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Dell Latitude 5531 Service Manual

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Latitude 5531
Service Manual
Regulatory Model: P104F
Regulatory Type: P104F007/P104F008
June 2023
Rev. A02

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Summary of Contents for Dell Latitude 5531

  • Page 1 Latitude 5531 Service Manual Regulatory Model: P104F Regulatory Type: P104F007/P104F008 June 2023 Rev. A02...
  • Page 2 A WARNING indicates a potential for property damage, personal injury, or death. © 2022-2023 Dell Inc. or its subsidiaries. All rights reserved. Dell Technologies, Dell, and other trademarks are trademarks of Dell Inc. or its subsidiaries. Other trademarks may be trademarks of their respective owners.

  • Page 3: Table Of Contents

    After working inside your computer........................10 BitLocker..................................10 Chapter 2: Removing and installing components................11 Recommended tools................................11 Screw list....................................11 Major components of Latitude 5531..........................12 SIM card....................................14 Removing the SIM card.............................. 14 Installing the SIM card..............................15 Micro Secure Digital (SD) Card............................17 Removing the microSD card............................
  • Page 4 Hard-drive assembly................................. 39 Removing the hard-drive assembly.........................39 Installing the hard drive..............................40 Hard drive.................................... 41 Removing the hard-drive............................41 Installing the hard drive..............................42 Battery....................................43 Rechargeable Li-ion battery precautions.......................43 Removing the 4-cell battery............................. 44 Installing the 4-cell battery............................45 Removing the 6-cell battery............................. 46 Installing the 6-cell battery............................
  • Page 5 Removing the display assembly..........................87 Installing the display assembly..........................90 Display bezel..................................93 Removing the display bezel............................93 Installing the display bezel............................95 Display panel..................................96 Removing the display panel............................96 Installing the display panel............................99 Camera....................................102 Removing the camera............................... 102 Installing the camera..............................103 Removing the infrared camera..........................
  • Page 6 Clearing BIOS (System Setup) and System passwords..................136 Chapter 5: Troubleshooting......................137 Handling swollen rechargeable Li-ion batteries......................137 Dell SupportAssist Pre-boot System Performance Check diagnostics.............. 137 Running the SupportAssist Pre-Boot System Performance Check.............. 138 Built-in self-test (BIST)..............................138 M-BIST..................................138 LCD Power rail test (L-BIST)..........................139 LCD Built-in Self Test (BIST)..........................139...

  • 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

    Transporting sensitive components When transporting ESD sensitive components such as replacement parts or parts to be returned to Dell, it is critical to place these parts in anti-static bags for safe transport.

  • Page 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 5531

    Smart card reader M2x3 Keyboard assembly M2x2 Keyboard bracket M2x2 Display hinge M2.5x5 Display back cover M2.5x3.5 Display panel bracket M2.5x3.5 Major components of Latitude 5531 The following image shows the major components of Latitude 5531. Removing and installing components...
  • Page 13 Removing and installing components...

  • Page 14: Sim Card

    19. WWAN bracket 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

    Steps 1. Insert a pin into the release hole of the SIM tray and push inward until the tray is released. 2. Slide the SIM tray out of the slot on the computer. 3. Remove the SIM card from the SIM tray. 4.
  • Page 16 NOTE: SIM card or SIM tray removal is only available on systems that are shipped with WWAN module. Hence, removing procedure is only applicable for systems that are shipped with WWAN module. About this task The following image indicates the location of the SIM card and provides a visual representation of the installation procedure. Steps 1.

  • Page 17: Micro Secure Digital (Sd) Card

    Next steps 1. Follow the procedure in After working inside your computer. Micro Secure Digital (SD) Card Removing the microSD card Prerequisites 1. Follow the procedure in Before working inside your computer. About this task The following images indicate the location of the microSD card and provide a visual representation of the removal procedure. Steps 1.

  • Page 18: Base Cover

    Steps 1. Align the microSD card to its slot on the computer. 2. Slide the microSD card into the 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.
  • Page 19 Removing and installing components...

