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Dell Latitude 9520 2-in-1 Service Manual
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Dell Latitude 9520 2-in-1 Service Manual

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Latitude 9520/Latitude 9520 2-in-1
Service Manual
Regulatory Model: P94F/P95F
Regulatory Type: P94F002/P95F002
June 2023
Rev. A04

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Summary of Contents for Dell Latitude 9520 2-in-1

  • Page 1 Latitude 9520/Latitude 9520 2-in-1 Service Manual Regulatory Model: P94F/P95F Regulatory Type: P94F002/P95F002 June 2023 Rev. A04...
  • Page 2 A WARNING indicates a potential for property damage, personal injury, or death. © 2021-2023 Dell Inc. or its subsidiaries. All rights reserved. Dell Technologies, Dell, and other trademarks are trademarks of Dell Inc. or its subsidiaries. Other trademarks may be trademarks of their respective owners.

  • Page 3: Table Of Contents

    Contents Chapter 1: Working on your computer................... 6 Safety instructions................................6 Before working inside your computer........................6 Service mode.................................. 7 Safety precautions................................ 8 Electrostatic discharge—ESD protection....................... 9 ESD field service kit ..............................9 After working inside your computer........................10 Chapter 2: Removing and installing components................11 Recommended tools................................11 Screw list....................................
  • Page 4 Removing the power button with fingerprint reader..................37 Installing the power button with fingerprint reader.................... 38 Battery....................................39 Rechargeable Li-ion battery precautions.......................39 Removing the 4-cell battery............................. 40 Installing the 4-cell battery............................41 Removing the 6-cell battery............................. 43 Installing the 6-cell battery............................43 Smart card reader................................
  • Page 5 Dell SupportAssist Pre-boot System Performance Check diagnostics..............87 Running the SupportAssist Pre-Boot System Performance Check..............87 Diagnostics..................................87 Recovering the operating system..........................89 Diagnostic error messages..............................89 System error messages..............................92 Backup media and recovery options..........................92 Wi-Fi power cycle................................93 Chapter 6: Getting help and contacting Dell................94 Contents...

  • Page 6: 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 7: Service Mode

    Steps 1. Save and close all open files and exit all open applications. 2. Shut down your computer. For Windows operating system, click Start > Power > Shut down. NOTE: If you are using a different operating system, see the documentation of your operating system for shut-down instructions.

  • Page 8: Safety Precautions

    4. When the ready-to-proceed message appears on the screen, press any key to proceed. The system will emit three short beeps and shut down immediately. NOTE: If the AC adapter is not disconnected from the system, a message prompting you to remove the AC adapter is displayed on the screen.

  • Page 9: Electrostatic Discharge-Esd Protection

    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 10: After Working Inside Your Computer

    It is recommended to use the traditional wired ESD grounding wrist strap and protective anti-static mat at all times when servicing Dell products. In addition, it is critical to keep sensitive parts separate from all insulator parts while performing service and that they use anti-static bags for transporting sensitive components.

  • Page 11: Chapter 2: Removing And Installing Components

    Removing and installing components Topics: • Recommended tools • Screw list • Major components of your system • SIM card tray • MicroSD card • Base cover • WWAN card • Solid-state drive • Speakers • System board • I/O daughter board power cable •...
  • Page 12 Table 1. Latitude 9520 screw list (continued) Component Screw type Quantity Image 4-cell battery M1.6x3.5 M2x3 6-cell battery M1.6x3.5 M2x3 WWAN Captive screw Smart card reader M2x2 Solid-state drive M2x2 Speaker M1.6x1.8 I/O board M1.6x3.5 System fan M2x3 Display cable bracket M1.6x3.5 Display assembly M2.5x5...

  • Page 13: Major Components Of Your System

    Table 1. Latitude 9520 screw list (continued) Component Screw type Quantity Image M2.5x5 M1.6x4.5 Keyboard M1.6x2 M1.6x1.5 Major components of your system 1. Base cover 2. Solid-state drive shield 3. Solid-State drive 4. WWAN shield 5. WWAN Card 6. System board Removing and installing components...

