Dell Latitude 7340 Service Manual
  1. Manuals
  2. Brands
  3. Dell Manuals
  4. Laptop
  5. Latitude 7340
  6. Service manual

Dell Latitude 7340 Service Manual

Hide thumbs Also See for Latitude 7340:
Table of Contents

Advertisement

Quick Links

Latitude 7340
Service Manual
Regulatory Model: P178G/P179G
Regulatory Type: P178G001/P179G001
March 2023
Rev. A00

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the Latitude 7340 and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Dell Latitude 7340

Summary of Contents for Dell Latitude 7340

  • Page 1 Latitude 7340 Service Manual Regulatory Model: P178G/P179G Regulatory Type: P178G001/P179G001 March 2023 Rev. A00...
  • Page 2 A WARNING indicates a potential for property damage, personal injury, or death. © 2023 Dell Inc. or its subsidiaries. All rights reserved. Dell Technologies, Dell, and other trademarks are trademarks of Dell Inc. or its subsidiaries. Other trademarks may be trademarks of their respective owners.

  • Page 3: Table Of Contents

    After working inside your computer..........................9 BitLocker..................................9 Chapter 2: Removing and installing components................10 Recommended tools................................10 Screw list..................................... 10 Major components of Latitude 7340..........................11 NanoSIM-card tray................................13 Removing the nanoSIM-card tray ...........................13 Installing the nanoSIM-card tray ..........................14 Base cover................................... 15 Removing the base cover ............................
  • Page 4 Deleting or changing an existing system setup password.................80 Clearing CMOS settings..............................80 Clearing BIOS (System Setup) and System passwords................... 81 Chapter 5: Troubleshooting......................82 Handling swollen Lithium-ion batteries........................82 Dell SupportAssist Pre-boot System Performance Check diagnostics..............82 Running the SupportAssist Pre-Boot System Performance Check..............83 Contents...
  • Page 5 LCD Built-in Self Test (BIST)........................... 84 System-diagnostic lights..............................84 Recovering the operating system..........................86 Real-Time Clock (RTC Reset)............................86 Backup media and recovery options..........................87 Wi-Fi power cycle................................87 Drain residual flea power (perform hard reset)......................87 Chapter 6: Getting help and contacting Dell................88 Contents...

  • Page 6: Chapter 1: Working Inside Your Computer

    You should only perform troubleshooting and repairs as authorized or directed by the Dell technical assistance team. Damage due to servicing that is not authorized by Dell is not covered by your warranty. See the safety instructions that is shipped with the product or at www.dell.com/regulatory_compliance.

  • Page 7: Safety Precautions

    Ensure that your computer is shut down and the AC adapter is disconnected. a. Hold <B> key on the keyboard and press the power button for 3 seconds or until the Dell logo appears on the screen. b. Press any key to continue.

  • Page 8: Esd Field Service Kit

    Due to the increased density of semiconductors used in recent Dell products, the sensitivity to static damage is now higher than in previous Dell products. For this reason, some previously approved methods of handling parts are no longer applicable. Two recognized types of ESD damage are catastrophic and intermittent failures.

  • Page 9: Transporting Sensitive Components

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

  • Page 10: Chapter 2: Removing And Installing Components

    Removing and installing components NOTE: The images in this document may differ from your computer depending on the configuration you ordered. Recommended tools The procedures in this document may require the following tools: ● Phillips screwdriver #0 ● Phillips screwdriver #1 ●...

  • Page 11: Major Components Of Latitude 7340

    Camera-cable bracket M2x3 Display hinges M2.5x5 Smart-card reader M2x2.5 System board M2x4 Power button with optional M1.2x1.5 fingerprint reader Keyboard M1.2x1.5 Major components of Latitude 7340 The following image shows the major components of Latitude 7340. Removing and installing components...
  • Page 12 1. Base cover 2. Solid-state drive shield 3. Heat-sink shield 4. Solid-state drive 5. Heat sink 6. Battery 7. System board 8. Keyboard bracket Removing and installing components...

  • Page 13: Nanosim-Card Tray

    18. Fingerprint reader NOTE: Dell provides a list of components and their part numbers for the original system configuration purchased. These parts are available according to warranty coverages purchased by the customer. Contact your Dell sales representative for purchase options.