  • Page 20: Installing The Base Cover

    Steps 1. Loosen the nine captive screws that secure the base cover to the palm-rest and keyboard assembly. 2. Using the flat-end of 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 and keyboard assembly.

  • Page 21: Wireless Card

    Steps 1. Align the screw holes on the base cover with the screw holes on the palm-rest assembly and keyboard assembly, and then snap the base cover into place. 2. Tighten the nine captive screws that secure the base cover to the palm-rest and keyboard assembly. Next steps 1.
  • Page 22 Steps NOTE: When removing the wireless card from the computer, if the adhesive pad which helps secure the wireless card in place is removed from the computer along with the WLAN card, adhere it back to the computer. Loosen the single captive screw that secures the wireless-card bracket to the wireless card and system board. 2.

  • Page 23: Installing The Wireless Card

    Installing the wireless card Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following image indicate the location of the wireless card and provides a visual representation of the installation procedure. Steps 1.

  • Page 24: Wireless Wide Area Network (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 wireless card with the tab on the wireless-card slot on the system board. 3.

  • Page 25: Installing The Wwan Card

    Steps 1. Remove the single (M2x3) screw that secures the WWAN-card bracket to the WWAN card. 2. Slide and remove the WWAN card bracket off the WWAN card. 3. Disconnect the antenna cables from the connectors on the WWAN card. 4.
  • Page 26 About this task The following image indicates the location of the WWAN card and provides a visual representation of the installation procedure. Steps 1. Connect the antenna cables to the WWAN card. The following table provides the antenna-cable color scheme: Table 3.

  • Page 27: Solid-State Drives

    4. Replace the single screw (M2x3) to secure the WWAN-card bracket to the WWAN card. NOTE: 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. Next steps 1. Install the microSD card.

  • Page 28: Installing The 2230 Solid-State Drive-Ssd1 Slot

    Steps 1. Remove the single screw (M2x4) that secures the M.2 2230 solid-state drive to the system board . 2. Slide and remove the M.2 2230 solid-state drive from the solid-state drive slot on the system board. Installing the 2230 solid-state drive—SSD1 slot Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.

  • Page 29: Removing The 2280 Solid-State Drive-Ssd1 Slot

    Steps 1. Align the notch on the M.2 2230 solid-state drive with the tab on the solid-state drive slot. 2. Slide the M.2 2230 solid-state drive into the M.2 2230 solid-state drive slot on the system board. 3. Replace the single screw (M2x4) that secures the solid-state drive to the system board. Next steps 1.

  • Page 30: Installing The 2280 Solid-State Drive-Ssd1 Slot

    The following image indicates the location of the 2280 solid-state drive and provides a visual representation of the removal procedure. Steps 1. Remove the single screw (M2x4) that secures the M.2 2280 solid-state drive to the system board . 2. Slide and remove the M.2 2280 solid-state drive from the solid-state drive slot on the system board. Installing the 2280 solid-state drive—SSD1 slot Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.

  • Page 31: Removing The 2230 Solid-State Drive-Ssd2 Slot

    Steps 1. Align the notch on the M.2 2280 solid-state drive with the tab on the solid-state drive slot. 2. Slide the M.2 2280 solid-state drive into the M.2 2280 solid-state drive slot on the system board. 3. Replace the single screw (M2x4) that secures the solid-state drive to the system board. Next steps 1.

  • Page 32: Installing The 2230 Solid-State Drive-Ssd2 Slot

    The following image indicates the location of the 2230 solid-state drive that is installed and provides a visual representation of the removal procedure. Steps 1. Remove the two screws (M2x2) that secures the solid-state drive thermal plate to the palm-rest and keyboard assembly. 2.

  • Page 33: Removing The 2280 Solid-State Drive-Ssd2 Slot

    Steps 1. Align and insert the solid-state drive holder on the system board to accommodate the M.2 2230 solid-state drive. 2. Align the notch on the M.2 2230 solid-state drive with the tab on the solid-state drive slot. 3. Slide the M.2 2230 solid-state drive into the solid-state drive slot on the system board 4.

