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Dell P138G Service Manual
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Dell P138G Service Manual

Dell P138G Service Manual

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Latitude 5330
Service Manual
Regulatory Model: P138G/P139G
Regulatory Type: P138G002/P139G002
March 2022
Rev. A00

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Summary of Contents for Dell P138G

  • Page 1 Latitude 5330 Service Manual Regulatory Model: P138G/P139G Regulatory Type: P138G002/P139G002 March 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, EMC, 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 inside your computer..................7 Safety instructions................................7 Before working inside your computer........................7 Safety precautions................................ 8 Electrostatic discharge—ESD protection....................... 8 ESD field service kit ..............................9 Transporting sensitive components.........................10 After working inside your computer........................10 BitLocker..................................10 Chapter 2: Removing and installing components................11 Recommended tools................................11 Screw list....................................
  • Page 4 Speakers....................................42 Removing the speakers..............................42 Installing the speakers..............................44 Fan......................................45 Removing the fan................................ 45 Installing the fan................................47 Heat sink....................................48 Removing the heat sink............................. 48 Installing the heat sink..............................49 System board..................................50 Removing the system board.............................50 Installing the system board............................53 Power-button board.................................
  • Page 5 Deleting or changing an existing system setup password................131 Clearing BIOS (System Setup) and System passwords..................131 Chapter 5: Troubleshooting....................... 132 Handling swollen Lithium-ion batteries........................132 Dell SupportAssist Pre-boot System Performance Check diagnostics.............. 132 Running the SupportAssist Pre-Boot System Performance Check.............. 133 Built-in self-test (BIST)..............................133 M-BIST..................................133 LCD Power rail test (L-BIST)..........................134...
  • Page 6 Chapter 6: Getting help and contacting Dell................138 Contents...

  • Page 7: Chapter 1: Working Inside Your Computer

    You should only perform troubleshooting and repairs as authorized or directed by the Dell technical assistance team. Damage due to servicing that is not authorized by Dell is not covered by your warranty. See the safety instructions that is shipped with the product or at www.dell.com/regulatory_compliance.

  • Page 8: Safety Precautions

    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 9: 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 10: 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 11: Chapter 2: Removing And Installing Components

    Removing and installing components NOTE: The images in this document may differ from your computer depending on the configuration you ordered. Recommended tools The procedures in this document may require the following tools: ● Phillips screwdriver #0 ● Plastic scribe Screw list NOTE: When removing screws from a component, it is recommended to note the screw type, the quantity of screws, and...

  • Page 12: Major Components Of Latitude 5330

    Table 1. Screw list (continued) Component Screw type Quantity Screw image M2x4 Power button/Power button M2x2 with optional fingerprint reader Smart card reader M2x2 LED board M2x3 Keyboard assembly M2x2 Keyboard bracket M2x2 Display assembly M2.5x4 (display hinge to palm-rest assembly) M2x4 (display cable bracket to palm-rest assembly)
  • Page 13 Removing and installing components...

  • Page 14: Sim Card Tray

    19. 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 15: 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 16: 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, and push it to lock in place. Next steps Follow the procedure in after working inside your computer.

  • Page 17: 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 18: 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 inside your computer. Base cover Removing the base cover Prerequisites 1. Follow the procedure in before working inside your computer.
  • Page 19 Removing and installing components...

  • Page 20: 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 21 Removing and installing components...
  • Page 22 Steps 1. Connect the battery cable to the connector on the system board. 2. Align the tabs on the base cover with the slots on the system and snap the base cover to the palm-rest assembly. 3. Tighten the eight captive screws to secure the base cover to the palm-rest assembly. Next steps 1.

  • Page 23: 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 24 Removing and installing components...

  • Page 25: Installing The Battery

    Steps 1. Disconnect the battery cable from its connector on the system board. 2. Loosen the three captive screws that secure the battery to the palm-rest assembly. 3. Lift the battery off the palm-rest assembly. 4. Slide and remove the 3-cell battery filler from the battery. Installing the battery Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.
  • Page 26 Removing and installing components...