  • Page 14: Installing The Nanosim-Card Tray

    Steps 1. Insert a pin into the release hole of the nanoSIM-card tray and push inward until the tray is released. 2. Slide the nanoSIM-card tray out of the slot on the computer. 3. Remove the SIM card from the nanoSIM-card tray. 4.

  • Page 15: Base Cover

    Steps 1. Insert a pin into the hole of the nanoSIM-card tray and push inward until the tray is released. 2. Slide the nanoSIM-card tray out of the slot on the computer. 3. Place the SIM card into the nanoSIM-card tray with the metallic contact facing up. 4.
  • Page 16 About this task The following images indicate the location of the base cover and provide a visual representation of the removal procedure. Removing and installing components...
  • Page 17 Steps 1. Loosen the eight captive screws that secure the base cover to the palm-rest and keyboard assembly. 2. Using a plastic scribe, pry open the base cover starting from the recesses, which are located in the U-shaped indents at the top edge of the base cover, near the hinges.

  • Page 18: Installing The Base Cover

    3. Pry open the top side of the base cover and continue working on the left, right and, bottom sides to open the base cover. 4. Lift the base cover from the left and right sides and remove the base cover off the palm-rest and keyboard assembly. Installing the base cover Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.

  • Page 19: Solid-State Drive

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

  • Page 20: Installing The M.2 2230 Solid-State Drive

    NOTE: To avoid data loss, do not remove the solid-state drive while the computer is in sleep or on state. 2. Remove the base cover. About this task NOTE: The M.2 card that is installed on your computer depends on the configuration ordered. Supported card configurations on the M.2 card slot are: ●...

  • Page 21: Wireless Wide Area Network (Wwan) Card

    3. Verify if the storage device is installed correctly: a. Turn on or restart your system. b. Press F2 when the Dell logo is displayed on the screen to enter the system setup (BIOS) program. NOTE: A list of storage devices are displayed under the System Information in the General group.
  • Page 22 About this task NOTE: This procedure applies only to computers shipped with a 5G WWAN card installed. NOTE: WWAN card is configured at point of sales for 2-in-1 computers, WWAN card upgrade (CUS Kit) is not available for 2-in-1 computers. The following images indicate the location of the 5G WWAN card and provide a visual representation of the removal procedure.

  • Page 23: Installing The 5G Wwan Card

    Installing the 5G WWAN card Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following images indicate the location of the 5G WWAN card and provide a visual representation of the installation procedure.

  • Page 24: Battery

    ● If the battery gets stuck inside your computer as a result of swelling, do not try to release it as puncturing, bending, or crushing a lithium-ion battery can be dangerous. In such an instance, contact Dell technical support for assistance. See www.dell.com/contactdell.

  • Page 25: Installing The 2-Cell Battery

    Steps 1. Use the pull tab to disconnect the battery cable from the connector on the system board. 2. Loosen the five captive screws that secures the 2-cell battery to the palm-rest and keyboard assembly. 3. Lift the 2-cell battery along with the battery cable off the palm-rest and keyboard assembly. 4.

  • Page 26: Removing The 3-Cell Battery

    Steps 1. Carefully push the battery filler upwards to attach it to the 2-cell battery. 2. Place the 2-cell battery along with the battery cable on the palm-rest and keyboard assembly. 3. Align the screw holes on the 2-cell battery to the screw holes on the palm-rest and keyboard assembly. 4.

  • Page 27: Installing The 3-Cell Battery

    About this task The following image indicates the location of the 3-cell battery and provides a visual representation of the removal procedure. Steps 1. Disconnect the battery cable from the connector on the system board, if it was not disconnected earlier. 2.

  • Page 28: Battery Cable

    Steps 1. Place the 3-cell battery along with the battery cable on the palm-rest and keyboard assembly. 2. Adhere the tape to secure the battery cable to the battery. 3. Align the screw holes on the 3-cell battery to the screw holes on the palm-rest and keyboard assembly. 4.

  • Page 29: Installing The Battery Cable

    Steps 1. Flip the battery and unroute the battery cable from the routing guides on the battery. 2. Disconnect the battery cable from the connector on the battery. 3. Lift the battery cable away from the battery. NOTE: Dummy filler for a 2-cell battery is not required for lightweight WLAN configuration. Installing the battery cable Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.

