Dell Latitude 7424 Rugged Extreme Service Manual

Dell Latitude 7424 Rugged Extreme Manual

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  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 1
    Dell Latitude 7424 Rugged Extreme Service Manual Regulatory Model: P86G Regulatory Type: P86G001
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    data and tells you how to avoid the problem. WARNING: A WARNING indicates a potential for property damage, personal injury, or death. © 2018 2019 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its subsidiaries. Other trademarks may
  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 3
    your computer...7 Safety instructions...7 Safety precautions...7 Electrostatic discharge-ESD protection...8 ESD field service kit ...8 Transporting ...16 90W...17 130W...18 LED and Cable...19 Battery...20 Battery Specifications...20 Processors...20 Skylake processor...21 Kaby Lake - 7th and 8th
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    memory ...48 Display...48 Troubleshooting Touchpad...52 Troubleshooting Your Pen...52 Realtek HD audio drivers...52 Camera features...53 Hard drive options...55 Dell Command Configure...61 Intel HD Graphics drivers...64 3 Removing and installing components 65 Safety instructions...65 Before working
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    SSD Rail...102 Removing the Primary SSD rail...102 Installing the Primary SSD rail...102 Docking Port Assembly...103 Removing the Docking port assembly...103 Installing the Docking Port Assembly...105 Heatsink Assembly...106 Removing the Heatsink assembly...106 Installing the Heatsink assembly
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    cycle...168 BIOS recovery...168 BIOS recovery using hard drive...168 BIOS recovery using USB key...169 Self-Heal...169 Course Introduction...169 Self-Heal Instruction...170 Supported Latitude Models...170 5 Getting help...171 Contacting Dell...171 6 Contents
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    only perform troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions that came
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    obvious, such as intermittent problems or a shortened product Dell products, the sensitivity to static damage is now higher than in previous Dell of damage to recognize and troubleshoot is the intermittent (also called is known as bonding. Use only Field Service kits with a wrist strap, mat, and
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    service technicians use the traditional wired ESD grounding wrist strap and protective anti-static mat at all times when servicing Dell stable base, and point your toes out. 2. Tighten stomach muscles. Abdominal muscles support your spine when you lift, offsetting the force of the load. 3. Lift with
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    off your computer. 3. If the computer is connected to a docking device (docked), undock it. 4. Disconnect all network cables from the computer only the battery designed for this particular Dell computer. Do not use batteries designed for other Dell computers. 1. Connect any external devices, such
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    • UEFI BIOS • Systems management - From on-premises to the cloud • Trusted Platform Module • Fingerprint Reader • USB features • USB Powershare • USB Type-C • Ethernet • HDMI 2.0 • Software and Troubleshooting Technology and components 11
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    lid at an convenient viewing angle. NOTE: Laptops are designed to allow LCD lid movement to a maximum of 180°, however lid should not be opened more than 140°, if the rear I/O ports are in use or when docked. Stealth mode Latitude rugged products come equipped with a stealth mode feature. Stealth
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    ) 1. Power off the computer. 2. Power on the computer and at the Dell logo, tap the F2 key repeatedly to bring up the System Setup menu. 6. Click Apply changes and click Exit. Using the backlit keyboard The Latitude rugged series comes equipped with a backlit keyboard that can be customized. The
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    the System Setup (BIOS). Customizing the backlit keyboard in System Setup (BIOS) 1. Turn off the computer. 2. Turn on the computer and when the Dell logo appears, press the F2 key repeatedly to bring up the System Setup menu. 3. Under System Configuration menu, select RGB Keyboard Backlight. You can
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    Secondary behavior is F1-F12 key. • Fn Lock only switches primary and secondary behavior on F1-F12. • F7 is stealth -unique for rugged and semi rugged platforms. It turns off LCD, all wireless, all alerts, indicator lights, sound, fan, etc Table 1. Keyboard shortcuts Hot keys Function Description
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    . How to check the status of AC Adapter in BIOS? 1. Restart / Power on your computer. 2. At the first text on the screen or when the Dell logo appears, tap until the message Entering Setup appears. 3. Under General > Battery Information, you will see AC Adapter listed. 4. The status shows the
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    90W Technology and components 17
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    130W 18 Technology and components
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    LED and Cable Technology and components 19
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    Latitude Rugged use the following 3-cell battery options: • 3-cell 51 Whr (ExpressCharge) • 3-cell 51 Whr (Long-Life Cycle, includes 3 year limited warranty) The battery is located on the bottom of the system and is hot swap capable. This design is unlike any other Dell predecessors laptops, where
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    suffix. Table 3. Performance features Feature Feature description SKL-Y General Features Cores CPU/Memory/Graphic Overclocking Dual Core No Intel Extreme Tuning No Utility Intel Hyper-Threading Yes Technology Intel Smart Cache Yes Technology with last level cache (LLC) sharing between