  • Page 27: Removing The Battery

    Steps 1. Align the tabs on the battery with the tab holders on the 3-cell battery filler. 2. Slide the 3-cell battery filler to the battery. 3. Place the battery on the palm-rest assembly and align the screw holes on the battery with the screw holes on the palm-rest assembly.

  • Page 28: Installing The Battery

    Steps 1. Disconnect the battery cable from its connector on the system board. 2. Loosen the three 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 5330 supports 3-cell 41 WHr and 4-cell 58 WHr battery configuration.

  • Page 29: 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 three captive screws to secure the battery in place. 3.

  • Page 30: Installing The Battery Cable

    About this task The following images indicate the location of the battery cable and provide a visual representation of the removal procedure. 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.

  • Page 31: 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 3-cell battery 4-cell battery.
  • Page 32 Steps 1. Remove the 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 on the system board. 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 33: Installing The Wlan Card

    Installing the WLAN card 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 WLAN card and provides a visual representation of the installation procedure. Steps 1.

  • Page 34: Wwan Card

    Table 2. Antenna-cable color scheme Connectors on the Antenna-cable color Silkscreen marking wireless card △ (white triangle) Main White MAIN Auxiliary Black ▲ (black triangle) 2. 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.

  • Page 35: Installing The Wwan Card

    Steps 1. Remove the screw (M2x3) that secures the WWAN-card bracket to the WWAN card. 2. Lift the WWAN-card bracket out of the system. 3. Disconnect the antenna cables from the connectors on the WWAN card. 4. Slide and remove the WWAN card from the WWAN-card slot. Installing the WWAN card Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.
  • Page 36 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 37: M.2 Solid-State Drive

    Table 3. Antenna-cable color scheme Connectors on the Antenna-cable color Silkscreen marking wireless card △ (white triangle) Main White MAIN Auxiliary Black ▲ (black triangle) 3. Align and place the WWAN-card bracket on the WWAN card, and tighten the (M2x3) screw. Next steps 1.

  • Page 38: Installing The M.2 2280 Solid-State Drive

    Steps 1. Remove the two (M2x2.5) screws that secure the solid-state drive thermal plate to the system board. 2. Lift the solid-state drive thermal plate away from the system. NOTE: If the thermal pad located above the solid-state drive, gets detached from the thermal plate, adhere it back to the solid-state drive thermal plate.

  • Page 39: Replacing The Solid-State Drive Holder

    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 solid-state drive holder over the hook and press it down to secure the solid-state drive. 4.

  • Page 40: Removing The M.2 2230 Solid-State Drive

    The figure provides a visual representation if you are replacing a M.2 2230 solid-state drive with a M.2 2280 solid-state drive. NOTE: Ensure the M.2 2230 solid-state drive is removed first. See the procedure for removing the M.2 2230 solid-state drive.

  • Page 41: Installing The M.2 2230 Solid-State Drive

    About this task NOTE: This procedure applies only to computers shipped with a M.2 2230 solid-state drive installed. NOTE: The M.2 card installed on your computer depends on the configuration ordered. Supported card configurations on the M.2 card slot: ● M.2 2230 solid-state drive ●...

  • Page 42: Speakers

    NOTE: The M.2 card installed on your computer depends on the configuration ordered. Supported card configurations on the M.2 card slot: ● M.2 2230 solid-state drive ● M.2 2280 solid-state drive The following image indicates the location of the solid-state drive and provides a visual representation of the installation procedure of M.2 2230 SSD.
  • Page 43 About this task The following images indicate the location of the speakers and provide a visual representation of the removal procedure. Steps 1. Disconnect the USH board cable, LED cable, and the touchpad cable from their connectors on the system board. 2.

  • Page 44: Installing The Speakers

    Installing the speakers 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 speaker and provides a visual representation of the installation procedure. Removing and installing components...

  • Page 45: Fan

    Steps 1. Using the alignment posts and rubber grommets, place the speakers in the slots on the palm-rest assembly. 2. Route the speaker cable through the routing guides on the palm-rest assembly. 3. Adhere the tape to secure the speaker cables. 4.
  • Page 46 Steps 1. Note the WLAN antenna cable routing, and remove the WLAN antenna cables from the routing guide on the fan. 2. Lift the mylar sleeve. 3. Disconnect the fan cable from its connector on the system board. 4. Remove the three (M2x3) screws that secure the fan to the palm-rest assembly. 5.

