) Tapes from the display panel. Separation of the brackets from the display panel is not required. NOTE: When removing the display panel, disengage the display panel tabs from the display cover before flipping it over for removal.
  • Page 66 Removing and installing components...
  • Page 67 Steps 1. Connect the display cable to the connector and close the latch. 2. Adhere the adhesive strip to secure the display cable connector. 3. Insert the display panel tabs into the slots on the display cover. 4. Replace the two (M2x2.5) screws that secure the display panel to the display assembly. Next steps 1.
  • Page 68: Display Hinges

    Display hinges Removing the display hinges Prerequisites NOTE: The display hinge removal procedure is applicable only for Latitude 5320 laptop and not for the 2-in-1 configuration. 1. Follow the procedure in before working inside your computer. 2. Remove the base cover.
  • Page 69: Installing The Display Hinges

    Installing the display hinges Prerequisites NOTE: The display hinge installation procedure is applicable only for Latitude 5320 laptop and not for the 2-in-1 configuration. 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 hinges and provides a visual representation of the installation procedure.
  • Page 70: Display Back Cover

    3. Install the base cover. 4. Follow the procedure in after working inside your computer. Display back cover Removing the display back-cover Prerequisites NOTE: The display back-cover removal procedure is applicable only for Latitude 5320 laptop and not for the 2-in-1 configuration.
  • Page 71: Installing The Display Back-Cover

    Installing the display back-cover Prerequisites NOTE: The display back-cover installation procedure is applicable only for Latitude 5320 laptop and not for the 2-in-1 configuration. 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 72: Edp Cable

    eDP cable Removing the eDP cable Prerequisites NOTE: The eDP cable removal procedure is applicable only for Latitude 5320 laptop and not for the 2-in-1 configuration. 1. Follow the procedure in before working inside your computer. 2. Remove the base cover.
  • Page 73: Installing The Edp Cable

    Steps 1. Peel off the tape securing the eDP cable to the back cover. 2. Remove the eDP cable from the system. Installing the eDP cable About this task NOTE: The eDP cable installation procedure is applicable only for Latitude 5320 laptop and not for the 2-in-1 configuration. The following image indicates the location of the eDP cable and provides a visual representation of the installation procedure.
  • Page 74: Sensor Board

    5. Install the battery. 6. Install the base cover. 7. Follow the procedure in After working inside your computer. Sensor board Removing the sensor board Prerequisites 1. Follow the procedure in before working inside your computer. 2. Remove the base cover.
  • Page 75: Installing The Sensor Board

    Installing the sensor board About this task The following images indicate the location of the sensor board and provide a visual representation of the removal procedure. Steps 1. Align and place the sensor board on the display back cover. 2. Connect the display cable to the connector on the sensor board and close the latch. Next steps 1.
  • Page 76: Installing The Led Board

    About this task The following image indicates the location of the LED board and provides a visual representation of the removal procedure. Steps 1. Open the latch and disconnect the LED-board cable from its connector on the system board and LED board. 2.
  • Page 77: Camera

    About this task The following image indicates the location of the LED board and provides a visual representation of the installation procedure. Steps 1. Align the screw hole on the LED board with the screw hole on the palm-rest assembly. 2.
  • Page 78: Installing The Camera

    About this task The following images indicate the location of the camera and provide a visual representation of the removal procedure. Steps 1. Peel the conductive tape that secures the camera cable in place. 2. Lift the latch and disconnect the camera cable from the connector on the camera module. 3.
  • Page 79: Removing The Infrared Camera

    Steps 1. Insert the camera into the slot on the display back cover. 2. Connect the camera cable to the connector and adhere the adhesive tape above the camera connector. Next steps 1. Install the display panel. 2. Install the display hinges.
  • Page 80: Installing The Infrared Camera

    Steps 1. Peel the conductive tape that secures the IR camera cable in place. 2. Disconnect the IR camera cable from the connector on the camera module. 3. Carefully pry and lift the camera module from the display back cover. Installing the infrared camera Prerequisites NOTE:...
  • Page 81: Smart Card Reader

    Steps 1. Insert the infrared camera into the slot on the display back cover. 2. Connect the infrared camera cable to the connector and adhere the adhesive tape above the camera connector. Next steps 1. Install the display panel. 2. Install the display hinges.
  • Page 82: Installing The Smart Card Reader (Optional)

