Dell EMC Latitude 5420 Service Manual
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Dell EMC Latitude 5420 Service Manual

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Latitude 5420
Service Manual
Regulatory Model: P137G
Regulatory Type: P137G001,P137G002
January 2021
Rev. A00

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Summary of Contents for Dell EMC Latitude 5420

  • Page 1 Latitude 5420 Service Manual Regulatory Model: P137G Regulatory Type: P137G001,P137G002 January 2021 Rev. A00...
  • Page 2 Notes, cautions, and warnings NOTE: A NOTE indicates important information that helps you make better use of your product. CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem. WARNING: A WARNING indicates a potential for property damage, personal injury, or death.

  • Page 3: Table Of Contents

    Contents Chapter 1: Working inside your computer..................5 Before working inside your computer..........................5 Safety precautions................................5 Enter service mode................................6 Electrostatic discharge—ESD protection........................8 ESD field service kit ................................9 After working inside your computer..........................9 Chapter 2: Major components of your computer................11 Chapter 3: Removing and installing components................
  • Page 4 Operating system................................86 Downloading the drivers..............................86 Chapter 5: System setup......................87 BIOS overview..................................87 Entering BIOS setup program............................87 Navigation keys..................................87 Boot Sequence...................................88 System setup options...............................88 System and setup password............................97 Assigning a system setup password........................98 Deleting or changing an existing system setup password.................98 Chapter 6: Troubleshooting......................99 Dell SupportAssist Pre-boot System Performance Check diagnostics..............99 Running the SupportAssist Pre-Boot System Performance Check..............99...

  • Page 5: Chapter 1: Working Inside Your Computer

    Working inside your computer Topics: • Before working inside your computer • Safety precautions • Enter service mode • Electrostatic discharge—ESD protection • ESD field service kit • After working inside your computer Before working inside your computer About this task NOTE: The images in this document may differ from your computer depending on the configuration you ordered.

  • Page 6: Enter Service Mode

    Unplugging, pressing and holding the power button for 15 seconds should discharge residual power in the system board. Remove the battery from notebooks. Bonding Bonding is a method for connecting two or more grounding conductors to the same electrical potential. This is done through the use of a field service electrostatic discharge (ESD) kit.
  • Page 7 3. Press any key to continue. NOTE: The Service Mode procedure automatically skips this step if the Owner Tag of the system is not set up in advance by the manufacturer. 4. When the ready-to-proceed message appears on the screen, press any key to proceed. The system emits three short beeps and shuts down immediately.

  • Page 8: Electrostatic Discharge-Esd Protection

    Once the system shuts down, you can perform the replacement procedures without disconnecting the battery cable from the system board. 5. To exit Service Mode after finishing replacement procedures, connect AC adapter and press the power button to power on the system.

  • Page 9: Esd Field Service Kit

    ESD field service kit The unmonitored Field Service kit is the most commonly used service kit. Each Field Service kit includes three main components: anti-static mat, wrist strap, and bonding wire. Components of an ESD field service kit The components of an ESD field service kit are: ●...
  • Page 10 Steps 1. Replace all screws and ensure that no stray screws remain inside your computer. 2. Connect any external devices, peripherals, or cables you removed before working on your computer. 3. Replace any media cards, discs, or any other parts that you removed before working on your computer. 4.

  • Page 11: Chapter 2: Major Components Of Your Computer

    Major components of your computer...
  • Page 12 Major components of your computer Major components of your computer...
  • Page 13 1. Base cover 2. Battery 3. Speakers 4. Memory module 5. Assembly inner frame 6. System board 7. Keyboard assembly 8. Palm-rest assembly 9. Display assembly 10. Battery LED board 11. Coin-cell battery 12. Power button/fingerprint board 13. Heat sink 14.

  • Page 14: Chapter 3: Removing And Installing Components

    Some systems have magnetic surfaces. Ensure that the screws are not left attached to such surface when replacing a component. NOTE: Screw color may vary with the configuration ordered. Table 1. Latitude 5420 screw list Component Screw type Quantity Screw image...