  • Page 30: Fan

    Steps 1. Connect the battery cable to the connector on the battery. 2. Route the battery cable through the routing guides on the battery. Next steps 1. Install the 2-cell battery the3-cell battery, whichever is applicable. 2. Install the base cover.

  • Page 31: Installing The Fan

    About this task The following image indicates the location of the fan and provides a visual representation of the removal procedure. Steps 1. Remove three screws (M2x3) securing WLAN and WWAN brackets from the system board. 2. Disconnect the cables from the connector and release the cables from the cable routing guides. 3.

  • Page 32: Heat-Sink

    Steps 1. Place the thermal fan from the system board. 2. Align the screw holes on the thermal module to the screw holes on the system board. 3. Replace the single screw (M2x4) securing a fan. 4. Connect the thermal-fan cable to the connector on the system board. 5.

  • Page 33: Installing The Heat-Sink

    Steps 1. Remove the single screw (M2x3) to open the SSD shielding cover from the system board. 2. Peel back the tape that secures the thermal module. 3. Remove the to the system board. 4. In reverse sequential order (as indicated on the heat-sink), loosen the four captive screws that secure the heat-sink and fan assembly to the system board.
  • Page 34 NOTE: Incorrect alignment of the heat-sink can damage the system board and processor. The following image indicates the location of the heat-sink and provides a visual representation of the installation procedure. Steps 1. Place the heat-sink on the system board. 2.

  • Page 35: Coin-Cell Battery

    Coin-cell battery Removing the coin-cell battery Prerequisites 1. Follow the procedure in Before working inside your computer. CAUTION: Removing the coin-cell battery resets the BIOS setup program's settings to default. It is recommended that you note the BIOS setup program's settings before removing the coin-cell battery. 2.

  • Page 36: Display Assembly

    Steps 1. Place the coin-cell battery into its slot on the system board. 2. Route the coin-cell battery cable back to the routing guides on the system board. 3. Connect the coin-cell battery cable to the connector on the system board. Next steps 1.
  • Page 37 Removing and installing components...

  • Page 38: Installing The Display Assembly

    Steps 1. Remove the two screws (M2x3) securing the EDP cable bracket on the system board. 2. Remove the two screws (M2x3) securing the camera cable bracket on the system board. 3. Disconnect and peel off the camera cable and display cable from the system board. 4.
  • Page 39 Removing and installing components...

  • Page 40: Speakers

    Steps 1. Place the display assembly on a flat surface. 2. Slide the base assembly at an angle and gently press down on hinges to align the screw holes on the display hinges with screw holes on the system board. 3.

  • Page 41: Installing The Speakers For Ultralight

    About this task The following image indicates the location of the speakers and provides a visual representation of the removal procedure. Steps 1. Unroute the antenna cables from the routing guide. 2. Disconnect the speaker cable from the connector on I/O daughter-board. 3.

  • Page 42: Removing The Speakers For Mainstream

    Steps 1. Route the antenna cables from the routing guide. 2. Using the alignment posts and rubber grommets, place the speakers into the slots on the palm-rest and keyboard assembly. 3. Route the speaker cable along the bottom side of the palm-rest and keyboard assembly. Then secure the speaker cable into the routing guides on the palm-rest and keyboard assembly.

  • Page 43: Installing The Speakers For Mainstream

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

  • Page 44: Smart Card Reader

    Steps 1. Using the alignment posts and rubber grommets, place the speakers into the slots on the palm-rest and keyboard assembly. 2. Route the speaker cable along the bottom side of the palm-rest and keyboard assembly. Then secure the speaker cable into the routing guides on the palm-rest and keyboard assembly.

  • Page 45: Installing The Smart Card Reader

    Steps 1. Open the latch and disconnect the clickpad flexible flat cable from the connector on the clickpad. 2. Remove the four screws (M2x2.5)(M2x2) that secure the smart card reader to the palm-rest and keyboard assembly. 3. Remove the smart card reader from the computer. Installing the smart card reader Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.