  • Page 47: Installing The Fan

    Installing the fan Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following image indicates the location of the fan and provides a visual representation of the installation procedure. Removing and installing components...

  • Page 48: Heat Sink

    Steps 1. Using the alignment posts, place the fan on the system board. 2. Replace the three (M2x3) screws to secure the fan to the palm-rest assembly. 3. Connect the fan cable to its connectors on the system board. 4. Place the mylar sleeve back. 5.

  • Page 49: Installing The Heat Sink

    Steps 1. In reverse sequential order (as indicated on the heat sink), loosen the four captive screws that secure the heat sink to the system board. 2. Lift the heat sink off the system board. Installing the heat sink Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.

  • Page 50: System Board

    Steps 1. Align the screw holes on the heat sink with the screw holes on the system board. 2. In sequential order (as indicated on the heat sink), tighten the four captive screws that secure the heat sink to the system board.
  • Page 51 About this task NOTE: When removing the system board to replace/access other parts, the system board can be removed and 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 52 Removing and installing components...

  • Page 53: 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 open the fingerprint sensor. 3.
  • Page 54 1. Fingerprint cable connector 2. Camera connector 3. eDP cable connector 4. SSD connector 5. Battery connector 6. Touchpad cable connector 7. LED cable connector 8. USH cable connector 9. P-sensor connector 10. WWAN connector 11. WLAN connector 12. Speaker cable connector The following image indicates the location of the system board and provides a visual representation of the installation procedure.
  • Page 55 Removing and installing components...
  • Page 56 Steps 1. Place the system board on the palm-rest assembly. 2. Replace the two (M2x3) screws, two (M2x2.5) screws, and (M2x4) screw to secure the system board to the palm-rest assembly. 3. Replace the fingerprint sensor. 4. Align the fingerprint reader metal bracket and replace the (M2x4) screw to secure it to the system board. NOTE: Systems with non-fingerprint reader configuration do not have a fingerprint reader bracket.

  • Page 57: Power-Button Board

    Next steps 1. Install the heat sink. 2. Install the fan. 3. Install the M.2 2280 SSD card M.2 2230 SSD card. 4. Install the WWAN card (optional). 5. Install the WLAN card. 6. Install the 3-cell battery 4-cell battery. 7.

  • Page 58: Installing The Power Button

    Steps 1. Remove the (M2x2) screw that secures the power button to the palm-rest assembly. 2. Lift the power button out of the system. Installing the power button 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 59: Power Button With Fingerprint Reader (Optional)

    Steps 1. Align and place the power button on the palm-rest assembly. 2. Replace the (M2x2) screw to secure the power button to the palm-rest assembly. Next steps 1. Install the system board. 2. Install the fan. 3. Install the WWAN card (optional).

  • Page 60: Installing The Power Button With Optional Fingerprint Reader

    3. Remove the 3-cell battery 4-cell battery. 4. Remove the WLAN card. 5. Remove the WWAN card (optional). 6. Remove the fan. 7. Remove the system board. About this task 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 61 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. Align and place the power button with optional fingerprint reader and cable on the palm-rest assembly. 2.

  • Page 62: Coin-Cell Battery

    Coin-cell battery Removing the coin-cell battery Prerequisites 1. Follow the procedure in before working inside your computer. CAUTION: Removing the coin-cell battery resets the BIOS setup program’s settings to default. It is recommended that you note the BIOS setup program’s settings before removing the coin-cell battery. 2.

  • Page 63: Installing The Coin-Cell Battery

    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 64: Keyboard Assembly

    Keyboard assembly Removing the keyboard assembly Prerequisites 1. Follow the procedure in before working inside your computer. 2. Remove the base cover. 3. Remove the 3-cell battery 4-cell battery. 4. Remove the WLAN card. 5. Remove the WWAN card (optional). 6.
  • Page 65 Removing and installing components...