  • Page 15: Disassembly And Reassembly

    Table 1. Latitude 5420 screw list (continued) Component Screw type Quantity Screw image 4-cell battery M2x5 Heat sink—integrated Captive screws System Fan M2x5 eDP cable/bracket M2x3 USB Tyoe-C support bracket M2x5 System board M2x3 Power button M2x2.5 Smart card reader M2x2.5...
  • Page 16 CAUTION: Removing the SIM card with the computer turned on, may cause data loss or damage to the card. Ensure that your computer is turned off or the network connections are disabled. About this task The following images indicate the location of the SIM card and provide a visual representation of the removal procedure. Steps 1.

  • 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 Steps 1. Push the microSD card to release it from the computer. 2. Slide the microSD card out of the computer. Installing the microSD card About this task The following image indicates the location of the microSD card and provides a visual representation of the installation procedure. Steps 1.

  • Page 19: Base Cover

    Next steps Follow the procedures in After working inside your computer. Base cover Removing the base 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.
  • Page 20 Steps 1. Loosen the eight captive screws that secure the base cover to the palm-rest assembly and keyboard assembly. 2. Using a plastic scribe, pry the base cover from the U-shaped indents at the top edge of the base cover to remove the base cover from the palm-rest assembly and keyboard assembly.
  • Page 21 Removing and installing components...

  • Page 22: Wlan 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 eight captive screws that secure the base cover to the palm-rest assembly and keyboard assembly. Next steps 1.
  • Page 23 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. 1. Remove the screw (M2x2.5) that secures the WLAN card bracket to the WLAN card. 2.
  • Page 24 Steps 1. Connect the antenna cables to the wireless card. The following table provides the antenna-cable color scheme: Table 2. Antenna-cable color scheme Connectors on the wireless card Antenna-cable color Main (white triangle) White Auxiliary (black triangle) Black 2. Place the WLAN-card bracket on the WLAN card. 3.

  • Page 25: Wwan Card

    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. 5. Remove the base cover. About this task The following image indicates the location of the WWAN card and provide a visual representation of the removal procedure. Steps 1.
  • Page 26 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 Drive

    Next steps 1. Install the base cover. 2. Install the microSD card. 3. Install the card. 4. Follow the procedure in After working inside your computer. Solid-state drive Removing the M.2 2280 solid-state drive Prerequisites 1. Follow the procedure in Before working inside your computer.
  • Page 28 Installing the M.2 2280 solid-state drive 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 M.2 2280 solid-state drive and provides a visual representation of the installation procedure.
  • Page 29 About this task The following images indicate the location of the M.2 2230 solid-state drive and provide a visual representation of the removal procedure. Steps 1. Remove the two screws (M2x3) that secures the M.2 2230 solid-state drive thermal plate to the M.2 2230 solid-state drive holder.
  • Page 30 Steps 1. Flip the M.2 2230 solid-state drive holder and align the notch on the M.2 2230 solid-state drive with the tab on the M.2 2230 solid-state drive holder. 2. Replace the single screw (M2x3) that secure the M.2 2230 solid-state drive to the M.2 2230 solid-state drive holder. 3.

  • Page 31: Memory Modules

    Memory modules Removing the memory modules 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. About this task The following images indicate the location of the memory modules and provide a visual representation of the removal procedure. Steps 1.

  • Page 32: Battery

    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 33 ● 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 34 About this task The following image indicates the location of the 3-cell battery and provides a visual representation of the installation procedure. NOTE: If battery is disconnected from system board for service, then there is a delay during system boot-up as the system undergoes RTC battery reset.
  • Page 35 Steps 1. Disconnect the battery cable from the system board, if it was not disconnected earlier. 2. Remove the three screws (M2x5) that secure the battery to the palm-rest assembly and keyboard assembly. 3. Lift the battery off the palm-rest assembly 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 36: Battery Cable

    Steps 1. Align and place the battery from the left side on the computer. 2. Replace the three screws (M2x5) that secure the battery to the palm-rest assembly and keyboard assembly. 3. Connect the battery cable to the system board. Next steps 1.
  • Page 37 Steps 1. Flip the battery and unroute the battery cable from the routing guides on the battery. 2. Disconnect the battery cable from the connector on the battery. 3. Lift the battery cable away from the battery. Installing the battery cable Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.