  • Page 34: Installing The 2280 Solid-State Drive-Ssd2 Slot

    About this task NOTE: Depending on the configuration ordered, your computer may support a 2280 solid-state drive, or a 2230 solid-state drive in M.2 slot. NOTE: This procedure applies only to computers shipped with a 2280 solid-state drive installed in M.2 slot. The following image indicates the location of the 2280 solid-state drive that is installed in M.2 slot and provides a visual representation of the removal procedure.

  • Page 35: Memory

    The following images indicate the location of the 2280 solid-state drive that is installed in M.2 slot and provides a visual representation of the installation procedure. Steps 1. Align the notch on the M.2 2280 solid-state drive with the tab on the M.2 solid-state drive slot. 2.

  • Page 36: Installing The Memory Module

    About this task NOTE: Latitude 5531 supports two memory slots. The following image indicates the location of the memory module and provides a visual representation of the removal procedure. Steps 1. Using your fingertips, spread apart the securing clips on the memory-module slot until the memory module pops up.

  • Page 37: Dummy Hard-Drive Filler

    Steps 1. Align the notch on the memory module with the tab on the memory-module slot. 2. . Slide the memory module firmly into the slot at an angle and press the memory module down until it clicks into place. NOTE: If you do not hear the click, remove the memory module and reinstall it.

  • Page 38: Installing The Dummy Hard-Drive Filler

    2. Remove the card. 3. Remove the microSD card. 4. Remove the base cover. About this task The following image indicates the location of the dummy hard-drive filler and provides a visual representation of the removal procedure. Steps 1. Remove the four screws (M2x4) that secure the dummy hard-drive filler to the system board. 2.

  • Page 39: Hard-Drive Assembly

    Steps 1. Align the screw holes on the dummy hard-drive filler with the screw holes on the palm-rest assembly. 2. Replace the four screws (M2x4) that secure the dummy hard-drive filler to the computer. Next steps 1. Install the base cover.

  • Page 40: Installing The Hard Drive

    Steps 1. Disconnect the hard-drive cable from the connector on the system board. 2. Remove the four screws (M2x4) that secure the hard drive to the palm-rest and keyboard assembly. 3. Lift and remove the hard drive from the computer. Installing the hard drive Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.

  • Page 41: Hard Drive

    Steps 1. Align the screw holes on hard drive with the screw holes on the palm-rest and keyboard assembly. 2. Replace the four screws (M2x4) that secure the hard drive to the computer. 3. Connect the hard drive cable to the connector on the system board. Next steps 1.

  • Page 42: Installing The Hard Drive

    2. Remove the card. 3. Remove the microSD card. 4. Remove the base cover. 5. Remove the hard drive. About this task The following images indicate the location of the hard drive and provide a visual representation of the removal procedure. Steps 1.

  • Page 43: Battery

    Steps 1. Align the screw holes on hard drive with the screw holes on the hard-drive bracket. 2. Replace the four screws (M3x3) to secure the hard drive to the hard-drive bracket. 3. Flip the hard-drive assembly, and connect the interposer to the connector on the hard drive. NOTE: The following steps are applicable only for systems shipped with a 4-cell battery.

  • Page 44: Removing The 4-Cell 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 45: Installing The 4-Cell Battery

    Steps 1. Disconnect the battery cable from the connector on the system board, if it was not disconnected earlier. 2. Remove the three screws (M2x4) that secure the 4-cell battery to the palm-rest and keyboard assembly. 3. Lift the 4-cell battery, along with its cable, off the palm-rest and keyboard assembly. Installing the 4-cell battery Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.

  • Page 46: Removing The 6-Cell Battery

    Removing the 6-cell battery Prerequisites 1. Follow the procedure inBefore working inside your computer. 2. Remove the card. 3. Remove the microSD card. 4. Remove the base cover. About this task The following images indicate the location of the 6-cell (97 Wh) battery and provides a visual representation of the removal procedure.

  • Page 47: Battery Cable

    About this task The following images indicate the location of the 6-cell (97 Wh) battery and provide a visual representation of the installation procedure. Steps 1. Align the screw holes on the 6-cell battery with the screw holes on the palm-rest and keyboard assembly. 2.