  • Page 66: Installing The Keyboard Assembly

    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 eighteen (M2x2) screws that secure the keyboard assembly to the palm-rest assembly. 4. Carefully lift the keyboard assembly from the palm-rest assembly. 5.
  • Page 67 Removing and installing components...
  • Page 68 Steps 1. Replace the two (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 assembly. 3. Press down on the lattice at the snap points, in order to secure the keyboard assembly to the palm-rest assembly. 4.

  • Page 69: Display Assembly

    Next steps 1. Install the display assembly (laptop) display assembly (2-in-1). 2. Install the speakers. 3. Install the smart card reader (optional). 4. Install the power button power button with optional fingerprint reader. 5. Install the system board. 6. Install the fan. 7.
  • Page 70 Removing and installing components...
  • Page 71 Removing and installing components...
  • Page 72 Removing and installing components...

  • Page 73: Installing The Display Assembly (Laptop)

    Steps 1. Peel the mylar and unroute the WLAN antenna cables from the routing guide. 2. Peel the adhesive tape covering the eDP cable. 3. Remove the (M2x4) screw that secures the display cable bracket to the system board. 4. Open the latch and disconnect the eDP cable from its connector on the system board. 5.
  • Page 74 Removing and installing components...
  • Page 75 Removing and installing components...
  • Page 76 Steps 1. Place the display assembly on a clean and flat surface. 2. Align and place the palm-rest assembly on the display assembly. 3. Using the alignment posts, close the display hinges. 4. Replace the two (M2.5x4) screws that secure the left-display hinge to the system board. 5.

  • Page 77: Removing The Display Assembly (2-In-1)

    3. Install the 3-cell battery 4-cell battery. 4. Install the base cover. 5. Follow the procedure in after working inside your computer. Removing the display assembly (2-in-1) Prerequisites 1. Follow the procedure in before working inside your computer. 2. Remove the base cover.
  • Page 78 Removing and installing components...
  • Page 79 Removing and installing components...

  • Page 80: Installing The Display Assembly (2-In-1)

    Steps 1. Unroute the WLAN antenna cables from its routing guide. 2. Disconnect the IR camera cable from its connector on the system board. 3. Unroute the IR camera cable from its routing guide underneath the fan. 4. Peel the adhesive tape covering the eDP cable. 5.
  • Page 81 Removing and installing components...
  • Page 82 Removing and installing components...
  • Page 83 Steps 1. Place the display assembly on a clean and flat surface. 2. Align and place the palm-rest 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 84: Display Bezel

    2. Install the WLAN card. 3. Install the 3-cell battery 4-cell battery. 4. Install the base cover. 5. Follow the procedure in after working inside your computer. Display bezel Removing the display bezel Prerequisites NOTE: The display bezel removal procedure is applicable only for Latitude 5330 laptop and not for the 2-in-1 configuration. 1.

  • Page 85: Installing The Display Bezel

    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 86: Display Hinges

    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 3-cell battery 4-cell battery. 3. Install the base cover. 4. Follow the procedure in after working inside your computer.
  • Page 87 4. Remove the display assembly. About this task The following images indicate the location of the display hinges and provide a visual representation of the removal procedure. Steps 1. Remove the six (M2.5x3) screws that secure the right and left display hinges to the display back cover. 2.

  • Page 88: Installing The Display Hinges

    Installing the display hinges Prerequisites NOTE: The display hinge installation procedure is applicable only for Latitude 5330 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 89 Steps 1. Lower the display hinges on the display assembly. 2. Replace the six (M2.5x3) screws to secure the left and right display hinges to the display back cover. Next steps 1. Install the display assembly. 2. Install the 3-cell battery 4-cell battery.

  • Page 90: Display Panel

    4. Follow the procedure in after working inside your computer. Display panel Removing the display panel Prerequisites NOTE: The display panel removal procedure is applicable only for Latitude 5320 laptop and not for the 2-in-1 configuration. NOTE: The display panel and its support brackets are defined as a single assembly and cannot be further disassembled once it is removed from the display back cover.
  • Page 91 Removing and installing components...
  • Page 92 Removing and installing components...