  • Page 38: Assembly Inner Frame

    Steps 1. Align and place the battery cable on the battery. 2. Route the battery cable through the routing guides on the battery. 3. Connect the battery cable to the connector on the battery. Next steps 1. Install the battery. 2.
  • Page 39 Steps 1. Unroute the antenna cables from the routing guides on the assembly inner frame. 2. Disconnect the LED-board cable from the connector on the system board. 3. Disconnect the speaker cable from the connector on the system board and unroute the cable from the routing guides on the assembly inner frame.
  • Page 40 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 41: Led Board

    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 42 Steps 1. Disconnect the LED-board cable from the connector on the system board. 2. Remove the single screw (M2x3) that secures the LED board to the palm-rest assembly. 3. 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 43: 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. Next steps 1.
  • Page 44 Steps 1. Disconnect the system fan cable from the connector on the system board. 2. Remove the two screws (M2x5) that secures the heat sink to the system board. 3. Loosen the four captive screws that secure the heat sink to the system board. 4.

  • Page 45: Speakers

    Steps 1. Align the screw holes on the heat sink with the screw holes on the system board. 2. Connect the system fan cable to the connector on the system board. 3. Tighten the four captive screws that secure the heat sink to the system board. 4.
  • Page 46 Steps 1. Disconnect the speaker cable from the connector on the system board. 2. Unroute the speaker cable from the routing guides on the assembly inner frame and palm-rest assembly. 3. Lift the speakers along with the cable off the palm-rest assembly. Installing the speaker Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.

  • Page 47: System Board

    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 guide on the assembly inner frame and palm-rest assembly. 3. Connect the speaker cable to the connector on the system board. Next steps 1.
  • Page 48 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 49 4. Using the pull tab, disconnect the display cable from the connector on the system board. 5. Disconnect the coin-cell battery cable from the connecter on the system board. NOTE: When you disconnect the coin-cell battery cable from the connecter on the system board, the CMOS setting is cleared.
  • Page 50 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 51: Power-Button Board

    Power-button board Removing the power-button 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 52 Installing the power-button board About this task The following images indicate the location of the power-button board and provide a visual representation of the installation procedure. Steps 1. Align and place the power-button board on the palm-rest assembly. 2. Replace the two screws (M2x2.5) that secure the power-button board to the palm-rest assembly. Next steps 1.

  • Page 53: Smart Card Reader

    Smart card reader Removing the smart card reader 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 54 Steps 1. Open the latch and disconnect the smart card reader cable from the connector on the USH board. 2. Remove the four screws (M2x2.5) that secure the smart card reader to the palm-rest assembly. 3. Lift the smart card reader off the palm-rest assembly. Installing the smart card reader Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.

  • Page 55: Keyboard Assembly

    Next steps 1. Install the assembly inner frame. 2. Install the battery. 3. Install the solid-state drive. 4. Install the WWAN card. 5. Install the WLAN card. 6. Install the base cover. 7. Install the microSD card. 8. Install the card.
  • Page 56 Steps 1. Open the latch and disconnect the keyboard cable from the connector on the touch pad. 2. Remove the 17 screws (M2x2) that secure the keyboard assembly to the palm-rest assembly. 3. Remove the keyboard assembly off the palm-rest assembly. Installing the keyboard assembly Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.

  • Page 57: Keyboard Bracket

    Steps 1. Align and place the keyboard assembly on the palm-rest assembly. 2. Replace the 17 screws (M2x2) that secure the keyboard assembly to the palm-rest assembly. 3. Connect the keyboard cable to the connector on the touch-pad. Next steps 1.
  • Page 58 2. Enter service mode. 3. Remove the card. 4. Remove the microSD card. 5. Remove the base cover. 6. Remove the WLAN card. 7. Remove the WWAN card. 8. Remove the memory module. 9. Remove the solid-state drive. 10. Remove the battery. 11.
  • Page 59 Steps 1. Align and place the keyboard on the keyboard bracket. 2. Replace the ten screws (M2x2) to secure the keyboard to the keyboard bracket. Next steps 1. Install the keyboard assembly. 2. Install the system board. 3. Install the assembly inner frame.