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    Built-In Visuals Yes OpenCL 2.0 Yes 14nm process Yes 16PCIe Graphic lanes No (configurable as 1x16 or 2x8 or 1x8+2x4) PCIe Gen3.0 support No Switchable graphics No (muxless solution) Memory Type DDR4 Connector / Memory Down Memory down Speed 2133MT/s for DDR4 Max Capacity 32 GB
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    Technology 11.6 • Intel Rapid Storage Technology Table 4. Kaby lake specifications Processor number Base Clock Speed Intel Dual Core i3-7130U Intel Quad 620 Intel UHD graphics 620 Intel UHD graphics 620 Memory features This laptop supports 4-32 GB DDR4 SDRAM memory, up to 2400 MHz on KabyLake
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    all memory fails, the LCD does not turn on. Troubleshoot for possible memory failure by trying known good memory modules Graphics options Graphics Specifications Table 5. Graphics specifications Controller Type CPU Dependency Discrete Capacity External display support Shared system HDMI 2.0
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    Numbers of Displays Supported • System Ports: 3 displays max with LCD plus 2 displays max on each output (HDMI, USB Type-C) • Docked: 3 displays max (combo of LCD, VGA, DP, HDMI) Intel UHD Graphics 620 Table 7. Intel UHD Graphics 620 (8th Generation Intel Core) specification Integrated Graphics
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    /15 inches) • Docked - 3 displays max (combo of LCD, VGA, DP, HDMI) Intel HD Graphics 520 Table 8. Intel HD Graphics 520 Graphics specification Integrated Graphics Controller Bus Type Memory Interface Graphics Level Estimated Maximum Power Consumption (TDP) Display Support Intel UHD Graphics 620
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    specified at 15 W TDP and is therefore suited for compact laptops and Ultrabooks. Key Specifications The following table contains the key specifications of the Intel HD Graphics 520: Table 9. Key specifications Specification Codename Architecture Pipelines Core Speed Memory Type Memory Bus Width
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    Specification Features DirectX Max. Displays Supported DP 1.2/eDP 1.3 max. resolution HDMI max. resolution Intel HD/ compact laptops and Ultrabooks. Key Specifications The following table contains the key specifications of the Intel HD Graphics 620: Table 10. Key specifications Specification
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    at 4096 x 2160 @60 Hz AMD Radeon RX 540 Graphics Table 12. Radeon RX 540 graphics specifications Graphics Controller Graphics memory Bus type Memory Interface Clock Speeds Estimated Maximum Power Display Support Maximum Color Depth AMD Radeon RX 540 Graphics 4 GB GDDR5 PCIe x16 Gen3 128 bit Up to
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    Refresh Rate Operating Systems Graphics/ Video API Support Supported Resolutions and Max Refresh Rates (Hz) Numbers of Display Support AMD Radeon RX 540 Graphics Up to 395 cover for electronic displays in: • Smartphones • Laptop and tablet computer screens • Wearable devices • Touchscreen
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    28.5 GPa 534 kgf/mm2 596 kgf/mm2 649 kgf/mm2 0.66 MPa m0.5 75.8 x 10-7 /°C Chemical Strengthening Capability of >950 MPa CS, at 40 µm Specifications subject to change Optical Table 15. Optical Refractive Index (590 nm) Core glass** Compression layer Photo-elastic constant 1.50 1.51 31.9 nm/cm/MPa
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    use the pen the same way you use a mouse or touch pad with a laptop computer. Holding the pen near the display makes a small cursor appear. Moving the application window. Tablet PC Input Panel When an application does not directly support pen input, you can use the Tablet PC Input Panel to enter
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    You can move the Input Panel tab by dragging it up or down along the edge of the screen. Then, when you tap it, the Input Panel opens at the same horizontal location on the screen that the tab appears. Pen Flicks Pen flicks enable you to use the pen to perform actions that normally require a
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    of drive and disc manufacturers. Additionally, DVD+RW supports a method of writing called "lossless linking", which +/-RW drive DVDRW Drive There is a new drive offering from Dell for these systems that allows users to read and write DVDs specifications for the drive: 34 Technology and components
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    Specifications DVDRW Drive Specs / 50 GB (double layer) NOTE: All Dell Blu-Ray drives support dual layer (50 GB) discs. However, the Dell™ Blu-ray Disc system cannot be purchased without these requirements. Table 20. System Requirements Requirement Processor Device/Specification Desktops Notebooks
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    Device/Specification Desktops Intel Core 2 Duo T7100 (1.8 GHz) or better 1 GB DDR2 SDRAM Philips® half-height drive Notebooks Intel 2007FPW 24-inch high-definition flat panel (HDFP) 2407FPW Must have HDCP** support with digital connectors WSXGA+ (1680x1050) WUXGA (1920x1200) There are a few
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    Interface. The UEFI specification defines a new be used to program the UEFI. Dell UEFI BIOS implementation will supersede the manually through the 'Boot Sequence' settings. • How to change Service Tag/Owner Tag? When the service technician replaces a system board, he's required to set the service
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    Troubleshooting section. Systems management - From on-premises to the cloud Dell Client Command Suite - a free toolkit available for download, for all OptiPlex and Latitude PCs at https://dell specific drivers that have been extracted and reduced to an OS-consumable state. Dell IPv6 support, graceful
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    driver for the fingerprint reader is a software package from Dell ControlVault, that provides functionality for the device. Dell provides all support for the software, same as on the Latitude systems. Dell enroll fingerprints. An easy-to-follow wizard guides the user through the enrollment process.