  • Page 46: System Board

    Steps 1. Align and place the smart card reader on the palm-rest and keyboard assembly. 2. Replace the four screws (M2x2.5)(M2x2) that secure the smart card reader to the palm-rest and keyboard assembly. 3. Connect the clickpad flexible flat cable to the connectors on the clickpad. Next steps 1.
  • Page 47 1. Fingerprint reader 2. Darwin 1 antenna cable 3. Darwin 2 antenna cable 4. P sensor connector 5. LCD connector 6. IR-camera cable connector 7. M.2 solid-state drive connector 8. Battery cable connector 9. Speaker 2 10. Fan connector 11. Clickpad FFC connector 12.
  • Page 48 Steps 1. Remove the six screws (M2x3) securing the display, camera, and USB Type-C brackets. 2. Disconnect camera and display cables on the system board. 3. Disconnect the camera cable, display cable, battery cable, speaker cable, clickpad flexible flat cable, USH daughter board flexible flat cable (for models shipped with a USH daughter board), RTC cable, finger print reader power button cable, Darwin cables, and P cable, from the system board.
  • Page 49 NOTE: There are 2 speaker cables to disconnect. 4. Remove the single screw (M2x4) securing the system board in place. 5. Remove the system board from the system. 6. Carefully lift and remove the system board away from the palm-rest and keyboard assembly. NOTE: Transfer the re-useable WLAN, WWAN (for WWAN only) absorbers (including WWAN cover), CPU absorber (for WWAN only), and CPU graphite to the new system board.

  • Page 50: Installing The System Board

    NOTE: For the systems supporting 5G configuration, the CPU absorber sticker adhered to the system board must be peeled off and transferred over to the replacement system board. CPU absorber 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 connectors on your system board.
  • Page 51 1. Fingerprint reader 2. Darwin 1 antenna cable 3. Darwin 2 antenna cable 4. P sensor connector 5. LCD connector 6. IR-camera cable connector 7. M.2 solid-state drive connector 8. Battery cable connector 9. Speaker 2 10. Fan connector 11. Clickpad FFC connector 12.
  • Page 52 Steps 1. Place the system board into the respective slot on the palm-rest and keyboard assembly. NOTE: Transfer the reusable WLAN absorbers to the new system board while replacing the system board. 2. Replace the single screw (M2x4) securing the system board in place. Removing and installing components...

  • Page 53: Wlan-Antenna Module

    3. Connect the camera cable, display cable, battery cable, speaker cable, clickpad flexible flat cable, USH daughter board flexible flat cable (for models shipped with a USH daughter board), RTC cable, finger print reader power button cable, Darwin cables, and P cable, on the system board. 4.

  • Page 54: Installing The Wlan-Antenna Module

    Steps 1. Remove the four screws (M2x2.5) that secure the WLAN-antenna module bracket to the system board. 2. Unroute the white WLAN Main antenna cable and black WLAN Aux antenna cable from the routing guides on the palm rest. 3. Slide and remove the WLAN-antenna module from the WLAN-antenna module slot on the system board. Installing the WLAN-antenna module Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.

  • Page 55: Power Button With Optional Fingerprint Reader

    Steps 1. Slide and replace the WLAN-antenna module to the WLAN-antenna module slot on the system board. 2. Route the WLAN-antenna cables from the routing guides on the system board. 3. Replace the four screws (M2x2.5) that secure the WLAN-antenna module bracket on the system board. Next steps 1.

  • Page 56: Installing The Power Button With Optional Fingerprint Reader

    NOTE: For computers shipped with a fingerprint reader, the power button includes a fingerprint reader module. The following images indicate the location of the power button with optional fingerprint reader and provide a visual representation of the removal procedure. Steps 1.

  • Page 57: Keyboard

    Steps 1. Place the power button into its slot on the palm-rest and keyboard assembly. 2. Adhere the fingerprint reader flexible printed circuits to the connector on the palm-rest and keyboard assembly. NOTE: This step applies only to computers shipped with a power button with fingerprint reader installed. 3.
  • Page 58 7. Remove the speakers. 8. Remove the Power button. 9. Remove the system board. NOTE: When removing the system board to replace or access other parts, the system board can be removed and installed with the heat sink attached to simplify the procedure and preserve the thermal bond between the system board and heat sink.
  • Page 59 Steps 1. Peel the USH daughter-board flexible flat cable from the back of the keyboard. NOTE: This step applies only to computers shipped with a USH daughter-board installed. 2. Open the latch and disconnect the keyboard and keyboard backlight flat cable from the connector on the clickpad. 3.

