Dell Latitude 5521 Service Manual
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Dell Latitude 5521 Service Manual

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Latitude 5521
Service Manual
Regulatory Model: P104F
Regulatory Type: P104F003/P104F004
June 2021
Rev. A00

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Summary of Contents for Dell Latitude 5521

  • Page 1 Latitude 5521 Service Manual Regulatory Model: P104F Regulatory Type: P104F003/P104F004 June 2021 Rev. A00...
  • Page 2 A WARNING indicates a potential for property damage, personal injury, or death. © 2021 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 on your computer....................7 Safety instructions................................7 Working inside your computer............................ 7 Entering Service Mode..............................9 Exiting Service Mode..............................10 After working inside your computer........................10 Chapter 2: Removing and installing components................11 Recommended tools................................11 Screw list....................................12 Major components of your system..........................14 SIM card tray..................................
  • Page 4 Removing the 4-cell battery............................. 39 Installing the 4-cell battery............................40 Assembly inner frame................................41 Removing the assembly inner frame........................41 Installing the assembly inner frame......................... 43 LED board....................................44 Removing the LED board............................44 Installing the LED board.............................45 Heat sink....................................46 Removing the heat sink and fan assembly - UMA configuration..............46 Installing the heat sink and fan assembly - UMA configuration...............
  • Page 5 Deleting or changing an existing system setup password.................111 Clearing BIOS (System Setup) and System passwords..................111 Chapter 5: Troubleshooting......................112 Handling swollen Lithium-ion batteries........................112 Dell SupportAssist Pre-boot System Performance Check diagnostics...............113 Running the SupportAssist Pre-Boot System Performance Check............... 113 Built-in self-test (BIST)..............................113 M-BIST..................................113 LCD Power rail test (L-BIST)..........................
  • Page 6 Chapter 6: Getting help......................118 Contacting Dell..................................118 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: Entering Service Mode

    1. Shut down your computer and disconnect the AC adapter. 2. Hold <B> key on the keyboard and press the power button for 3 seconds or until the Dell logo appears on the screen. 3. Press any key to continue.

  • Page 10: Exiting Service Mode

    Once the computer shuts down, you may perform the replacement procedures without disconnecting the battery cable from the system board. Exiting Service Mode Service Mode allows users to immediately cut off electricity from the computer and conduct repairs without disconnecting the battery cable from the system board.

  • 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. Topics: • Recommended tools • Screw list • Major components of your system • SIM card tray • Micro Secure Digital (SD) Card •...

  • Page 12: Screw List

    Screw list NOTE: When removing screws from a component, it is recommended to note the screw type, the quantity of screws, and then place them in a screw storage box. This is to ensure that the correct number of screws and correct screw type is restored when the component is replaced.
  • Page 13 Table 1. Screw list (continued) Component Screw type Quantity Screw image Keyboard assembly M2x2 Keyboard bracket M2x2 Display assembly M2.5x5 (display hinges to palm-rest assembly) Display hinge M2.5x3 (display hinges to display back cover) Display panel M2.5x3 Removing and installing components...

  • Page 14: Major Components Of Your System

    Major components of your system 1. Base cover Removing and installing components...

  • Page 15: Sim Card Tray

    16. WLAN card 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 16: Installing The Sim Card

    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 17: Micro Secure Digital (Sd) Card

    Steps 1. Insert a pin into the hole of the SIM card tray and push inward until the tray is released 2. Slide the SIM card tray out of the slot on the computer. 3. Place the SIM card into the SIM card tray with the metallic contact facing up. 4.

  • Page 18: Installing The Microsd Card

    Steps 1. Push the microSD card to release it from the slot. 2. Slide the microSD card from the system. Installing the microSD 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 microSD card and provides a visual representation of the installation procedure.

  • Page 19: Base Cover

    Steps 1. Align the microSD card to its slot on the system. 2. Slide and insert the microSD 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.

  • 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 Removing and installing components...

  • Page 22: Wireless Card

    Steps 1. Place the base cover on top of the palm-rest and keyboard assembly. 2. Align the screw holes on the base cover with the screw holes on the palm-rest and keyboard assembly, and then snap the base cover into place. 3.