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    devices • New power management features • Full-duplex data transfers and support for new transfer types • Backward USB 2.0 compatibility • New there are 3 speed modes defined by the latest USB 3.0/USB 3.1 Gen 1 specification. They are Super-Speed, Hi-Speed and FullSpeed. The new SuperSpeed mode has
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    Portable USB 3.0/USB 3.1 Gen 1 Hard Drives • USB 3.0/USB 3.1 Gen 1 Drive Docks & Adapters • USB 3.0/USB 3.1 Gen 1 Flash Drives & Readers • USB 3.0/USB 3.1 every device should be able to use. USB Type-C ports can support a variety of different protocols using "alternate modes," which allows you to
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    charge your phone, but that's about it. A laptop might require up to 60 watts, for example. The USB Power Delivery specification ups this power delivery to 100 watts. It's connect to the Intel Skylake chipsets. The Intel WGI219LM supports the latest Ethernet security standard known as MACsec3 (IEEE
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    .1Q & 802.1p • Receive Side Scaling (RSS) • Two Queues (Tx & Rx) Power • Ultra Low Power at cable disconnect (
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    , and confusion of multiple cables currently used in A/V systems • HDMI supports communication between the video source (such as a DVD player) and the DTV, enabling new functionality Software and Troubleshooting Chipsets All laptops or notebook communicate with the CPU through the chipset. This
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    Identifying chipset in Device Manager on Windows 7 1. Click Start → Control Panel → Device Manager. 2. Expand System Devices and search for the chipset. Intel chipset drivers Verify if the Intel chipset drivers are already installed in the laptop. Technology and components 45
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    After installation Downloading the chipset driver 1. Turn on the computer. 2. Go to Dell.com/support. 3. Click Product Support, enter the Service Tag of your computer, and then click Submit. NOTE: If you do not have the Service Tag, use the autodetect feature or manually browse for your computer
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    Verifying the processor usage in Task Manager 1. Press and hold the taskbar. 2. Select Start Task Manager. The Windows Task Manager window is displayed. 3. Click the Performance tab in the Windows Task Manager window. The processor performance details are displayed. Verifying the processor usage in
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    on or restart your system. 2. Perform one of the following actions after the Dell logo is displayed: • With keyboard press F12. • The system displays one displayed, continue to wait until you see the desktop. Turn off the laptop and try again. NOTE: ePSA can alternatively be launched by pressing and
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    1. Turn on the laptop. 2. Go to Dell.com/support. 3. Click Product Support, enter the Service Tag of your laptop, and then click Submit. NOTE: If you do not have the Service Tag, use the auto detect feature or manually browse for your laptop model. 4. Click Drivers and Downloads. 5. Select the
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    also use the Brightness level slider to adjust the brightness manually. Changing the screen resolution 1. Press and hold the tap Apply. Connecting to external display devices Follow these steps to connect your laptop to an external display device: 1. Ensure that the external display device is
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    Clear the box to disable the touch screen. Touchscreen Troubleshooting If the touchscreen is not able to access items on the screen to correct the linearity problems. Touchscreen Sensitivity The touch screen may , all Windows 8 touch devices require supporting a minimum of five simultaneous touches.
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    problem with a touch pad demonstrating erratic pointer movement: 1. Get the latest driver from Dell support site - Most problems can be corrected with a simple driver palm rest. Troubleshooting Your Pen The stylus is the first component to be investigated in the event of a suspected problem with the
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    BIOS and driver from dell.com/support 3. Some problems can be caused by issues with the DirectX® API. Try downloading the latest version from Microsoft. 4. See if the problem occurs on both internal and external speakers. If isolated to only one of the two, follow the troubleshooting mentioned above
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    camera To start the camera, open an application that uses the camera. For instance, if you tap the Skype software that is shipped with the laptop, the camera turns on. Similarly, if you are chatting on the internet and the application requests to access the webcam, the webcam turns on. Starting
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    3. If the Camera App is not available in the apps list, search for it. Hard drive options This laptop supports M.2 SATA drives. Identifying the hard drive in Windows 10 1. Tap or click All Settings on the Windows 10 Charms Bar. 2. Tap or click Control Panel,
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    drive is listed under Disk drives. 2. Expand Disk drives. Identifying the hard drive in the BIOS 1. Turn on or restart your system. 2. When the Dell logo appears, perform the following action to enter the BIOS setup program: • With keyboard - Tap F2 until the Entering BIOS setup message appears. To
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    battery life with Link Power Management (LPM), which can reduce the power consumption of the chipset and Serial ATA (SATA) hard drive. Installation Instructions The Intel Rapid Storage Technology software can be install through the Resource DVD provided with the system. When you first launch the
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    Create a RAID Array 1. Double-click "Intel Rapid Storage Technology" icon, then below main screen appears. 2. Click the "Create" icon to create a RAID array. Here we take RAID 1 for example. 3. In "Select Volume Type", click "Real-time data protection (RAID 1)". Click "Next". 4. In "Configure
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    5. In "Confirm Volume Creation", you may review the selected configuration. Then click "Create Volume". 6. The volume is created successfully. But you still need to partition your new volume by using Windows Desk
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    8. In Windows Desk Management, you need to initialize a disk before Logical Disk Management can access it. Click "OK". 9. Right-click on Disk 0, click "New Simple Volume". 10. Then follow the instructions on the New Simple Volume Wizard. 60 Technology and components
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    Hat Enterprise Linux environments. What's new with Dell Command | Configure The new features for the Dell Command | Configure includes: • Dell Client Configuration Toolkit (CCTK) is re-branded as Dell Command | Configure (DCC). • New User Interface. • Support for Red Hat Enterprise Linux 7.0 Client
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    • --keyboardbacklightonacpower • --rearusb • --sideusb • --unmanagednic Platforms Supported These are the business clients platforms supported: • Latitude™ • OptiPlex™ • Dell Precision Workstation Mobile • Dell Precision Workstation NOTE: Dell Command | Configure will not be pre-loaded for the
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    User's Guide Online Provides access to the Command | Configure online documentation. Launching The Command | Configure GUI NOTE: The Command | Configure GUI is supported only on systems running the Microsoft® Windows operating system. To launch the GUI, click Start > All Programs > Dell > Command
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    Command | Configure Installation Guide available at https://Dell.com/Command . 2. Boot the system that you want to configure from the CD. 3. Navigate to the Command Configure\x86 or Command Configure\x86_64 directory. 4. Run the Command | Configure commands. Intel HD Graphics drivers Verify if the