    Steps 1. Open the latch and disconnect the clickpad FPC. 2. Open the latch and disconnect the smart card reader cable from its connector. 3. Remove the two screws (M2x2.5) that secure the smart card reader to the palm-rest assembly. 4.
  • Page 83 About this task The following image indicates the location of the smart card reader and provides a visual representation of the installation procedure. Steps 1. Align and place the smart card reader on the palm-rest assembly. 2. Replace the two screws (M2x2.5) to secure the smart card reader to the palm-rest assembly. 3.
  • Page 84: Keyboard Assembly

    Keyboard assembly Removing the keyboard Prerequisites 1. Follow the procedure in before working inside your computer. 2. Remove the base cover. 3. Remove the WLAN card. 4. Remove the WWAN card (optional). 5. Remove the M.2 2280 SSD M.2 2230 SSD.
  • Page 85 Removing and installing components...
  • Page 86: Installing The Keyboard

    Steps 1. Lift the latch and disconnect the keyboard cable and keyboard backlit cable. 2. Lift the mylar tape covering the screws. 3. Remove the sixteen (M2x2) screws that secure the keyboard assembly to the palm-rest. 4. Carefully lift the keyboard assembly from the palm-rest. 5.
  • Page 87 Removing and installing components...
  • Page 88 Steps 1. Replace the three (M2x2) screws to secure the keyboard to the keyboard bracket. 2. Flip the keyboard assembly and align it to its slot on the palm-rest. 3. Press down on the lattice at the snap points, in order to secure the keyboard assembly to the palm-rest. 4.
  • Page 89: Sim Card Slot Filler

    12. Install the base cover. 13. Follow the procedure in after working inside your computer. SIM card slot filler Removing the SIM card slot filler Prerequisites Follow the procedure in before working inside your computer. About this task NOTE: For models shipped with WLAN antennas only, the SIM card slot filler is a separate service part and is not included with replacement palm rest, as a result the SIM card slot filler must be removed and then re-installed when replacing the palm rest.
  • Page 90: Palm-Rest And Keyboard Assembly

    Steps 1. Place the SIM card slot filler into its compartment on the palm rest ensuring that the SIM card slot filler is aligned with the ribs on the palm rest. 2. Press the SIM card slot filler until you hear it click ensuring it fits securely into the SIM card slot filler. Next steps Follow the procedure in After working on your...
  • Page 91: Installing The Palm-Rest

    13. Remove the heat sink. 14. Remove the power button with fingerprint reader. 15. Remove the display assembly. 16. Remove the system board. About this task The following images indicate the location of the palm-rest and provide a visual representation of the removal procedure. Steps Installing the palm-rest Prerequisites...
  • Page 92 Steps Place the palm-rest and keyboard assembly on a flat surface. Next steps NOTE: The system board can be installed with the heat sink attached in order to simplify the procedure and preserve the thermal bond between the system board and heat sink. 1.
  • Page 93: Chapter 3: Drivers And Downloads

    Drivers and downloads When troubleshooting, downloading, or installing drivers, it is recommended that you read the Dell knowledge base article, Drivers and Downloads FAQs Drivers and downloads...
  • Page 94: 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 95: One Time Boot Menu

    Table 2. Navigation keys Keys Navigation Up arrow Moves to the previous field. Down arrow Moves to the next field. Enter Selects a value in the selected field (if applicable) or follow the link in the field. Spacebar Expands or collapses a drop-down list, if applicable. Moves to the next focus area.
  • Page 96: Boot Configuration

    Table 3. Overview Option Description ○ Ownership Tag ○ Signed Firmware Update ● Battery ○ Primary ○ Battery Level ○ Battery State ○ Health ○ AC Adapter ● Processor Information ○ Processor Type ○ Maximum Clock Speed ○ Minimum Clock Speed ○...
  • Page 97: Integrated Devices

    Table 4. Boot configuration (continued) Option Description Secure Digital (SD) Card Boot Allows you to enable or disable Enable Secure Digital (SD) Card Boot. Secure Boot Secure Boot helps ensure your system boots using only validated boot software. Enable Secure Boot—By default, this option is enabled. Secure Boot Mode Changes to the Secure Boot operation mode modifies the behavior of Secure Boot to allow evaluation of UEFI driver...
  • Page 98 Type-C Dock Override This feature allows the users to use connected Type-C Dell Dock to provide data stream when keeping the external USB ports disabled port functionality to video or power only.
  • Page 99: Storage