  • Page 48: Installing The 4-Cell Battery Cable

    4. Remove the base cover. 5. Remove the battery. NOTE: If battery is disconnected from system board for service, then there is a delay during system boot as the system undergoes RTC battery reset. About this task The following images indicate the location of the battery cable and provide a visual representation of the removal procedure. Steps 1.

  • Page 49: Removing The 6-Cell Battery Cable

    Steps 1. Connect the battery cable to the connector on the battery. 2. Route the battery cable through the routing guides on the battery. Next steps 1. Install the battery. 2. Install the base cover. 3. Install the microSD card. 4.

  • Page 50: Installing The 6-Cell 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 6-cell battery cable Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.

  • Page 51: Assembly Inner Frame

    Steps 1. Connect the battery cable to the connector on the battery. 2. Route the battery cable through the routing guides on the battery. Next steps 1. Install the battery. 2. Install the base cover. 3. Install the microSD card. 4.
  • Page 52 Removing and installing components...

  • Page 53: Installing The Assembly Inner Frame

    Steps 1. Unroute the antenna cables from the routing guides on the assembly inner frame. 2. Remove the single screw (M2x3) for the models shipped with fingerprint reader, that secures the fingerprint bracket to the assembly inner frame. 3. Remove the two screws (M2x4) that secure the 4-cell support frame to the assembly inner frame. 4.
  • Page 54 Removing and installing components...
  • Page 55 Steps 1. Align the screw holes on the assembly inner frame with the screw holes on the system board and the palm-rest assembly. NOTE: Ensure that the tab on the top-left corner of the assembly inner frame is installed underneath the tab on the palm-rest assembly.

  • Page 56: Led Board

    LED board Removing the LED board Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the card. 3. Remove the microSD card. 4. Remove the base cover. 5. Remove the 2280 solid-state drive 2230 solid-state drive. 6.

  • Page 57: Installing The Led Board

    3. Disconnect the LED-board cable from the connector on the system board. 4. Peel the LED-board cable from the computer. 5. Remove the single screw (M2x3) that secures the LED board to the palm-rest assembly. 6. Lift the LED board and cable away from the palm-rest assembly. Installing the LED board Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.

  • Page 58: Heat Sink

    Next steps 1. Install the assembly inner frame. 2. Install the battery. 3. Install the hard drive. 4. Install the WWAN card. 5. Install the wireless card. 6. Install the 2280 solid-state drive 2230 solid-state drive. 7. Install the base cover.

  • Page 59: Installing The Heat Sink And Fan Assembly - Uma

    Steps 1. Disconnect the system fan cable from the connector on the system board. 2. Remove the two screws (M2x4) that secure the system fan to the system board. 3. In reverse sequential order (as indicated on the heat sink), loosen the six captive screws that secure the heat sink and fan assembly to the system board.

  • Page 60: Removing The Heat Sink And Fan Assembly-Discrete

    Steps 1. Align the screw holes on the heat sink and fan assembly with the screw holes on the system board. 2. In sequential order (as indicated on the heat sink), tighten the six captive screws that secure the heat sink and fan assembly to the system board.
  • Page 61 About this task The following images indicate the location of the heat sink and fan assembly and provide a visual representation of the removal procedure. Steps 1. Disconnect the system fan cable from the connector on the system board. 2. Remove the two screws (M2x4) that secure the system fan to the system board. 3.

  • Page 62: Installing The Heat Sink And Fan Assembly-Discrete

    Installing the heat sink and fan assembly—discrete Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. CAUTION: 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 63: Speakers

    Steps 1. Align the screw holes on the heat sink and fan assembly with the screw holes on the system board. 2. In sequential order (as indicated on the heat sink), tighten the seven captive screws that secure the heat sink and fan assembly to the system board.

  • Page 64: Installing The Speakers

    Steps 1. Disconnect the speaker cable from the connector on the system board. 2. Peel the tape that secures the speaker cable to the palm-rest and keyboard assembly. 3. Note the speaker cable routing, and unroute the speaker cable from the routing guides on the palm-rest and keyboard assembly.