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    troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions docking device (docked),
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    in an electrical accident. Standby Power Dell products with standby power must be completely potential. This is done through the use of a Field Service ESD kit. When connecting a bonding wire, always ensure that may not be obvious, such as intermittent problems or a shortened product life span. As
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    The more difficult type of damage to recognize and troubleshoot is the intermittent (also called latent or "walking -static container or packaging. The ESD Field Service Kit The unmonitored Field Service kit is the most commonly used. Each Field Service kit includes three main components: anti-static
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    physical connection of the wrist strap and bonding wire between your skin, the ESD mat, and the hardware is known as bonding. Use only Field Service kits with a wrist strap, mat, and bonding wire. Never use wireless wrist straps. Always be aware that the internal wires of a wrist strap are prone
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    ESD strap are prone to damage over time. When using an unmonitored kit, it is best practice to regularly test the strap prior to each service call, and at a minimum, test once per week. A wrist strap tester is the best method for doing this test. If you do not have your
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    part (plastic heat sink shroud) Acceptable - DIMM separated from the insulator part Consider the Working Environment Before deploying the ESD Field Service kit, assess the situation at the customer location. For example, deploying the kit for a server environment is different than for a desktop
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    service engineers use the traditional wired ESD grounding wrist strap and protective anti-static mat at all times when servicing Dell your knees. Do not bend at the waist. 3. Tighten stomach muscles. Abdominal muscles support your spine when you lift, offsetting the force of the load. 4. Lift with
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    only the battery designed for this particular Dell computer. Do not use batteries designed for other Dell computers. 1. Connect any external devices, such • A pair of tweezers NOTE: The #0 screw driver is for screws 0-1 and the #1 screw driver is for screws 2-4. Stylus Removing the stylus Withdraw
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    Installing the stylus Insert the stylus in the slot. SIM card Removing the SIM card 1. Remove the single 'M2*3' screw [1] and separate the SIM cover lock from the SIM card slot [2]. 2. Withdraw and remove the SIM card out from the slot [3] on the system board. Removing and installing components
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    3. Close the right I/O door and slide the latch in lock position. 4. Follow the procedure in After working inside your computer. Installing the SIM card 1. Follow the procedure in Before working inside your computer. 2. Slide the latch [1] to unlock position and open the right I/O door [2]. 74
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    3. Insert the SIM card into the slot [1] on the system board and place the SIM cover lock on the SIM card slot [2]. 4. Install and tighten the single 'M2*3' screw [3], securing the SIM cover lock to the chassis. Memory card Installing the memory card 1. Open the right I/O door. 2. Insert the memory
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    Removing the memory card 1. Remove the memory card from the slot on the system board. 2. Close the right I/O door.. Handle Removing the Handle 1. Follow the procedure in Before working inside your computer. 2. Remove the four M3*6 screws [1] that secures the handle and the metal brackets to the
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    3. Separate the metal bracket [2] and handle from the computer [3]. Installing the Handle 1. Install the handle [1] on the computer and place the metal brackets [2] on the handle. 2. Tighten the four M3*6 screws [3] securing the handle to the computer. 3. Follow the procedure in After working
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    Latch Doors Removing the latch doors 1. Follow the procedure in Before working inside your computer. 2. Open the I/O door. 3. Remove the screws [1] securing door hinges to the computer and lift the I/O door [2] away from the computer. Installing the latch doors 1. Install the door on the computer
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    your computer. NOTE: Depending on its location each door may have one, two, or three screws. Battery Removing the Battery 1. NOTE: This laptop can accommodate two hot-swap capable batteries(primary and optional), both the batteries follows the same installation and removal procedure. Follow the
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    3. Follow the procedure in After working inside your computer. NOTE: This laptop can accommodate two hot-swap capable batteries(primary and optional), both the batteries follows the same installation and removal procedure. Secondary SSD carrier Removing the
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    Installing the Secondary SSD carrier 1. Slide the secondary SSD carrier [1] in to the slot on the computer. 2. Push the carrier in the slot until blue tab clicks and close the right I/O door [2]. 3. Slide the latch in locking position to lock the door. Removing and installing components 81
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    4. Follow the procedure in After working inside your computer. Primary SSD carrier Removing the Primary SSD carrier 1. Follow the procedure in Before working inside your computer. CAUTION: Attempt to retrieve the primary SSD carrier from an operational computer can cause operating system crash and
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    Installing the Primary SSD carrier 1. Insert the primary SSD carrier [1] in to the computer. 2. Push the carrier into the slot until the blue tab clicks and close the right I/O door [2]. 3. Install the: Batteries 4. Follow the procedure in After working inside your computer. SSD Removing the SSD
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    Installing the SSD in carrier 1. Connect the SSD to the interposer [1], flip over [2]. 2. Install the SSD with interposer on the SSD carrier tray preassembled with new thermal pad [3]. 3. Install the cover [1] on the SSD carrier and install the single 'M2*5' screw [2]. 4. Flip over the SSD carrier
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    4. NOTE: Depending on the configuration ordered the system may have a Hard Drive or a Solid State Drive in the carrier. The installation and removal procedure remains same. Remove the six screws [1] and lift the cover from the top of the carrier [2]. 5. Remove the single screw [3] and slid the
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    3. Slide the HDD carrier in the slot [1] and close the IO door [2] Bottom Chassis Cover Removing the Bottom Chassis Cover 1. Follow the procedure in Before working inside your computer. 2. Remove the: a) Batteries. 3. Remove the 21 'M2.5*5' screws on the bottom chassis cover [1] and remove the
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    Installing the Bottom Chassis Cover 1. Install the bottom chassis cover over the bottom base [1] of the computer. 2. Install the 21 'M2.5*5' screws [2] on the bottom chassis cover. 3. Install the: Removing and installing components 87
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    a) Batteries 4. Follow the procedure in After working inside your computer. Keyboard Removing the Keyboard 1. Follow the procedure in Before working inside your computer. 2. Remove the: Batteries. 3. Remove the six 'M2.5*5' screws on the keyboard [1] and pry at the bottom edge of the keyboard [2].