  • Page 23: Installing The Wireless Card

    Steps 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. Loosen the captive screw that secures the wireless-card bracket to the wireless card and system board. 2.
  • Page 24 Steps 1. Connect the antenna cables to the wireless card. The following table provides the antenna-cable color scheme for the wireless card that is supported by your computer. Table 2. Antenna-cable color scheme Connectors on the Antenna-cable color Silkscreen marking wireless card △...

  • Page 25: Wireless Wide Area Network (Wwan) Card

    5. Follow the procedure in After working inside your computer. Wireless Wide Area Network (WWAN) Card Removing the WWAN card Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Enter Service Mode. 3. Remove the card. 4. Remove the microSD card.

  • Page 26: Installing The Wwan Card

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

  • Page 27: Solid-State Drives

    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. 2. Install the card. 3. Install the base cover.

  • Page 28: Installing The 2230 Solid-State Drive

    Steps 1. Remove the single (M2x2) screw securing the solid-state drive assembly in place. 2. Remove the solid-state drive assembly from the system. 3. Slide the solid-state drive bracket out of the system. 4. Slide and remove the solid-state drive from the M.2 slot. Installing the 2230 solid-state drive Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.

  • Page 29: Removing The 2230 Solid-State Drive Slot-2

    Removing the 2230 solid-state drive slot-2 Prerequisites 1. Follow the procedure in Before working inside your computer. NOTE: Solid-state drives are fragile. Exercise care when handling the solid-state drive. NOTE: To avoid data loss, do not remove the solid-state drive while the computer is in sleep or on state. 2.

  • Page 30: Removing The 2280 Solid-State Drive

    About this task NOTE: Solid-state drives are fragile. Exercise care when handling the solid-state drive. NOTE: Depending on the configuration ordered, your computer may support a 2230 solid-state drive, or a 2280 solid-state drive in M.2 slot. NOTE: This procedure applies only if you are installing a 2230 solid-state drive in M.2 slot. The following image indicates the location of the 2230 solid-state drive that is installed in M.2 slot and provides a visual representation of the installation procedure.

  • Page 31: Installing The 2280 Solid-State Drive

    5. Remove the base cover. 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 32: Memory

    5. Remove the base cover. About this task NOTE: Latitude 5521 supports two memory slots. The following images indicate the location of the memory module and provide a visual representation of the removal procedure. Removing and installing components...

  • Page 33: Installing The Memory Module

    If you are replacing a component, remove the existing component before performing the installation procedure. About this task NOTE: Latitude 5521 supports two memory slots. The following image indicates the location of the memory module and provides a visual representation of the installation procedure.

  • Page 34: Hard-Drive Assembly

    Steps 1. Align the notch on the memory module with the tab on the memory-module slot. 2. Slide the memory module firmly at an angle, into the memory-module slot. 3. 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 35: Installing The Hard Drive

    Steps 1. Locate the Hard drive on your computer. 2. Disconnect the Hard drive cable from the system board. 3. Remove the four (M2x4) screws that secure the Hard drive to the system board. 4. 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 36: Battery Cable

    Steps 1. Locate the system board slot on your computer. 2. Align and install the HDD into the computer 3. Replace the four (M2x4) screws that secure the HDD to the computer. 4. Connect the HDD cable on to the connector on the system board. Next steps 1.

  • Page 37: Installing The Battery Cable

    Steps 1. Flip the battery and remove 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 off the battery. Installing the battery cable Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.

  • Page 38: Battery

    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 base cover.

  • Page 39: 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 lithium-ion battery can be dangerous. In such an instance, contact Dell technical support for assistance. See www.dell.com/contactdell.

  • Page 40: Installing The 4-Cell Battery

    Installing the 4-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 4-cell (64 Wh) battery and provides a visual representation of the installation procedure.

  • Page 41: Assembly Inner Frame

    Assembly inner frame Removing the assembly inner frame 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 battery. 6. Remove the hard drive.
  • Page 42 Steps 1. Unroute the antenna cables from the routing guides on the assembly inner frame. 2. Remove the two screws (M2x3) that secures the assembly inner frame bracket to the system board and the palm-rest assembly. 3. Remove the assembly inner frame bracket. 4.

  • Page 43: Installing The Assembly Inner Frame

    Installing the assembly inner frame 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 assembly inner frame and provides a visual representation of the installation procedure.

  • Page 44: Led Board

    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. 2. Replace the seventeen screws (M2x3) that secure the assembly inner frame to the system board and the palm-rest assembly.