  • Page 14: Sim Card Tray

    7. Smart card reader 8. Palmrest 9. Display assembly 10. Keyboard 11. I/O board 12. System fan 13. Battery 14. Speakers SIM card tray Removing the SIM card tray Prerequisites Follow the procedure in before working inside your computer. About this task The following image provides a visual representation of the SIM card tray removal procedure.

  • Page 15: Installing 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. Remove the Micro-SIM from the SIM tray. 5. Slide the SIM card tray back into the slot on the system. Installing the SIM card tray Prerequisites If you are replacing a component, remove the necessary component before the installation procedure.

  • Page 16: Microsd Card

    Next steps Follow the procedure in After working inside your computer. MicroSD card Removing the microSD card Prerequisites Follow the procedure in before working inside your computer. About this task The following image provides a visual representation of the microSD card removal procedure. Steps 1.

  • Page 17: Base Cover

    Steps 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. Follow the procedure in before working inside your computer.
  • Page 18 About this task Removing and installing components...

  • Page 19: Installing The Base Cover

    Steps 1. Loosen the nine captive screws that secure the base cover to the system. 2. Using a plastic scribe, pry open the base cover starting from the recesses located in the U-shaped indents near the hinges at the top edge of the base cover. NOTE: Do not pull the base cover from the top side immediately after prying it from the recesses, as this will cause damage to the base cover.

  • Page 20: Wwan Card

    Steps 1. Align and place the base cover on the palmrest and keyboard assembly, and snap the base cover into place. 2. Tighten the nine captive screws to secure the base cover to the system. Next steps 1. Install the SIM card tray.

  • Page 21: Installing The Wwan Card

    About this task The following images indicate the location of the WWAN card and provide a visual representation of the removal procedure. Steps 1. Using a plastic scribe, pry open the WWAN card shield covering the WWAN card. 2. Loosen the single captive screw that secures the WWAN-card bracket to the WWAN card. 3.
  • Page 22 Steps 1. Align the notch on the WWAN card with the tab on the WWAN-card slot. NOTE: If any of the thermal pads located underneath the WWAN card are detached from the system board when removing the WWAN card from the system, adhere them back on the system board. Removing and installing components...

  • Page 23: Solid-State Drive

    2. Slide the WWAN card at an angle into the WWAN-card slot. 3. Connect the antenna cables to the connectors on the WWAN card. 4. Align and place the WWAN-card bracket on the system board and WWAN card. 5. Push down on the WWAN card with the bracket and tighten the single captive screw. 6.

  • Page 24: Installing The Solid-State Drive

    Steps 1. Using a plastic scribe, pry open the solid-state drive shield and lift it out of the system. 2. Remove the single screw (M2x2) that secures the solid-state drive to the system board. 3. Lift and slide the solid-state drive from the solid-state drive slot on the system board. Installing the solid-state drive Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.

  • Page 25: Speakers

    Steps 1. Align the notch on the solid-state drive with the tab on the M.2 card connector. 2. Slide the solid-state drive into the M.2 card connector on the system board. 3. Push down the solid-state drive and replace the screw (M2x2) that secures the solid-state drive to the system board. 4.

  • Page 26: Installing The Speaker

    4. Enter service mode. 5. Remove the base cover. About this task The following images indicate the location of the speaker and provide a visual representation of the removal procedure. Steps 1. Peel off the adhesive tape and disconnect the battery cable from the system board. 2.
  • Page 27 About this task The following image indicates the location of the speaker and provides a visual representation of the installation procedure. Steps 1. Align and place the speakers in the slot on the system. 2. Replace the four (M1.6x1.8) screws that secure the speakers to the system. 3.

  • Page 28: System Board

    System board Removing the system board Prerequisites 1. Follow the procedure in before working inside your computer. 2. Remove the microSD card. 3. Remove the SIM card tray. 4. Remove the base cover. 5. Remove the solid-state drive. 6. Remove the WWAN card.
  • Page 29 NOTE: Replacement system boards are pre-assembled with heat sink and fan. Do not remove the heat sink and fan from system board. The system board can be replaced together with the heat sink and fan attached. Steps 1. Remove the single (M1.6x3.5) screw that secures the display-cable bracket to the system board. 2.