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    6. Peel-off the tape on the keyboard and back-light FPC [1] and disconnect it from the system board [2]. NOTE: Tweezers might be required to access the keyboard and back-light FPC connectors on the system board. 7. Separate the keyboard from the system [3]. Installing the Keyboard 1. Install the
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    3. Install the keyboard cover [1] and tighten the four 'M2*3' screws [2] to secure it to the chassis. 4. Flip the keyboard [3] over on the chassis [3]. 5. Slide the keyboard towards LCD [1] to align it to screw holes [2]. 90 Removing and installing components
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    6. Install the six 'M2.5*5' screws on the keyboard to secure it to the computer. 7. Follow the procedure in After working inside your computer. WWAN card Removing the WWAN card 1. Follow the procedure in Before working inside your computer. 2. Remove the: a) Batteries b) Bottom chassis cover 3.
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    4. Disconnect the antennae cables [3] and remove the WWAN card [4] out of the M.2 slot on the system board. Installing the WWAN card 1. Install the WWAN card in the M.2 slot [1] on the system board and connect the antennae cables [2]. 2. Secure the WWAN card using the metal bracket [3] and tighten
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    a) Bottom chassis cover b) Batteries 4. Follow the procedure in After working inside your computer. WLAN card Removing the WLAN card 1. Follow the procedure in Before working inside your computer. 2. Remove the: a) Batteries b) Bottom chassis cover 3. Remove the single 'M2*3' screw [1] and remove
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    3. Install the: a) Batteries b) Bottom chassis cover 4. Follow the procedure in After working inside your computer. Global Positioning System (GPS) Removing the GPS module 1. Follow the procedure in Before working inside your computer. 2. Remove the: a) Batteries b) Bottom chassis cover 3. Peel off
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    Installing the GPS module 1. Align and place the GPS module on the system board and tighten the three 'M2.5*5' screws on GPS module [2]. 2. Connect the antenna cable [3], GPS FPC(system board side first) [4] and secure it using a piece of tape [5]. Removing and installing components 95
  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 96
    3. Install the: a) Bottom Chassis Cover b) Batteries 4. Follow the procedure in After working inside your computer. Memory modules Removing the Memory 1. Follow the procedure in Before working inside your computer. 2. Remove the: a) Batteries b) Bottom chassis cover 3. Pull the clips securing the
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    2. Install the: a) Batteries b) Bottom Chassis Cover 3. Follow the procedure in After working inside your computer. Coin-cell battery Removing the Coin cell 1. Follow the procedure in Before working inside your computer. 2. Remove the: a) Bottom chassis cover b) Batteries 3. NOTE: Removing or
  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 98
    Installing the Coin cell 1. Install the coin cell [1] and connect the coin cell connector to the system board [2]. 2. Install the: a) Bottom chassis cover b) Batteries 3. Follow the procedure in After working inside your computer. 98 Removing and installing components
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    [1] and remove the four 'M2*3' screws on the SSD cage. 4. Remove the four 'M2.5*5' screws on the fan and single 'M2*3' screw from the dock pedestal [2]. 5. Disconnect the fan cable [3] and lift the PCIe heatsink fan assembly [4] from the computer. 6. Remove the four M2*3 screws [1] to separate the
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    Installing the PCIe heatsink fan assembly 1. Replace the fan to th heatsink assembly [1] and secure it using four M2*3 screws [2] . 100 Removing and installing components
  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 101
    rubber gourmet [3] and four 'M2.5*5' screws on the fan case. 4. Install the four 'M2*3' screws on the SSD cage and single 'M2*3' screw on the dock pedestal [4]. 5. Install the: a) Bottom chassis cover Removing and installing components 101
  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 102
    b) Batteries 6. Follow the procedure in After working inside your computer. Primary SSD Rail Removing the Primary SSD rail 1. Follow the procedure in Before working inside your computer. 2. Remove the: a) Batteries b) Primary SSD c) Bottom chassis cover d) PCIe heatsink assembly 3. Peel off the
  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 103
    fan assembly b) Bottom chassis cover c) Primary SSD d) Batteries 4. Follow the procedure in After working inside your computer. Docking Port Assembly Removing the Docking port assembly 1. Follow the procedure in Before working inside your computer. 2. Remove the: a) Batteries b) Bottom chassis cover
  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 104
    4. Disconnect the antennae cables from RF passthrough connectors and unroute the antennae cables from the routing channels on the dock assembly. 5. Remove the four 'M2.5*5' screws [1] and separate the docking board assembly from the chassis [2]. 104 Removing and installing components
  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 105
    Installing the Docking Port Assembly 1. Install the docking port assembly [1] and install the four 'M2.5*5' screws [2] securing it to the system board. 2. Connect the dock FPC [1] and secure it using a piece of tape [2]. Removing and installing components 105
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    3. Secure the antennae cables along the routing channels and connect the antennae cables on RF passthrough connectors . 4. Install the: a) PCIe Heatsink assembly b) Batteries c) Bottom chassis cover 5. Follow the procedure in After working inside your computer. Heatsink Assembly Removing the
  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 107
    e) PCIe Heatsink fan assembly f) Docking port assembly 3. NOTE: Depending on the order configuration details the system may have either of the heatsink assembly. assembly Unroute the antennae cables from the
  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 108
    NOTE: Discreet and UMA bases have different types of heatsink assembly. Installing the Heatsink assembly 1. Install the heatsink assembly [1] in the computer and tighten the two 'M1.6*5' [2] screw near the CPU. 2. Install the five 'M2.5*5' screws [3] on the thermal module securing the thermal module
  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 109
    to remove/install the caps screws located in rear I/O space. 2. Remove the: a) Batteries b) WLAN card c) WWAN card d) PCIe heatsink fan assembly e) Docking port assembly f) Bottom chassis Cover 3. Open the rear I/O door [1] and remove the two 5.5 mm cap screws on the serial port [2]. Removing and
  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 110
    4. Peel off the inductive tape on the I/O board FPC connector [1] and disconnect it [2]. 5. Lift the I/O board away from the system. 110 Removing and installing components