  • Page 60: 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 battery. About this task The following images indicate the location of the display assembly and provide a visual representation of the removal procedure.
  • Page 61 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 system. 3. Peel the tape that secures the display cable to the system board. 4.
  • Page 62 5. Disconnect the eDP cable from the connector on the system board and unroute it from the routing guide. 6. Peel the adhesive tape partially and unroute the antenna cables from the routing guides on the system board. 7. Open the display assembly to a 180 degree and flip over the computer, and then place the computer on a flat surface. 8.
  • Page 63 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 four screws (M2.5x3) that secure the display hinges to the palm-rest assembly. 3. Close the display. 4.

  • Page 64: Display Bezel

    Next steps 1. Install the battery. 2. Install the base cover. 3. Install the microSD card. 4. Install the card. 5. Follow the procedure in After working inside your computer. Display bezel Removing the display bezel Prerequisites 1. Follow the procedure in Before working inside your computer.
  • Page 65 CAUTION: Carefully pry and remove the display bezel to minimize the risk of display panel damages. 1. Insert a plastic scribe into the recesses near both hinge caps to start the prying process to release the display bezel. 2. Pry along the outside edge of the display bezel and work your way around the entire display bezel until the display bezel is separated from the display cover.

  • Page 66: Display Panel

    Display panel Removing the display panel 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 battery. 7. Remove the display assembly.
  • Page 67 Removing and installing components...
  • Page 68 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 two screws (M2.5x3) 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 2.
  • Page 69 Removing and installing components...
  • Page 70 Removing and installing components...
  • Page 71 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 72: Camera/Microphone Module

    Camera/microphone module Removing the camera/microphone module 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 battery. 7. Remove the display assembly.

  • Page 73: Edp/Display Cable

    About this task The following image indicates the location of the camera/microphone module and provides a visual representation of the installation procedure. Steps 1. Align and place the camera/microphone module into the slot on the display back cover. 2. Connect the camera/microphone cable to the connector on the camera/microphone module. Next steps 1.
  • Page 74 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 75: Sensor Board

    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 76 3. Remove the card. 4. Remove the microSD card. 5. Remove the base cover. 6. Remove the battery. 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 sensor board and provide a visual representation of the removal procedure. Steps 1.

  • Page 77: Display Hinges

    Steps 1. Align and place the sensor board on the display back cover. 2. Connect the display cable to the connector on the sensor board and close the latch. Next steps 1. Install the display panel. 2. Install the display bezel.
  • Page 78 Steps 1. Remove the two screws (M2.5x3) 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 two screws (M2.5x3) that secures the left hinge to the display back cover. 4.
  • Page 79 Steps 1. Align the screw hole on the left hinge with the screw hole on the display back cover. 2. Replace the two screws (M2.5x3) 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 80: 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 display assembly.

  • Page 81: Dummy Sim-Card Slot Filler

    About this task The following images indicate the location of the display back cover and provides a visual representation of the installation procedure. Steps Place the display back cover on a flat surface. Next steps 1. Install the display hinges. 2.
  • Page 82 8. Remove the memory module. 9. Remove the solid-state drive. 10. Remove the battery. 11. Remove the assembly inner frame. 12. Remove the system board. 13. Remove the smart card reader. 14. Remove the board. 15. Remove the power-button board. 16.
  • Page 83 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. 2. Press the dummy SIM-card slot filler until it clicks into place and ensure it fits securely into the SIM card slot. Next steps 1.

  • Page 84: 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 WLAN card. 7.
  • Page 85 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 NOTE: For non-WWAN LTE configuration, you must remove and transfer the dummy SIM card filler when replacing the palm-rest assembly.