  • Page 45: Installing The Led Board

    Steps 1. Disconnect the LED-board cable and touchpad cable from the connector on the system board. 2. Peel the LED-board cable off the coin-cell battery. 3. Remove the single screw (M2x3) that secures the LED board to the palm-rest assembly. 4.

  • Page 46: Heat Sink

    Steps 1. Align the screw hole on the LED board with the screw hole on the palm-rest assembly. 2. Replace the single screw (M2x3) to secure the LED board to the palm-rest assembly. 3. Route the LED-board cable and connect the cable to the connector on the system board. CAUTION: Do not route the LED-board cable under the coin-cell battery.
  • Page 47 CAUTION: For maximum cooling of the processor, do not touch the heat transfer areas on the heat sink. The oils in your skin can reduce the heat transfer capability of the thermal grease. NOTE: The heat sink may become hot during normal operation. Allow sufficient time for the heat sink to cool before you touch it.

  • Page 48: Installing The Heat Sink And Fan Assembly - Uma Configuration

    Installing the heat sink and fan assembly - UMA configuration 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 49: Removing The Heat Sink And Fan Assembly - Discrete Configuration

    Next steps 1. Install the microSD card. 2. Install the card. 3. Install the base cover. 4. Exit Service Mode. 5. Follow the procedure in After working inside your computer. Removing the heat sink and fan assembly - Discrete configuration Prerequisites 1.

  • Page 50: Installing The Heat Sink And Fan Assembly - Discrete Configuration

    Steps 1. Remove the two (M2x4) screws that secure the system fan to the frame. 2. In reverse sequential order (as indicated on the heat sink), loosen the six (M2x3) screws that secure the heat sink and fan assembly to the system board. 3.
  • Page 51 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 (M2x3) screws that secure the heat sink to the system board.

  • Page 52: Speakers

    Speakers Removing the speakers 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 battery. 6. Remove the hard drive. About this task The following images indicate the location of the speakers and provide a visual representation of the removal procedure.

  • Page 53: Usb Type-C Bracket

    Steps 1. Using the alignment posts and rubber grommets, place the speakers on the slots of the palm-rest and keyboard assembly. 2. Connect the speaker cable to the system board. 3. Route the speaker cable through the bottom-left corner of the system and ensure that the speaker cables are routed firmly into the routing channels on the inner frame.

  • Page 54: Installing The Usb Type-C Bracket

    Steps 1. Remove the three (M2x5) screws that secure the USB type-C bracket to the system board. 2. Lift the USB type-C bracket off the system. Installing the USB type-C bracket 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 USB type-C bracket and provides a visual representation of the installation procedure.

  • Page 55: System Board

    Steps 1. Place the USB type-C bracket on the system board and align the holes of the bracket and the system board. 2. Replace the three (M2x5) screws to secure the USB type-C bracket to the system board. Next steps 1.
  • Page 56 About this task The following images indicate the location of the system board and provide a visual representation of the removal procedure. Removing and installing components...

  • Page 57: Installing The System Board

    Steps NOTE: The system board can be removed and installed with the heat sink attached in order to simplify the procedure and preserve the heat sink between the system board and heat-sink. In order to do so, technicians must also remove the two (M2x5) screws the secure the system fan to the system board.
  • Page 58 Removing and installing components...

  • Page 59: Power-Button Board

    Steps NOTE: The system board can be removed and installed with the thermal module 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 (M2x5) screws the secure the system fan to the system board.

  • Page 60: Installing The Power-Button Board

    9. Remove the battery. 10. Remove the assembly inner frame. 11. Remove the system board. About this task The following images indicate the location of the power-button board and provide a visual representation of the removal procedure. Steps 1. Remove the two screws (M2x2) that secure the power-button board to the palm-rest assembly. 2.

  • Page 61: Smart Card Reader

    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 62: Installing The Smart Card Reader

    7. Remove the WLAN card. 8. Remove the WWAN card. 9. Remove the battery. 10. Remove the assembly inner frame. About this task The following images indicate the location of the smart card reader and provide a visual representation of the removal procedure.
  • Page 63 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 three screws (M2x3) that secure the smart card reader to the palm-rest assembly. 3.

  • Page 64: Coin-Cell Battery

    10. Follow the procedure in After working inside your computer. 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.

  • Page 65: 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 66: Keyboard Assembly

    Keyboard assembly Removing the keyboard assembly Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Enter Service Mode. 3. Remove the card. 4. Remove the microSD card. 5. Remove the base cover. 6. Remove the memory module. 7.