  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 111
    board and slide the serial port through the face plate . NOTE: Screws can be tightened over the rear I/O daughterboard only after installing the Docking port assembly. 2. Connect the I/O board FPC[1] to the motherboard and then to I/O board itself [2]. Removing and installing components 111
  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 112
    3. Open the rear door [1] and tighten the two cap screws on serial port in the rear I/O space [2]. 4. Install the: a) Docking port assembly b) PCIe heatsink fan assembly c) WWAN card d) WLAN card e) Bottom chassis cover f) Batteries 5. Follow the procedure in After working inside your computer. 112
  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 113
    Hinge Covers Removing the Hinge Covers 1. Follow the procedure in Before working inside your computer. 2. Remove the: a) Batteries b) Bottom chassis cover c) Heatsink 3. Remove the two 'M2.5*5' on either sides [1] and lift to remove the brackets [2] from the computer. 4. Press the latch [1] and open
  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 114
    Installing the Hinge Covers 1. Press the latch [1] and open the LCD lid [2]. 2. Keep LCD lid open at an obtuse angle and insert the hinge covers from front until it clicks in its place. 114 Removing and installing components
  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 115
    3. Place the brackets[1] and secure it using two 'M2.5*5' on either sides [2]. 4. Install the: a) Heatsink b) Bottom chassis cover c) Batteries 5. Follow the procedure in After working inside your computer. Removing and installing components 115
  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 116
    assembly 1. Follow the procedure in Before working inside your computer. 2. Remove the: a) Batteries b) Bottom chassis cover c) PCIe heatsink assembly d) Docking port assembly e) WLAN card f) WWAN card g) GPS module h) Heatsink assembly i) Hinge covers 3. Remove the two 'M2*3' screws [1] on the
  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 117
    6. Loosen the four screws on hinges [1] and four screws behind the hinges to separate the LCD assembly from the computer [2]. Installing the Display Assembly 1. Tighten the four screws on left [1] and on the right [2] side and four screws behind the hinges. 2. Close the lid [3]. Removing and
  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 118
    and rethread the antennae cables [4]. 5. Install the: a) Hinge covers b) Heatsink c) GPS card d) WLAN card e) WWAN card f) PCIe heatsink assembly g) Docking port assembly h) Bottom chassis cover i) Batteries 6. Follow the procedure in After working inside your computer. 118 Removing and installing
  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 119
    in Before working inside your computer. 2. Remove the: a) Batteries b) Bottom chassis cover c) WLAN card d) WWAN card e) PCIe heatsink assembly f) Docking port assembly g) Heatsink h) Hinge covers i) Display assembly 3. Loosen the 12 'M2.5' screws from the back cover. 4. Remove the four 'M2
  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 120
    5. Peel off the tape on the LCD connections [1] and open the connector [2] to disconnect the EDP cable [3] from the LCD. 6. Peel off the tape on touch connector [4] and disconnect the EDP cable from the connector [5]. Installing the LCD with bezel and the display back cover assembly 1. Replace the
  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 121
    4. Align and place the bezel on the back cover [1] and secure it using the four M2.5 epoxy screws [2]. 5. Install the 12 'M2.5' screws to secure the back cover to the LCD with bezel assembly. Removing and installing components 121
  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 122
    working inside your computer. 2. Remove the: a) Batteries b) Bottom chassis cover c) Memory d) WLAN card e) WWAN card f) PCIe heatsink assembly g) Docking port assembly h) Heatsink i) Hinge covers j) Display assembly. k) LCD bezel and back cover assembly. 3. Loosen the two 'M2*3' screws [1] and
  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 123
    4. Peel off the rubber cover [1] and insulation tape [2] and disconnect the EDP cable connectors [3]. Installing the Microphone 1. Connect the EDP cable to the microphone daughterboard [1] and secure it using a piece of tape [2]. 2. Replace and stick the rubber cap [3] on the connector. Removing and
  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 124
    the two 'M2*3' screws [2]. 4. Install the: a) LCD with bezel assembly. b) Display assembly. c) Hinge covers d) Heatsink e) PCIe heatsink assembly f) Docking port assembly g) WWAN card h) WLAN card i) Bottom chassis cover j) Batteries 5. Follow the procedure in After working inside your computer. 124
  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 125
    Before working inside your computer. 2. Remove the: a) Batteries b) Bottom chassis cover c) Memory d) WLAN card e) WWAN card f) PCIe heatsink assembly g) Docking port assembly h) Heatsink i) Hinge covers j) Display assembly. k) LCD Bezel and back cover assembly. 3. Peel off the reflective tape[1] on
  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 126
    Display assembly. c) Hinge covers d) Heatsink e) PCIe heatsink assembly f) Docking port assembly g) WWAN card h) WLAN card i) Bottom chassis cover b) Bottom chassis cover c) PCIe Heatsink assembly 3. CAUTION: Use extreme caution when removing cable due to the very limited space cable could
  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 127
    4. Remove the fifteen 'M2.5*5' [1] screws securing the battery bay to chassis and lift to separate the battery bay [2] from the computer. Installing the Battery bay 1. Install the battery bay [1] on the computer and tighten the fifteen 'M2.5*5' screws [2] securing it to the chassis. Removing and
  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 128
    2. Connect the battery cables to the system board. 3. Install the: a) PCIe Heatsink assembly b) Batteries c) Bottom chassis cover 4. Follow the procedure in After working inside your computer. Left I/O board Removing the Left I/O daughterboard 1. Follow the procedure in Before working inside your
  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 129
    2. Remove the: a) Batteries b) Bottom chassis cover c) PCIe Heatsink fan assembly d) Battery bay 3. Peel off the inductive tape [1] on the left I/O daughterboard FPC connection, disconnect it from the system board [2]. 4. Pass the FPC cable through the wall bridge [3] and disconnect the speaker
  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 130
    2. Route the FPC cable through the wall bridge [1] and connect it to the system board [2]. 3. Secure the FPC connection with an insulation tape [3] and connect the speaker cable [4] on the left I/O daughterboard. 4. Install the: a) Battery bay b) PCIe Heatsink fan assembly c) Bottom chassis cover d)
  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 131
    Smart Card Removing the Smart Card Reader 1. Follow the procedure in Before working inside your computer. 2. Remove the: a) Batteries b) Bottom chassis cover c) PCIe heatsink assembly d) Battery bay 3. Remove the tape from the smart card reader connector[1] and disconnect it [2] from the USH board.