  • Page 86: Chapter 4: Software

    Software This chapter details the supported operating systems along with instructions on how to install the drivers. Topics: • Operating system • Downloading the drivers Operating system ● Windows 10 Pro, 64-bit ● Windows 10 Home, 64-bit ● Windows 10 Pro Education, 64-bit ●...

  • Page 87: Chapter 5: 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 88: Boot Sequence

    Boot Sequence Boot Sequence allows 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: ●...
  • Page 89 Table 4. System setup options—System information menu (continued) Overview Memory Available Displays the total computer memory available. Memory Speed Displays the memory speed. Memory Channel Mode Displays single or dual channel mode. Memory Technology Displays the technology used for the memory. DIMM_SLOT B Displays the DIMM B memory size.
  • Page 90 Table 6. System setup options—Integrated Devices menu (continued) Integrated Devices Camera Enables or disable the camera. By default, the Enable Camera option is selected Audio Enable Audio Enable or disable the integrated audio controller. By default, all the options are enabled. USB/Thunderbolt Configuration ●...
  • Page 91 Table 7. System setup options—Storage menu Storage SMART Reporting Enable SMART Reporting Enable or disable Self-Monitoring, Analysis, and Reporting Technology (SMART) during computer startup. By default, the Enable SMART Reporting option is not enabled. Drive Information SATA-1 Type Displays the SATA-1 type information of the computer. Device Displays the SATA-1 device information of the computer.
  • Page 92 Table 9. System setup options—Connection menu (continued) Connection 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. Bluetooth Enable or disable the internal Bluetooth device By default, the option enabled.
  • Page 93 Table 10. System setup options—Power menu (continued) Power Thermal Management Enables to cool the fan and processor heat management to adjust the computer performance, noise, and temperature. 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.
  • Page 94 Table 11. System setup options—Security menu (continued) Security 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. Absolute Enable or disable or permanently disable the BIOS module interface of the optional Absolute Persistence Module service from Absolute software.
  • Page 95 Table 12. System setup options—Passwords menu (continued) Passwords 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.
  • Page 96 Table 15. 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. Keyboard Illumination Enables to change the keyboard illumination settings. By default, the Bright option is enabled.

  • Page 97: System And Setup Password

    Table 17. System setup options—Performance menu (continued) Performance Enable C-State Control Enable or disable additional processor sleep states. By default, the option is enabled. Intel TurbocBoost Technology Enable Intel Turbo Boost Technology Enable or disable Intel TurboBoost mode of the processor. By default, the option is enabled.

  • Page 98: Assigning A System Setup Password

    Assigning a system setup password Prerequisites You can assign a new System or Admin Password only when the status is in Not Set. About this task To enter the system setup, press F2 immediately after a power-on or reboot. Steps 1.

  • Page 99: Chapter 6: Troubleshooting

    Troubleshooting Topics: • Dell SupportAssist Pre-boot System Performance Check diagnostics • System diagnostic lights • Recovering the operating system • Flashing BIOS (USB key) • Flashing the BIOS • WiFi power cycle • Flea power release Dell SupportAssist Pre-boot System Performance Check diagnostics About this task SupportAssist diagnostics (also known as system diagnostics) performs a complete check of your hardware.

  • Page 100: 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 101: Recovering The Operating System

    Blinking Pattern Problem description Suggested resolution PCI or Video card/chip failure Replace the system board. BIOS recovery image not Flash latest BIOS version. If found problem persists, replace the system board. BIOS recovery image found Flash latest BIOS version. If but invalid problem persists, replace the system board.

  • Page 102: Flashing The Bios

    Flashing the BIOS About this task You may need to flash (update) the BIOS when an update is available or when you replace the system board. Follow these steps to flash the BIOS: Steps 1. Turn on your computer. 2. Go to www.dell.com/support. 3.

  • Page 103: Chapter 7: 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 20. Self-help resources Self-help resources Resource location Information about Dell products and services www.dell.com Tips Contact Support In Windows search, type Contact Support, and press Enter.

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