  • Page 30: 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 image indicates the location of the system board and provides a visual representation of the installation procedure. Removing and installing components...
  • Page 31 Steps 1. Align and place the system board on the palm-rest and keyboard assembly. 2. Replace the ten (M1.6x3.5) screws to secure the system board to the palm-rest and keyboard assembly . 3. Connect the I/O daughter board data cable. 4.

  • Page 32: I/O Daughter Board Power Cable

    I/O daughter board power cable Removing the I/O daughter board cable Prerequisites 1. Follow the procedure in before working inside your computer. 2. Remove the microSD card. 3. Remove the SIM card tray. 4. Enter service mode. 5. Remove the base cover.

  • Page 33: I/O Daughter Board

    Steps 1. Route the I/O daughter board cable on the routing channels on to the system fan. 2. Connect the I/O daughter board cable to the I/O daughter board, and system board. 3. Reconnect the battery cable to the connector on the system board. Next steps 1.

  • Page 34: Installing The I/O Board

    Steps 1. Disconnect the I/O daughter board data cable, fingerprint reader cable, and LED board cable from the I/O board. 2. Remove the four (M1.6x3.5) screws and lift the I/O daughter board out of the system. Installing the I/O board Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.

  • Page 35: Power Button

    Steps 1. Align and place the I/O board on the system. 2. Replace the four (M1.6x3.5) screws to secure the I/O daughter board in place. 3. Connect the LED board cable, fingerprint reader cable, and I/O daughter board data cable to the connectors on the I/O board.

  • Page 36: Installing The Power Button

    Steps 1. Remove the three (M2.5x5) screws that secures the display hinge to the chassis and fold the hinge up. 2. Remove the three (M1.5x2.5) screws from the power-button bracket and remove the bracket from the system. 3. Peel off the power-button assembly from the palm rest and remove the power-button assembly from the system. Installing the power button Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.

  • Page 37: Power Button With Finger Print Reader (Optional)

    Steps 1. Align and place the power-button assembly on the system. Adhere the power-button assembly on the palm-rest. 2. Place the power-button bracket on the power-button assembly and install the three (M1.5x2.5) screws. 3. Fold back the display hinge and install the three (M2.5x5) screws to secure it. Next steps 1.

  • Page 38: Installing The Power Button With Fingerprint Reader

    Steps 1. Remove the three (M2.5x5) screws that secures the display hinge to the chassis and fold the hinge up. 2. Remove the three (M1.5x2.5) screws from the power button bracket and remove the bracket from the system. 3. Peel off the power button with fingerprint reader assembly from the palm rest and remove it from the system. Installing the power button with fingerprint reader Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.

  • Page 39: Battery

    Steps 1. Align and place the power button with fingerprint reader assembly on the system and adhere it to the palmrest. 2. Align and place the power button with fingerprint reader bracket in place, and install the three (M1.5x2.5) screws. 3.

  • Page 40: 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 41: Installing The 4-Cell Battery

    Steps 1. Peel off the adhesive tape that secures the wireless antenna cables in place and unroute the wireless antenna cables from the routing guides. NOTE: The cables for the wireless antennas are routed over the plastic bracket at the upper right corner and within the routing channels along the bottom right side of the battery.
  • Page 42 About this task The following image indicates the location of the battery and provides a visual representation of the installation procedure. NOTE: If battery was disconnected from system board for service, there will be a delay during system boot-up as the system will undergo RTC battery reset.

  • Page 43: Removing The 6-Cell Battery

    Removing the 6-cell battery Prerequisites 1. Follow the procedure in before working inside your computer. 2. Remove the microSD card. 3. Remove the SIM card tray. 4. Remove the base cover. 5. Remove the speakers. About this task The following images indicate the location of the battery and provide a visual representation of the removal procedure. NOTE: If battery was disconnected from system board for service, there will be a delay during system boot-up as the system will undergo RTC battery reset.