    Storage Table 6. Storage options Option Description SATA/NVMe Operation Allows you to set the operating mode of the integrated storage device controller. The options are: ● Disabled ● AHCI/NVMe ● RAID On— By default, the RAID On option is enabled. Storage Interface Port Enablement - Allows you to select onboard drives.
  • Page 100: Connection Options

    Table 7. Display options (continued) Option Description The options are: ● Disabled ● Enabled - By default, this option is enabled. ● Always On Connection options Table 8. Connection Option Description Wireless Device Enable WWAN/GPS Allows you to enable or disable the internal WWAN/GPS device. WWAN Bus Mode - Allows you to set the interface type of the wireless WAN card.
  • Page 101 ● Quiet ● Ultra Performance USB Wake Support Wake on Dell Allows you to connect a Dell USB-C Dock to wake the system from USB-C Dock standby mode. By default, the option Wake on Dell USB-C Dock is enabled. NOTE: These features are only functional when the AC power adapter is connected.
  • Page 102: Security

    Table 9. Power Management (continued) Option Description Intel Speed Shift Allows you to enable or disable the Intel Speed Shift Technology support. By default,Intel technology Speed Shift technology is enabled. Enabling this option allows the operating system to select appropriate processor performance. Long Life Cycle Primary The options are: Battery...
  • Page 103: Password

    Table 10. Security (continued) Option Description The options are: ● Never ● Always ● Always Except Internal HDD—This option is enabled by default. ● Always Except Internal HDD&PXE Password Table 11. Security Option Description Admin Password Allows you to set, change, or delete the administrator (admin) password. The entries to set password are: ●...
  • Page 104: Update And Recovery

    NOTE: The Hard Disk password has to be cleared before the settings can be changed. Allow Non-Admin PSID Controls access to the Physical Security ID (PSID) revert of NVMe hard drives from Dell Security Revert Manager prompt. Enable Allow Non-Admin PSID Revert - By default, this option is disabled.
  • Page 105: System Management

    BIOSConnect - By default, this option is enabled. Dell Auto OS Recovery The Auto OS Recovery threshold setup options control the automatic flow for SupportAssist Threshold System Resolution Console and for Dell OS Recovery Tool. The options are: ● Off ● 1 ●...
  • Page 106: Keyboard

    Keyboard Table 14. Keyboard Option Description Fn Lock Options Allows you to change the function key settings. Fn Lock Mode - This option is enabled by default. The options are: ● Lock Mode Standard ● Lock Mode Secondary- This option is enabled by default. Keyboard Illumination Allows you to set keyboard illumination settings using hotkeys <Fn>+<F10>...
  • Page 107: Pre-Boot Behavior

    Table 14. Keyboard (continued) Option Description ● Disabled Pre-boot behavior Table 15. Pre-boot behavior Option Description Adapter Warnings This option displays warning messages during boot when adapters with little power capacity are detected. ● Enable Adapter Warnings—enabled by default Warnings and Errors This option causes the boot process to only pause when warnings and errors are detected rather than stop, prompt, and wait for user input.
  • Page 108: Performance

    Table 16. Virtualization Support (continued) Option Description Enable Intel VT for Direct I/O - This option is enabled by default. Performance Table 17. Performance Option Description Multi Core Support Allows you to change the number of CPU cores available to the operating system.
  • Page 109: 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 110: 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 111: System And Setup Password

    6. Click Update BIOS. The computer restarts to flash the BIOS. 7. The computer will restart after the BIOS update is completed. System and setup password Table 19. 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.
  • Page 112: 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 113: 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 114: Dell Supportassist Pre-Boot System Performance Check Diagnostics

    Check diagnostics About this task SupportAssist diagnostics (also known as system diagnostics) performs a complete check of your hardware. The Dell SupportAssist Pre-boot System Performance Check diagnostics is embedded with the BIOS and is launched by the BIOS internally. The embedded system diagnostics provides a set of options for particular devices or device groups allowing you to: ●...
  • Page 115: 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 116: System Diagnostic Lights

    NOTE: Dell SupportAssist Pre-boot diagnostics upon launch, initiates an LCD BIST first, expecting a user intervention confirm functionality of the LCD. System diagnostic lights Battery-status light Indicates the power and battery-charge status. Solid white — Power adapter is connected and the battery has more than 5 percent charge.
  • Page 117: 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 118: Updating The Bios Using The Usb Drive In Windows

    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 119 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 120 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 21. Self-help resources Self-help resources Resource location Information about Dell products and services www.dell.com My Dell app...

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