  • Page 93: 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. Steps 1. Remove the two (M2x2.5) screws that secure the display panel to the display assembly. NOTE: When removing the display panel, disengage the display panel tabs from the display cover before flipping it over for removal.
  • Page 94 About this task The following image indicates the location of the display panel and provides a visual representation of the installation procedure. Removing and installing components...
  • Page 95 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 96: Edp Cable

    2. Install the display bezel. 3. Install the display assembly. 4. Install the 3-cell battery 4-cell battery. 5. Install the base cover. 6. Follow the procedure in after working inside your computer. eDP cable Removing the eDP cable Prerequisites NOTE: The eDP cable removal procedure is applicable only for Latitude 5330 laptop and not for the 2-in-1 configuration.
  • Page 97 Steps 1. Peel the tape that secures the eDP cable to the back cover. 2. Remove the eDP cable from the back cover. Removing and installing components...

  • Page 98: Installing The Edp Cable

    Installing the eDP cable About this task NOTE: The eDP cable installation procedure is applicable only for Latitude 5330 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. Removing and installing components...

  • Page 99: Camera

    Steps Adhere the tape to secure the eDP cable to the display back cover. Next steps 1. Install the display panel. 2. Install the display hinges. 3. Install the display bezel. 4. Install the display assembly. 5. Install the 3-cell battery 4-cell battery.

  • Page 100: Installing The Camera

    3. Carefully pry and lift the camera module from the display back cover. Installing the camera Prerequisites NOTE: The camera installation procedure is applicable only for Latitude 5330 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 camera and provides a visual representation of the installation procedure.

  • Page 101: Installing The Infrared Camera

    4. Remove the display assembly. 5. Remove the display bezel. 6. Remove the display hinges. 7. Remove the display panel. About this task The following images indicate the location of the infrared camera and provide a visual representation of the removal procedure. Steps 1.

  • Page 102: Display Back Cover

    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 103: Installing The Display Back-Cover

    8. Remove the camera. 9. Remove the cable. About this task The following images indicate the location of the display back-cover and provide a visual representation of the removal procedure. Steps After performing the preceding steps, you are left with the display back cover. Installing the display back-cover Prerequisites NOTE:...

  • Page 104: Sensor Board

    Steps Place the display back-cover on a flat surface and perform the following steps to install the display back cover. Next steps 1. Install the cable. 2. Install the camera. 3. Install the display panel. 4. Install the display hinges. 5.

  • Page 105: Installing The Sensor Board

    5. Remove the display bezel. 6. Remove the display panel. About this task The following images indicate the location of the sensor board and provide a visual representation of the removal procedure. Steps 1. Open the latch and disconnect the display cable from connector on the sensor board. 2.

  • Page 106: Led Board

    2. Connect the display cable to the connector on the sensor board and close the latch. Next steps 1. Install the display panel. 2. Install the display bezel. 3. Install the display assembly. 4. Install the 3-cell battery 4-cell battery. 5.
  • Page 107 Steps 1. Open the latch and disconnect the LED-board cable from its connector on the system board. 2. Remove the two (M2x3) screws that secure the LED board bracket to the palm-rest assembly. 3. Peel the mylar tape and remove the (M2x3) screw that secures the LED board to the palm-rest assembly. 4.

  • Page 108: Installing The Led Board

    Installing the LED board Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following image indicates the location of the LED board and provides a visual representation of the installation procedure. Removing and installing components...

  • Page 109: Smart Card Reader

    Steps 1. Align the screw hole on the LED board with the screw hole on the palm-rest assembly. 2. Replace the (M2x3) screw to secure the LED board to the palm-rest assembly. 3. Adhere the mylar above the LED board to keep it in place. 4.
  • Page 110 Steps 1. Open the latch and disconnect the touchpad cable. 2. Peel the touchpad cable from the smart card module. 3. Open the latch and disconnect the smart card reader cable from its connector on the USH board. 4. Remove the two (M2x2) screws that secure the smart card reader bracket to the palm-rest assembly. 5.

  • Page 111: Installing The Smart Card Reader (Optional)

    Installing the smart card reader (optional) 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 smart card reader and provides a visual representation of the installation procedure.

  • Page 112: Sim Card Slot Filler

    Steps 1. Align and place the smart card reader on the palm-rest assembly. 2. Replace the two (M2x2) screws to secure the smart card reader to the palm-rest assembly. 3. Align the screw holes on the smart card reader bracket with the screw holes on the palm-rest assembly. 4.