  • Page 65: System Board

    Steps 1. Using the alignment posts and rubber grommets, place the speakers on the slots of the palm-rest and keyboard assembly. 2. Route the speaker cable through the bottom-left corner of the system and ensure that the speaker cables are routed firmly into the routing guides on the palm-rest and keyboard assembly.
  • Page 66 7. Remove the hard drive. 8. Remove the wireless card. 9. Remove the WWAN card. 10. Remove the assembly inner frame. 11. Remove the heat sink. About this task The following image indicates the connectors on your system board. Figure 1. System board connectors 1.
  • Page 67 Removing and installing components...
  • Page 68 Steps NOTE: 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. In order to do so, technicians must also remove the two screws (M2x5) that secure the system fan to the system board.

  • Page 69: Installing The System Board

    Installing the system board Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following images indicate the location of the system board and provide a visual representation of the installation procedure. Removing and installing components...
  • Page 70 Steps NOTE: 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. In order to do so, technicians must also remove the two screws (M2x5) that secure the system fan to the system board.

  • Page 71: Power Button With Fingerprint Reader

    13. Connect the touchscreen cable from the connector on the system board (for models shipped with a touchscreen). 14. Connect IR camera cable from the connector on the system board (for models shipped with an IR camera). 15. Connect the clickpad cable to the system board and close the latch to secure the cable to the system board. 16.

  • Page 72: Installing The Power Button With Fingerprint Reader

    Steps 1. Remove the two screws (M2x2) that secure the power-button board to the palm-rest assembly. 2. Lift the power-button board off the palm-rest assembly. Installing the power button with fingerprint reader About this task The following image indicates the location of the power-button board and provide a visual representation of the installation procedure.
  • Page 73 Steps 1. Align and place the power-button board on the palm-rest assembly. 2. Replace the two screws (M2x2) that secure the power-button board to the palm-rest assembly. Next steps 1. Install the system board. 2. Install the assembly inner frame. 3.

  • Page 74: Smart Card Reader

    Smart card reader Removing the smart card reader Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the card. 3. Remove the microSD card. 4. Remove the base cover. 5. Remove the 2280 solid-state drive 2230 solid-state drive.
  • Page 75 Steps 1. Open the latch and disconnect the smart card reader cable from the connector on the USH board. 2. Peel the smart card reader cable from the palm-rest and keyboard assembly. 3. Remove the two screws (M2x3) that secure the smart card reader to the palm-rest and keyboard assembly. 4.

  • Page 76: Installing The Smart Card Reader

    Installing the smart card reader 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 smart card reader and provide a visual representation of the installation procedure.

  • Page 77: Coin-Cell Battery

    Steps 1. Align and place the smart card reader on the palm-rest and keyboard assembly. 2. Replace the two screws (M2x3) that secure the smart card reader to the palm-rest and keyboard assembly. 3. Adhere the smart card reader cable on the palm-rest and keyboard assembly. 4.

  • Page 78: Installing The Coin-Cell Battery

    Steps 1. Disconnect the coin-cell battery cable from the connector on the system board. 2. Unroute the coin-cell battery cable from the routing guides on the palm-rest assembly. 3. Pry and remove the coin-cell battery from the palm-rest assembly. Installing the coin-cell battery Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.

  • Page 79: Keyboard Assembly

    Steps 1. Adhere the coin-cell battery to the slot on the palm-rest assembly. 2. Route the coin-cell battery cable through the routing guides on the palm-rest assembly. 3. Connect the coin-cell battery cable to the connector on the system board. Next steps 1.
  • Page 80 2. Remove the card. 3. Remove the microSD card. 4. Remove the base cover. 5. Remove the 2280 solid-state drive 2230 solid-state drive. 6. Remove the battery. 7. Remove the hard drive. 8. Remove the wireless card. 9. Remove the WWAN card.
  • Page 81 Steps NOTE: For models shipped with a USH module, disconnect the USH cable from the keyboard bracket. Open the latch and disconnect the backlight cable and the keyboard cable from the connector on the clickpad. 2. Remove the 27 screws (M2x2) that secure the keyboard assembly to the palm-rest assembly. 3.