  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 132
    6. Remove the tape [1] and disconnect the Smartcard Reader FPC connector [2] from the USH board. 7. Loosen the four 'M2*3' screws [1] and remove the smart card [2] reader from the computer. 132 Removing and installing components
  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 133
    Installing the Smart Card Reader 1. Insert the smart card reader through the I/O face plate [1] and install the four 'M2*3' screws to secure it to the bottom chassis [2]. 2. Connect the Smart Card FPC on the underside of the USH board [1] and secure it using a piece of tape [2]. Removing and
  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 134
    3. Install the two 'M2*3' screws [1] and turn over the USH board to secure it to the chassis [2]. 4. Connect the smart card FPC connector [1] and securing it with a piece of tape [2]. 5. Connect the finger print reader FPC [3] and secure it using a piece of tap [4] to the USH board. 134 Removing and
  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 135
    6. Install the: a) Battery bay b) PCIe Heatsink assembly c) Bottom chassis cover d) Batteries 7. Follow the procedure in After working inside your computer. ExpressCard Reader Removing the ExpressCard Reader 1. Follow the procedure in Before working inside your computer. 2. Remove the: a) Batteries
  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 136
    5. Remove the two screws securing the faceplate and the six 'M2*5' screws securing the Smart card to the computer [1] 6. Lift and remove the express card up to remove it from the computer [2]. Installing the ExpressCard Reader 1. Align and place the Express Card reader [1] on the computer and secure
  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 137
    3. Pass the express card FPC cable through the wall bridge [1] and insert the FPC cable [2] to the system board. 4. Secure the connection using the tape on the FPC cable [3] and an extra tape over it [4]. 5. Install the: a) WWAN card b) WLAN card c) PCIe heatsink assembly d) Batteries e) Bottom
  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 138
    Speaker Removing the Speaker 1. Follow the procedure in Before working inside your computer. 2. Remove the: a) Batteries b) Bottom chassis cover c) PCIe heatsink assembly d) Handle e) Left I/O daughterboard f) Battery bay 3. Remove the two 'M2.5*7' screws [1] and remove the speaker from the computer
  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 139
    board 1. Follow the procedure in Before working inside your computer. 2. Remove the: a) Batteries b) Bottom chassis cover c) Keyboard d) PCIe heatsink assembly e) Docking port assembly f) Primary SSD g) Secondary SSD h) Heat Sink i) Memory j) WLAN card k) WWAN card l) GPS module m) Primary SSD rail
  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 140
    5. Open the rear I/O door [1] and remove the two cap screws from the serial port on the system board [2]. 6. Open the rear I/O door [1] and remove the two caps screws in the rear I/O space [2]. 140 Removing and installing components
  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 141
    7. Remove the single 'M2*3' screw [1] to unroute the DC-in cable [2] from the screw post. 8. Disconnect the DC-in connector [3] from the system board. 9. Remove the two 'M2*3' screws [1] on EDP bracket and remove the EDP bracket [2] to disconnect the EDP cable [3]. Removing and installing components
  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 142
    from the system board. 11. Peel off the tape [3] and disconnect the battery indicator LED cable [4]. 12. Peel off the tape [5] and disconnect the dock board FPC connector [6] from the system board. 13. Peel off the tape [1] to disconnect the left I/O board FPC connector [2] and pass it through the
  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 143
    16. Peel off the tape [1] and disconnect the power button FPC connector [2] from the system board. 17. Peel off the tape [3] and disconnect the USH board FPC and touch pad connectors [4] from the system board. 18. Remove the two 'M2.5*5' screws and two 'M1.6*3.0' screws [1] from the USB Type-C
  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 144
    20. Remove the nine 'M2.5*5' screws [1], three 'M2*3' screws [2] and remove the system board [3] from the computer. Installing the System board 1. Install the system board inserting the serial port on the system board through chassis [1] and install the nine 'M2.5*5' screws [2] and three 'M2*3'
  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 145
    2. NOTE: When installing the System Board, technicians must ensure that both the battery cables (1st & 2nd Battery) and FPC cables (Left I/O FPC and Express Card reader FPC) are not pinched under the System Board. Install the USB Type-C bracket [1] and secure it with two 'M2.5*5' screws and two '
  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 146
    it using a piece of tape [2]. 9. Connect the battery indicator LED cable [3] to the system board and secure it using a piece of tape [4]. 10. Connect the docking port FPC cable [5] and secure it using a piece of tape [6]. 146 Removing and installing components
  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 147
    11. Connect the EDP cable and place the EDP bracket on the connector [2]. 12. Install the two the 'M2*3' screws securing the EDP cable to the system board [3]. 13. Align and tuck the DC-In cable along the screw post [1] clearing the screw hole on the motherboard. 14. Connect the DC-In cable [2] and
  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 148
    15. Open both rear doors [1] and install the two cap screws in the rear I/O space [2]. 16. Open both rear doors [1] and install the two cap screws on serial port [2] of the system board. 148 Removing and installing components
  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 149
    a piece of tape [4]. 19. Install the: a) Rear I/O board b) Battery bay c) Primary SSD rail d) GPS module e) WWAN card f) WLAN card g) Memory h) Heatsink i) Secondary SSD j) Primary SSD k) Docking port assembly Removing and installing components 149
  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 150
    Follow the procedure in Before working inside your computer. 2. Remove the: a) Batteries b) Bottom chassis cover c) Keyboard d) PCIe heatsink assembly e) Docking port assembly f) Primary SSD g) Secondary SSD h) Heatsink assembly i) Memory j) WLAN card k) WWAN card l) GPS module m) Primary SSD rail
  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 151
    5. Remove the two 'M2*2' screws [1] and disconnect the SSD/ODD FPC assembly [2]. 6. Slide the latch [3] to unlock the right I/O door and open it [4]. 7. Remove the two 'M2*3' screws [1] and withdraw the optical drive out of the computer [2]. Removing and installing components 151