  • Page 44: Smart Card Reader

    NOTE: If battery was disconnected from system board for service, there will be a delay during system boot-up as the system will undergo RTC battery reset. Steps 1. Align and place the battery on the palmrest and keyboard assembly. 2. Install the single (M1.6x3.5) and eight (M2x3) screws to secure the battery in place. 3.

  • Page 45: Installing The Smart Card Reader

    About this task Steps 1. Open the latch and disconnect the touchpad FPC from the system board. 2. Open the latch and disconnect the smart card reader cable from the I/O-daughter board. 3. Remove the two screws (M2x2) that secure the smart card reader to the palmrest assembly. 4.
  • Page 46 About this task Steps 1. Align and place the smart card reader on the palmrest assembly. 2. Replace the two screws (M2x2) to secure the smart card reader to the palmrest assembly. 3. Connect the smart card reader cable to the connector on the I/O-daughter board and close the latch. 4.

  • Page 47: System Board

    System board Removing the system board Prerequisites 1. Follow the procedure in before working inside your computer. 2. Remove the microSD card. 3. Remove the SIM card tray. 4. Remove the base cover. 5. Remove the solid-state drive. 6. Remove the WWAN card.
  • Page 48 NOTE: Replacement system boards are pre-assembled with heat sink and fan. Do not remove the heat sink and fan from system board. The system board can be replaced together with the heat sink and fan attached. Steps 1. Remove the single (M1.6x3.5) screw that secures the display-cable bracket to the system board. 2.

  • Page 49: 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 image indicates the location of the system board and provides a visual representation of the installation procedure. Removing and installing components...
  • Page 50 Steps 1. Align and place the system board on the palm-rest and keyboard assembly. 2. Replace the ten (M1.6x3.5) screws to secure the system board to the palm-rest and keyboard assembly . 3. Connect the I/O daughter board data cable. 4.

  • Page 51: Display Assembly

    Display assembly Removing the display assembly Prerequisites 1. Follow the procedure in before working inside your computer. 2. Remove the microSD card. 3. Remove the SIM card tray. 4. Remove the base cover. 5. 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 52 Removing and installing components...
  • Page 53 Steps 1. Remove the single (M1.6x3.5) screw that secures the display-cable bracket and lift the display-cable bracket. 2. Using the pull tab, disconnect the display cable from the system board and peel back the camera cable from the system board. NOTE: Users must disconnect the display cable from the system board by pulling the pull tab in a direct upward motion to prevent damage to the connector's pins.

  • Page 54: Installing The Display Assembly

    CAUTION: This latch is fragile and requires care when flipping it up to unlock the camera cable. 3. Remove the three (M2.5x5) screws from the left hinge and fold back the left hinge. NOTE: Press the edges of the laptop near the hinges, and fold back the hinges in the upward direction away from the laptop.
  • Page 55 Removing and installing components...

  • Page 56: Keyboard Assembly

    Steps 1. Align and place the system chassis under the hinges of the display assembly. 2. Install the six (M2.5x5) screws that secure the display hinges to the laptop. 3. Connect the display cable to the system board. Connect and adhere the camera cable to the system board. 4.
  • Page 57 3. Remove the SIM card tray. 4. Remove the base cover. 5. Remove the solid-state drive. 6. Remove the WWAN card. 7. Remove the speakers. 8. Remove the battery. 9. Remove the display assembly. 10. Remove the system board. 11. Remove the I/O daughter board.
  • Page 58 Steps 1. Peel and remove the mylar adhesive sheet from the keyboard. 2. Disconnect the backlight cable and the keyboard cable from the connectors on the touchpad. 3. Peel and remove the touchpad FFC from the keyboard assembly. Removing and installing components...

  • Page 59: Installing The Keyboard

    4. Remove the four (M1.6x2) and thirty-six (M1.6x1.5) screws that secures the keyboard to the palmrest. 5. Lift the keyboard from the palmrest. Installing the keyboard 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 keyboard and provides a visual representation of the installation procedure.
  • Page 60 Steps 1. Align and place the keyboard on the palmrest. 2. Install the four (M1.6x2) and thirty-six (M1.6x1.5) screws to secure the keyboard. 3. Adhere the touchpad FFC to the keyboard. Removing and installing components...