  • Page 82: Installing The Keyboard Assembly

    NOTE: If the keyboard support bracket is replaced, transfer the re-useable thermal pad (WWAN configuration only) over to the new replacement keyboard support bracket. Installing the keyboard assembly Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task NOTE: The system board can be installed with the heat sink attached in order to simplify the procedure and preserve the...
  • Page 83 Steps 1. Align and place the keyboard assembly on the palm-rest assembly. 2. Replace the 27 screws (M2x2) that secure the keyboard assembly to the palm-rest assembly. 3. Connect the keyboard cable and keyboard backlit cable to the connectors on the clickpad. NOTE: For models shipped with a USH module, connect the USH cable to the keyboard bracket.

  • Page 84: Keyboard Bracket

    Next steps 1. Install the system board. 2. Install the assembly inner frame. 3. Install the battery. 4. Install the hard drive. 5. Install the WWAN card. 6. Install the wireless card. 7. Install the 2280 solid-state drive 2230 solid-state drive.

  • Page 85: Installing The Keyboard Bracket

    Steps 1. Remove the fourteen screws (M2x2) that secure the keyboard to the keyboard bracket. 2. Remove the keyboard from the keyboard bracket. Installing the keyboard bracket Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task NOTE: The system board can be installed with the heat sink attached in order to simplify the procedure and preserve the...
  • Page 86 Steps 1. Align and place the keyboard on the keyboard bracket. 2. Replace the 14 screws (M2x2) to secure the keyboard to the keyboard bracket. NOTE: For 5G WWAN configuration, ensure that you transfer the absorber to new keyboard bracket. Next steps 1.

  • Page 87: Display Assembly

    Display assembly Removing the display assembly Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the card. 3. Remove the microSD card. 4. Remove the base cover. 5. Remove the Wireless card. 6. Remove the WWAN card.
  • Page 88 Removing and installing components...
  • Page 89 Removing and installing components...

  • Page 90: Installing The Display Assembly

    Steps 1. Remove the two screws (M2x3) that secure the eDP cable bracket to the system board. 2. Lift the eDP cable bracket away from the computer. 3. Peel the tape that secures the display cable to the system board. 4.
  • Page 91 About this task The following images indicate the location of the display assembly and provide a visual representation of the installation procedure. Removing and installing components...
  • Page 92 Removing and installing components...

  • Page 93: Display Bezel

    Steps 1. Place the display assembly on the system, and align the screw holes on the display hinges with screw holes on the system board. 2. Replace the six screws (M2.5x5) that secure the display hinges to the system board. 3.
  • Page 94 5. Remove the Wireless card. 6. Remove the WWAN card. 7. Remove the display assembly. About this task The following images indicate the location of the display bezel and provide a visual representation of the removal procedure. Steps NOTE: The display bezel is adhered to the display panel with adhesive. Insert a plastic scribe into the recesses near both hinge caps to start the prying process to release the display bezel.

  • Page 95: Installing The Display Bezel

    Installing the display bezel Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following image indicates the location of the display bezel and provides a visual representation of the installation procedure. Steps 1.

  • Page 96: Display Panel

    Display panel Removing the display panel Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the card. 3. Remove the microSD card. 4. Remove the base cover. 5. Remove the wireless card. 6. Remove the WWAN card.
  • Page 97 Removing and installing components...
  • Page 98 Removing and installing components...

  • Page 99: Installing The Display Panel

    Steps NOTE: The display panel is preassembled with the display brackets as a single service part. Do not pull the Stretch Release (SR) tapes and separate the brackets from the display panel. 1. Remove the four screws (M2.5x3.5) that secure the display panel to the display back cover. NOTE: While removing the display panel, disengage the display panel tabs from the display cover before flipping it over.
  • Page 100 Removing and installing components...
  • Page 101 Steps 1. Connect the display cable to the connector on the display panel and close the latch. 2. Adhere the conductive tape to secure the display cable to the display panel. 3. Close the display panel and the display back cover to assemble. NOTE: Ensure that the display panel tabs are inserted into the slots on the display cover.