  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 152
    Installing the Optical drive 1. Insert the optical drive in the computer [1] and install the two 'M2*3' screws [2] securing the optical drive to the chassis. 2. Connect the optical drive to the ODD/SSD FPC assembly [1] and install the two 'M2*2' screws [2]. 3. Close the right I/O door [3] and slide
  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 153
    4. Align and place wall bridge[1] and install the six 'M2.5*5' screws on the wall bridge section to secure it to the chassis [2]. 5. Install retainers securing the wall bridge to the chassis. Removing and installing components 153
  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 154
    I/O board c) Battery bay d) Primary SSD rail e) GPS module f) WWAN card g) WLAN card h) Memory i) Heatsink j) Secondary SSD k) Primary SSD l) Docking port assembly m) PCIe heatsink assembly n) Keyboard o) Bottom chassis cover p) Batteries 7. Follow the procedure in After working inside your computer
  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 155
    Memory n) Coin cell o) PCIe heatsink assembly p) Primary SSD rail q) Docking port assembly r) Heatsink assembly s) Rear I/O board t) Display assembly • Touchpad NOTE: See the order details to determine the exact specifics of subcomponents defined in the Bottom Chassis Assembly. 4. Install the
  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 156
    l) Primary SSD m) Docking port assembly n) PCIe heatsink assembly o) Keyboard p) Bottom chassis cover q) Batteries r) s) t) u) 5. Follow the procedure in After working inside your computer. 156 Removing and installing components
  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 157
    in troubleshooting features to diagnose the Dell systems. It also lists the invoking instructions along error messages that inform you of problems encountered during testing NOTE: The Enhanced screen shows detected devices on the left column. Specific test can be included or excluded only in the
  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 158
    ePSA Advanced Screen The advanced screen allows more directed testing and contains more detail information about the overall health of the system. The user can get to this screen by simply swiping your finger to the left on touchscreen systems or clicking the next page button on the lower right hand
  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 159
    test 1. To run a diagnostic test on a specific device, press Esc and click Yes to stop the diagnostic test. 2. Select the device from the left pane and click Run Tests or use Advanced Option to include or exclude any Test. ePSA Error Messages When the Dell ePSA Diagnostic detects an error while
  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 160
    error code with Validation code or Scan QR code and Contact Dell NOTE: As part of the new feature, user can now side of the error window. NOTE: Some tests for specific devices require user interaction. Always ensure that you are Guide 1. User to obtain information from ePSA error windows.
  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 161
    2. Navigate to Online ePSA Validation Tool. 3. Enter error code, validation code, and service tag. Part serial number is optional. NOTE: For error code, use only the last 3 or 4 digits of the code. (user can enter 0142 or 142
  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 162
    Valid Error Code Example After entering the correct information, the online tools will direct user to above screen which contains information of : • Confirmation of the error code and result outcome. • Suggested Part Replacement. 162 Diagnostics
  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 163
    • If customer is still covered under Dell Warranty. • Case reference number if there is an open case under the service tag . Invalid Error Code Example QR APP Validation Tool Besides using the online tool, customer can also validate the error code by scanning the QR
  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 164
    3. QR code scanner application will scan the code and automatically generate the link out. Click on the link to proceed. 164 Diagnostics
  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 165
    navigate customer to Dell Support website which contains information of : • Confirmation of the error code and result outcome. • Suggested Part Replacement. • If customer is still covered under Dell Warranty. • Case reference number if there is an open case under the service tag. Diagnostics 165
  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 166
    PCs 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 PC or with the video card (GPU) and PC settings . When you notice screen abnormalities like flickering, distortion, clarity
  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 167
    unsupported non-Dell AC adapter is attached to your laptop. Temporary laptop. Instead of beep codes errors are indicated via the bicolor Battery Charge LED. A specific 1 2 3 4 5 6 7 1 2 3 4 5 Problem Description Suggested Resolution processor system board, BIOS ROM memory memory memory system
  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 168
    7 Problem Description following procedure provides the instructions on how to conduct a Wi-Fi power cycle: NOTE: Some ISPs (Internet Service Providers) provide a the previous version and the latest version of the BIOS from the Dell support site available to use. NOTE: Ensure that you have the file
  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 169
    system. NOTE: Ensure that you have downloaded the latest BIOS from the Dell support site and save it on your system. 1. Browse to the location of "\") and follow the on-screen instructions. Self-Heal Course Introduction Self-Heal is an option that helps recover a Dell Latitude system from a No Post,
  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 170
    the Safety Instructions. Supported Latitude Models NOTE: • Before replacing the system board, perform self-heal as a mandatory step. • Latitude Self-Heal , to continue with the regular troubleshooting before part replacement. Onsite Engineer Action: The Latitude Self-Heal procedure has to be
  • Dell Latitude 7424 Rugged Extreme | Service Manual - Page 171
    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: 1. Go to Dell.com/support. 2. Select your support category. 3. Verify your country or region in the Choose a Country
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Dell Latitude 7424 Rugged Extreme
Service Manual
Regulatory Model: P86G
Regulatory Type: P86G001