  • Page 61: Palmrest Assembly

    4. Connect the keyboard cable and backlight cable to the connectors on the touchpad. 5. Install the mylar adhesive sheet over the keyboard. Next steps 1. Install the I/O daughter board. 2. Install the system board. 3. Install the display assembly.
  • Page 62 Steps After performing the preceding steps, you are left with the palmrest assembly. Next steps 1. Install the keyboard. 2. Install the power button. 3. Install the I/O daughter board 4. Install the system board. 5. Install the display assembly. 6.

  • Page 63: Chapter 3: Software

    Drivers and downloads • Operating system 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. Operating system Your Dell Latitude 9520 supports the following operating systems: ●...

  • Page 64: Chapter 4: System Setup

    Boot menu Press <F12> when the Dell logo appears to initiate a one-time boot menu with a list of the valid boot devices for the system. Diagnostics and BIOS Setup options are also included in this menu. The devices that are listed on the boot menu depend on the bootable devices in the system.

  • Page 65: Entering Bios Setup Program

    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 66 ● Ownership Tag ● Signed Firmware Update - This helps to verify that only Dell Signed and released BIOS can be installed on the computer. Battery The Battery field provides battery and adapter related information: ●...

  • Page 67: Boot Configuration

    Table 4. BIOS Overview Page (continued) Options Description Memory The Memory field provides information related to the memory on the computer: ● Memory Installed - This field gives the amount of memory installed on the computer. ● Memory Available - This field gives the amount of memory available for use on the computer.

  • Page 68: Integrated Devices

    Table 5. Boot Configuration: (continued) Options Description Secure Digital(SD) Card Boot This section contains a toggle switch that allows the user to enable or disable the option to allow the computer to boot from an SD Card. Secure Boot Enable Secure Boot This section contains a toggle switch that allows the user to enable or disable Secure Boot.

  • Page 69: Storage

    (Disabled by default). Type-C Dock Override This section contains a toggle switch to enable or disable the option to use connected Type-C Dell Dock when keeping external USB ports disabled(Disabled by default). Video This section contains a toggle switch to enable or disable using Video on Dell external ports (Disabled by default).

  • Page 70: Display

    Table 7. Storage Options Description SATA Operation SATA Operation This section allows the user to select the operating mode of the integrated SATA hard drive controller. The following options are available: ● Disabled - SATA controllers are disabled. ● AHCI - SATA is configured in AHCI mode. ●...

  • Page 71: Connection

    Table 8. Display (continued) Options Description Full Screen Logo Full Screen Logo This section contains a toggle switch which allows the user to enable/disable the option to view a full screen logo (disabled by default). Connection This section provides connection details and settings. Table 9.
  • Page 72 This section contains a toggle switch to allow the user to enable or disable the option to wake on USB-C Dock. This feature allows the system to use a Dell USB-C Dock to wake the system from standby mode (ON by default).

  • Page 73: Security

    Table 10. Power (continued) Options Description NOTE: This feature only works if the power adapter is connected to the system. Block Sleep Block Sleep This section contains a toggle switch to allow the user to enable or disable the system from entering Sleep(S3) mode in the operating system (OFF by default).
  • Page 74 Table 11. Security (continued) Options Description PPI Bypass for Clear Commands This section contains a toggle switch which controls the TPM Physical Presence Interface(PPI). When enabled, this setting will allow the OS to skip BIOS PPI user prompts when issuing the clear command (OFF by default).

  • Page 75: Passwords

    Table 11. Security (continued) Options Description ● Always Except Internal HDD&PXE SafeShutter SafeShutter This section allows the user to choose between dynamic and manual shutter control: ● Dynamic Shutter - Camera shutter will automatically open when user grants application permission and close when permission ends.