  • Page 102: Camera

    Next steps 1. Install the display bezel. 2. Install the display assembly. 3. Install the WWAN card. 4. Install the wireless card. 5. Install the base cover. 6. Install the microSD card. 7. Install the card. 8. Follow the procedure in After working inside your computer.

  • Page 103: Installing The Camera

    Steps 1. Peel the two conductive tapes that secure the camera module in place. NOTE: An abrupt peeling may also remove the camera shutter from the display bezel and damage the camera shutter. 2. Disconnect the camera cable from the connector on the camera module. 3.

  • Page 104: Removing The Infrared Camera

    7. Install the base cover. 8. Install the microSD card. 9. Install the card. 10. Follow the procedure in After working inside your computer. Removing the infrared camera Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the card.

  • Page 105: Installing The Infrared Camera

    Installing the infrared camera 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 infrared camera and provides a visual representation of the installation procedure.
  • Page 106 3. Remove the microSD card. 4. Remove the base cover. 5. Remove the Wireless card. 6. Remove the WWAN card. 7. Remove the display assembly. 8. Remove the display bezel. 9. Remove the display panel. About this task The following images indicate the location of the eDP cable and provide a visual representation of the removal procedure. Steps 1.

  • Page 107: Installing The Edp Cable

    2. Peel the conductive tape and unroute the eDP/display cable to release it from adhesive and lift the eDP/display cable from the display back cover. Installing the eDP cable 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 eDP cable and provide a visual representation of the installation procedure.

  • Page 108: Sensor Board

    2. Adhere the eDP/display cable to the display back cover. 3. Adhere the conductive tape and route the eDP/display cable to the display back cover. Next steps 1. Install the display panel. 2. Install the display bezel. 3. Install the display assembly.

  • Page 109: Installing The Sensor Board

    Steps 1. Open the latch and disconnect the LED cable from connector on the sensor board. 2. Gently lift the sensor board away from the display back cover. Installing the sensor board About this task The following image indicates the location of the sensor board and provide a visual representation of the removal procedure. Steps 1.
  • Page 110 4. Remove the base cover. 5. Remove the Wireless card. 6. Remove the WWAN card. 7. Remove the display assembly. 8. Remove the display bezel. 9. Remove the display panel. About this task The following images indicate the location of the display hinges and provide a visual representation of the removal procedure. Removing and installing components...

  • Page 111: Installing The Display Hinges

    Steps 1. Remove the single (M2.5x3.5) screw that secures the right hinge to the display back cover. 2. Lift and remove the right hinge from the display back cover. 3. Remove the single (M2.5x3.5) screw that secures the left hinge to the display back cover. 4.
  • Page 112 Steps 1. Align the screw hole on the left hinge with the screw hole on the display back cover. 2. Replace the single (M2.5x3.5) screw to secure the left hinge to the display back cover. 3. Align the screw hole on the right hinge with the screw hole on the display back cover. 4.

  • Page 113: Display

    2. Install the display bezel. 3. Install the display assembly. 4. Install the WWAN card. 5. Install the Wireless card. 6. Install the base cover. 7. Install the microSD card. 8. Install the card. 9. Follow the procedure in After working inside your computer.

  • Page 114: Installing The Display Back Cover

    Steps After performing the steps in the pre-requisites, we are left with the display back cover. Installing the display back cover Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following image indicates the location of the display back cover and provides a visual representation of the installation procedure.

  • Page 115: Dummy Sim-Card Slot Filler

    Steps Place the display back cover on a flat surface. Next steps 1. Install the display hinges. 2. Install the sensor board. 3. Install the eDP/display cable. 4. Install the camera module. 5. Install the display panel. 6. Install the display bezel.