  • Page 67: Installing The Keyboard Assembly

    Steps NOTE: For models shipped with a USH module, disconnect the USH cable from the keyboard bracket. Lift the latch and disconnect the keyboard cable and keyboard backlit cable (for models that are shipped with the keyboard backlight) from the touchpad. 2.
  • Page 68 The following image indicates the location of the keyboard assembly and provides a visual representation of the installation procedure. Steps 1. Align and place the keyboard assembly on the palm-rest assembly. 2. Replace the twenty seven (M2x2) screws that secure the keyboard assembly to the palm-rest. 3.

  • Page 69: Keyboard Bracket

    10. Install the microSD card. 11. Install the card. 12. Exit Service Mode. 13. Follow the procedure in After working inside your computer. Keyboard bracket Removing the keyboard bracket Prerequisites 1. Follow the procedure in Before working inside your computer. 2.

  • Page 70: Installing 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 thermal bond between the system board and heat sink.

  • Page 71: Display Assembly

    Display assembly Removing the display assembly Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Enter Service Mode. 3. Remove the card. 4. Remove the microSD card. 5. Remove the base cover. 6. Remove the WLAN card. 7.
  • Page 72 Removing and installing components...

  • Page 73: Installing The Display Assembly

    Steps 1. Peel the adhesive tape partially and unroute the WLAN and WWAN antenna cables from the routing guides on the system board. 2. Remove the two (M2x3) screws that secure the eDP cable bracket to the system board. 3. Lift the eDP cable bracket away from the system. 4.
  • Page 74 Removing and installing components...

  • Page 75: Display Bezel

    Steps 1. Place the display assembly on the system. Align the screw holes on the display hinges with screw holes on the palm-rest assembly. 2. Replace the six (M2.5x5) screws that secure the display hinges to the palm-rest assembly. 3. Close the display. 4.

  • Page 76: Installing The Display Bezel

    7. Remove the WWAN card. 8. 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 77: Display Panel

    Steps 1. Align and place the display bezel on the display assembly. 2. Gently snap the display bezel into place. Next steps 1. Install the display assembly. 2. Install the WWAN card. 3. Install the WLAN card. 4. Install the base cover.
  • Page 78 9. Remove the display bezel. 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 79 Removing and installing components...

  • Page 80: 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 81 Removing and installing components...
  • Page 82 Steps 1. Connect the display cable to the connector on the display panel and close the latch. 2. Adhere the clear tape to cover the display cable connector. 3. Adhere the conductive tape to secure the display cable to the display panel. 4.

  • Page 83: Camera/Microphone Module

    Camera/microphone module Removing the camera Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Enter Service Mode. 3. Remove the card. 4. Remove the microSD card. 5. Remove the base cover. 6. Remove the display assembly. 7. Remove the display bezel.

  • Page 84: Edp/Display Cable

    About this task The following image indicates the location of the camera and provides a visual representation of the installation procedure. Steps 1. Align and place the camera module into the slot on the display back cover. 2. Connect the camera cable to the connector on the camera module. 3.

  • Page 85: Installing The Edp Cable

    About this task The following images indicate the location of the eDP cable and provide a visual representation of the removal procedure. Steps 1. Disconnect the eDP/display cable from the connector on the camera/microphone module. 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.
  • Page 86 Steps 1. Connect the eDP/display cable to the connector on the camera. 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.

  • Page 87: Sensor Board

    Sensor board Removing the sensor board Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Enter Service Mode. 3. Remove the card. 4. Remove the microSD card. 5. Remove the base cover. 6. Remove the WLAN card. 7.

  • Page 88: Display Hinges

    Steps 1. Align and place the sensor board on the display back cover. 2. Connect the LED cable to the connector on the sensor board and close the latch. Next steps 1. Install the display panel. 2. Install the display bezel.

  • Page 89: Installing The Display Hinges

    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 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.
  • Page 90 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 91: Display Back Cover

    Display back cover Removing the display back cover Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Enter Service Mode. 3. Remove the card. 4. Remove the microSD card. 5. Remove the base cover. 6. Remove the WLAN card.