  • Page 76: Update Recovery

    OS recovery if the main operating system fails to boot with a set number of failures (ON by default). Dell Auto OS Recovery Threshold Dell Auto OS Recovery Threshold This field allows the user to select the number of failed boot attempts by the system before SupportAssist OS Recovery is triggered.

  • Page 77: System Management

    Table 13. Update Recovery (continued) Options Description ● Off ● 1 ● 2 (selected by default) ● 3 System Management This section provides System Management settings. Table 14. System Management Options Description Service Tag Service Tag This field provides the unique Service Tag of the computer. Asset Tag Asset Tag This field provides the asset tag which is a unique and up...

  • Page 78: Keyboard

    Table 14. System Management (continued) Options Description MEBx Hotkey This field contains a toggle switch which allows the user to enable or disable Ctrl-P hotkey to access MEBx. USB Provision This field contains a toggle switch which allows the user to enable or disable Intel AMT from provisioning using local files via USB storage device (OFF by default).

  • Page 79: Pre-Boot Behavior

    Table 15. Keyboard (continued) Options Description ● 5 minutes ● 15 minutes ● Never Device Configuration Hotkey Access Device Configuration Hotkey Access This setting controls whether the user can access device configuration screens via hotkeys during system startup. The options here are as follows: ●...

  • Page 80: Virtualization

    Table 16. Pre-boot Behavior (continued) Options Description Extend BIOS POST Time This field allows the user to configure the BIOS POST load time. The options are as follows: ● 0 seconds (selected by default) ● 5 seconds ● 10 seconds MAC Address Pass-Through MAC Address Pass-Through This field allows the user to configure the MAC address pass-...

  • Page 81: System Logs

    Table 18. Performance (continued) Options Description ● All Cores (selected by default) ● 1 ● 2 ● 3 Intel SpeedStep Enable Intel SpeedStep Technology This field contains a toggle switch to enable or disable Intel SpeedStep Technology which allows the computer to dynamically adjust processor voltage and core frequency, decreasing average power consumption and heat production (enabled by default).

  • Page 82: 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 83: 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 84: System And Setup Password

    System and setup password Table 20. System and setup password Password type Description System password Password that you must enter to log on to your system. Setup password Password that you must enter to access and make changes to the BIOS settings of your computer. You can create a system password and a setup password to secure your computer.
  • Page 85 The System Security screen is displayed. 2. In the System Security screen, verify that Password Status is Unlocked. 3. Select System Password, alter or delete the existing system password and press Enter or Tab. 4. Select Setup Password, alter or delete the existing setup password and press Enter or Tab. NOTE: If you change the System and/or Setup password, re enter the new password when prompted.

  • Page 86: 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 87: 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 88 Table 21. Disgnostic LED states (continued) Amber LED state White LED state System state Notes System board failure (included Flash latest BIOS version BIOS corruption or ROM If problem persists, replace error) the system board No memory/ RAM detected Confirm that the memory module is installed properly If problem persists, replace the system board...

  • Page 89: 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 90 Then, shut down the computer, reinstall the hard drive, and restart the computer. If the problem persists, try another drive. Run the Hard Disk Drive tests in Dell Diagnostics. INSERT BOOTABLE MEDIA The operating system is trying to boot to non-bootable media, such as an optical drive.
  • Page 91 The operating system cannot find a specific track on the hard drive. SHUTDOWN FAILURE A chip on the system board may be malfunctioning. Run the System Set tests in Dell Diagnostics. If the message reappears, Contact Dell. TIME-OF-DAY CLOCK LOST POWER System configuration settings are corrupted. Connect your computer to an electrical outlet to charge the battery.

  • Page 92: System Error Messages

    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 93: Wi-Fi Power Cycle

    Wi-Fi power cycle About this task If your computer is unable to access the internet due to Wi-Fi connectivity issues, a Wi-Fi power cycle procedure must be performed. The following procedure provides the instructions on how to conduct a WiFi power cycle: NOTE: Some ISPs (Internet Service Providers) provide a modem/router combo device.

  • Page 94: 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 24. Self-help resources Self-help resources Resource location Information about Dell products and services www.dell.com My Dell app...

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