  • Page 116: Installing The Dummy Sim-Card Slot Filler

    9. Remove the WLAN card. 10. Remove the WWAN card. 11. Remove the assembly inner frame. 12. Remove the speakers 13. 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 117 About this task The following images indicate the location of the dummy SIM-card slot filler and provides a visual representation of the dummy SIM-card slot filler installation procedure. Steps 1. Place the dummy SIM-card slot filler into its compartment on the palm rest. NOTE: Ensure that the dummy SIM-card slot filler is aligned with the ribs on the palm-rest assembly.

  • Page 118: Palm-Rest Assembly

    Palm-rest assembly Removing the palm-rest assembly Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the card. 3. Remove the microSD card. 4. Remove the base cover. 5. Remove the memory module. 6. Remove the 2280 solid-state drive 2230 solid-state drive.

  • Page 119: Installing The Palm-Rest Assembly

    Steps After performing the steps in the pre-requisites, we are left with the palm-rest assembly. Installing the palm-rest assembly Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following image indicates the palm-rest assembly and provides a visual representation of the installation procedure. Removing and installing components...
  • Page 120 Steps 1. Place the palm-rest assembly on a flat surface. 2. Remove the dummy SIM card filler for the non-WWAN LTE configuration. Next steps 1. Install the dummy SIM-card slot filler. 2. Install the display assembly. 3. Install the keyboard assembly.

  • Page 121: 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 FAQ 000123347. Drivers and downloads...

  • Page 122: 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 123: One Time Boot Menu

    NOTE: Depending on your computer and its installed devices, the items listed in this section may or may not appear. Table 5. System setup options—System information menu Overview Latitude 5531 BIOS Version Displays the BIOS version number. Service Tag Displays the Service Tag of the computer.
  • Page 124 Table 5. System setup options—System information menu (continued) Overview Processor Type Displays the processor type. Maximum Clock Speed Displays the maximum processor clock speed. Minimum Clock Speed Displays the minimum processor clock speed. Current Clock Speed Displays the current processor clock speed. Core Count Displays the number of cores on the processor.
  • Page 125 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 126 Integrated Devices By default, the Type-C Dock Override option is enabled. Video Enable or disable the usage of video on Dell Dock external ports. By default, the Video option is disabled. Audio Enable or disable the usage of audio on Dell Dock external ports.
  • Page 127 Table 9. System setup options—Display menu (continued) Display Brightness on battery power Enable to set screen brightness when the computer is running on battery power. Brightness on AC power Enable to set screen brightness when the computer is running on AC power. Touchscreen Enable to activate the Touchscreen on operating system Full Screen Logo...
  • Page 128 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 129 Table 12. System setup options—Security menu (continued) Security Key Storage Enable Enables to control whether the Trusted Platform Module (TPM) Storage Hierarchy is available to the operating system. By default, the Key Storage Enable option is enabled. SHA-256 BIOS and the TPM will use the SHA-256 hash algorithm to extend measurements into the TPM PCRs during BIOS boot.
  • Page 130 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 131 Update, Recovery Dell Auto OS Recovery Threshold Controls the automatic boot flow for SupportAssist System Resolution Console and for Dell OS Recovery Tool. By default, the threshold value is set to 2. Table 15. System setup options—System Management menu System Management Service Tag Display the Service Tag of the computer.
  • Page 132 Table 17. System setup options—Pre-boot Behavior menu Pre-boot Behavior Adapter Warnings Enable Adapter Warnings Enable or disable the warning messages during boot when the adapters with less power capacity are detected. By default, the option is enabled. Warning and Errors Enable or disable the action to be done when a warning or error is encountered.

  • Page 133: 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 134: 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 135: System And Setup Password

    5. Select the file and double-click the flash target file, and then click Submit. 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 20.

  • Page 136: 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 137: 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 138: 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 139: 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 140 (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 141: 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 142: Auto Rtc Reset

    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 143 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 144: Chapter 6: Getting Help And Contacting Dell

    Getting help and contacting Dell Self-help resources You can get information and help on Dell products and services using these self-help resources: Table 23. Self-help resources Self-help resources Resource location Information about Dell products and services www.dell.com My Dell app...

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