  • Page 92: Installing 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 93: Palm-Rest Assembly

    Palm-rest assembly Removing the palm-rest assembly Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Enter Service Mode. 3. Remove the card. 4. Remove the microSD card. 5. Remove the base cover. 6. Remove the memory module. 7.

  • Page 94: 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. Steps 1.
  • Page 95 16. Install the microSD card. 17. Install the card. 18. Exit Service Mode. 19. Follow the procedure in After working inside your computer. Removing and installing components...

  • Page 96: Chapter 3: Drivers And Downloads

    Downloading the drivers Steps 1. Turn on your computer. 2. Go to www.dell.com/support. 3. Enter the Service Tag of your computer, and then click Submit. NOTE: If you do not have the Service Tag, use the auto-detect feature or manually browse for your computer model.

  • Page 97: Chapter 4: System Setup

    System 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: Before you change BIOS Setup program, it is recommended that you write down the BIOS Setup program screen information for future reference.

  • Page 98: One Time Boot Menu

    Boot sequence enables you to bypass the System Setup–defined boot device order and boot directly to a specific device (for example: optical drive or hard drive). During the Power-on Self-Test (POST), when the Dell logo appears, you can: ● Access System Setup by pressing F2 key ●...
  • Page 99 Table 4. System setup options—System information menu (continued) Overview Ownership Tag Displays the Ownership Tag of the computer. Signed Firmware Update Displays whether the Signed Firmware Update is enabled on your computer. Battery Information Primary Displays that battery is primary. Battery Level Displays the battery level of the computer.
  • Page 100 Table 4. System setup options—System information menu (continued) Overview Pass Through MAC Address Displays the pass through MAC address of the computer. Cellular Device Displays the M.2 PCIe SSD information of the computer. dGPU Video Controller Displays the Distcrete graphics card information on the computer. Table 5.
  • Page 101 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 102 Table 7. System setup options—Storage menu (continued) Storage Enable MediaCard Secure Digital (SD) Card Enable or disable the SD card. By default, the Secure Digital (SD) Card option is enabled. Secure Digital (SD) Card Read-Only Mode Enable or disable the SD card read-only mode. By default, the Secure Digital (SD) Card Read-Only Mode option is not enabled.
  • Page 103 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 104 Table 10. System setup options—Power menu (continued) Power By default, the Intel Speed Shift Technology option is enabled. Table 11. System setup options—Security menu Security TPM 2.0 Security TPM 2.0 Security On Enable or disable TPM 2.0 security options. By default, the TPM 2.0 Security On option is enabled. Attestation Enable Enables to control whether the Trusted Platform Module (TPM) Endorsement Hierarchy is available to the operating system.
  • Page 105 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 13. System setup options—Update, Recovery menu...
  • Page 106 By default, the option is enabled. 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 14. System setup options—System Management menu...
  • Page 107 Table 15. System setup options—Keyboard menu (continued) Keyboard Keyboard Backlight Timeout on AC Set the timeout value for the keyboard backlight when an AC adapter is connected to the computer. By default, the 10 seconds option is enabled. Keyboard Backlight Timeout on Set the timeout value for the keyboard backlight when the is running only on Battery battery power.

  • Page 108: Updating The Bios

    Steps 1. Go to www.dell.com/support. 2. Click Product support. In the Search support box, enter the Service Tag of your computer, and then click Search. NOTE: If you do not have the Service Tag, use the SupportAssist feature to automatically identify your computer. You can also use the product ID or manually browse for your computer model.

  • Page 109: Updating The Bios In Linux And Ubuntu

    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 110: System And Setup Password

    ● BIOS executable file that you downloaded from the Dell Support website and copied to the root of the USB drive ● AC power adapter that is connected to the computer ● Functional computer battery to flash the BIOS Perform the following steps to perform the BIOS update flash process from the F12 menu: CAUTION: Do not turn off the computer during the BIOS update process.

  • Page 111: 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 112: 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 113: 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 114: 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 115: System Diagnostic Lights

    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. Amber — Computer is running on battery and the battery has less than 5 percent charge. ●...

  • Page 116: 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 117: Wifi Power Cycle

    5. Press and hold the power button for 20 seconds to drain the flea power. 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, see the knowledge base article SLN85632 www.dell.com/support. Troubleshooting...
  • Page 118 About this task Dell provides several online and telephone-based support and service options. Availability varies by country and product, and some services may not be available in your area. To contact Dell for sales, technical support, or customer service issues: Steps 1.

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