  • Page 113: Installing The Sim Card Slot Filler

    2. Lift the SIM card slot filler out of the system. Installing the SIM card slot filler Prerequisites If you are replacing a component, remove the necessary component before the installation procedure. About this task The following image provides a visual representation of the SIM card slot filler installation procedure. Steps 1.
  • Page 114 4. Remove the base cover. 5. Remove the 3-cell battery 4-cell 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 system board.

  • Page 115: Installing The Palm-Rest

    Installing the palm-rest Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following image indicates the palm-rest and provides a visual representation of the installation procedure. Steps Place the palm-rest 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...
  • Page 116 10. Install the WLAN card. 11. Install the 3-cell battery 4-cell battery. 12. Install the card. 13. Install the microSD card. 14. Install the base cover. 15. Follow the procedure in after working inside your computer. Removing and installing components...

  • Page 117: 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 118: 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 119: One Time Boot Menu

    One time boot menu To enter one time boot menu, turn on your computer, and then press F12 immediately. NOTE: It is recommended to shutdown the computer if it is on. The one-time boot menu displays the devices that you can boot from including the diagnostic option. The boot menu options are: ●...
  • Page 120 Table 5. System setup options—System information menu (continued) Overview Microcode Version Displays the microcode version. Intel Hyper-Threading Capable Displays whether the processor is Hyper-Threading (HT) capable. 64-Bit Technology Displays whether 64-bit technology is used. Memory Information Memory Installed Displays the total computer memory installed. Memory Available Displays the total computer memory available.
  • Page 121 By default, the Video/Power only on Type-C Ports option is disabled. Type-C Dock Override Enables to use connected Type-C Dell Dock to provide data stream with external USB ports disabled. When Type-C Dock override is enabled, the Video/Audio/Lan submenu is activated.
  • Page 122 Table 7. System setup options—Integrated Devices menu (continued) Integrated Devices By default, the Enable Fingerprint Reader Device option is enabled. Unobtrusive Mode Enable Unobtrusive Mode Enable or disable all the computer light and sound. By default, the Enable Unobtrusive Mode option is disabled. Table 8.
  • Page 123 Table 10. System setup options—Connection menu (continued) Connection By default, the option enabled. WWAN Bus Mode Set the interface type of the Wireless Wan (WWAN) card. By default, the Bus Mode PCIe option is enabled. WLAN Enable or disable the internal WLAN device By default, the option enabled.
  • Page 124 By default, the Optimized option is enabled. USB Wake Support Wake on Dell USB-C Dock When enabled, connecting a Dell USB-C Dock will wake the computer from standby. By default, the Wake on Dell USB-C Dock option is enabled. Block Sleep Enables to block entering sleep (S3) mode in the operating system.
  • Page 125 Table 12. System setup options—Security menu (continued) Security SMM Security Mitigation Enable or disable SMM Security Mitigation. By default, the option is enabled. Data Wipe on Next Boot Start Data Wipe Enable or disable the data wipe on next boot. By default, the option is enabled.
  • Page 126 Allow Non-Admin PSID Revert Enable Allow Non-Admin PSID Revert Controls access to the Physical Security ID (PSID) revert of NVMe hard-drives from the Dell Security Manager prompt. By default, the option is disabled. Table 14. System setup options—Update, Recovery menu...
  • Page 127 Table 15. System setup options—System Management menu (continued) System Management By default, the option is disabled. Table 16. System setup options—Keyboard menu Keyboard Numlock Enable Enable or disable the Numlock function when the computer boots. By default, the option is enabled. Fn Lock Options By default, the Fn lock option is enabled.

  • Page 128: Updating The Bios

    If the recovery key is not known this can result in data loss or an unnecessary operating system re-install. For more information on this subject, search in the Knowledge Base Resource at www.dell.com/support. BIOS setup...

  • Page 129: Updating The Bios In Linux And Ubuntu

    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 130: System And Setup Password

    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 131: Deleting Or Changing An Existing System Setup Password

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

  • Page 132: 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 133: 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 134: 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 135 (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 136: 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 137: 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 138 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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