  • Page 60: Installing The Keyboard

    Keyboard Support Plate for 5G WWAN Components Thermal pad for 5G WWAN Installing the keyboard Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following images indicate the location of the keyboard and provide a visual representation of the installation procedure. Removing and installing components...
  • Page 61 Steps 1. Align the screw holes on the keyboard to the screw holes on the keyboard support plate and place the keyboard on the keyboard support plate. 2. Align and place the keyboard assembly in to its slot in the computer. 3.

  • Page 62: Palm-Rest Assembly

    4. Connect the keyboard and keyboard backlight flat cable to the back of the clickpad. 5. Adhere the USH daughter-board flexible flat cable to the back of the keyboard. NOTE: This step applies only to computers shipped with a USH daughter-board installed. Next steps 1.

  • Page 63: Installing The Palm-Rest Assembly

    Steps 1. For computers shipped with a carbon fiber palm-rest, use a fine-tipped instrument to push the nanoSIM outwards to remove it from its slot on the palm-rest assembly. 2. After performing the pre-requisites, you are left with the palm-rest assembly. Installing the palm-rest assembly Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.
  • Page 64 Steps 1. For computers shipped with a carbon fiber palm-rest, align to the slot on the palm-rest assembly. 2. Place the palm-rest assembly on a flat surface and perform the post-requisites to install the palm-rest assembly. Next steps 1. Install the keyboard. 2.

  • Page 65: Chapter 3: Drivers And Downloads

    Drivers and downloads When troubleshooting, downloading or installing drivers it is recommended that you read the Dell Knowledge Base article, Drivers and Downloads FAQ 000123347. Drivers and downloads...

  • Page 66: Chapter 4: Bios Setup

    BIOS setup CAUTION: Unless you are an expert computer user, do not change the settings in the BIOS Setup program. Certain changes can make your computer work incorrectly. NOTE: Depending on the computer and its installed devices, the items listed in this section may or may not be displayed. NOTE: Before you change BIOS Setup program, it is recommended that you write down the BIOS Setup program screen information for future reference.

  • Page 67: System Setup Options

    Depending on your system and its installed devices, the items that are listed in this section may or may not appear. Table 3. System setup options—System information menu Overview Latitude 7340 BIOS Version Displays the BIOS version number. Service Tag Displays the Service Tag of the system.
  • Page 68 Table 3. System setup options—System information menu (continued) Overview 64-Bit Technology Displays whether 64-bit technology is used. Memory Information Memory Installed Displays the total system memory installed. Memory Available Displays the total system memory available. Memory Speed Displays the memory speed. Memory Channel Mode Displays single or dual channel mode.
  • Page 69 By default, the Video/Power only on Type-C Ports option is disabled. Type-C Dock Override Enables to use connected Type-C Dell Dock to provide data stream with external USB ports disabled. When Type-C Dock override is enabled, the Video/Audio/Lan submenu is activated.
  • Page 70 Table 6. System setup options—Storage menu Storage SATA/NVMe Operation SATA/NVMe Operation Set the operating mode of the integrated storage device controller. By default, the RAID On option is enabled. Storage Interface Port Enablement This page allows you to enable the onboard drives. By default, the M.2 PCIe SSD option is enabled.
  • Page 71 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 system from Standby, Hibernate, and Power Off. By default, the Wake on Dell USB-C Dock option is enabled.
  • Page 72 Table 9. System setup options—Power menu (continued) Power Enabled Lid Switch Enable or disable the lid switch. By default, the Enable Lid Switch option is enabled. Power On Lid Open When enabled, allows the system to power up from the off state whenever the lid is opened.
  • Page 73 Table 10. System setup options—Security menu (continued) Security By default, the option is enabled. WARNING: The 'Permanently Disabled' option can only be selected once. When 'Permanently Disabled' is selected, Absolute Persistence cannot be re-enabled. No further changes to the Enable/Disable states are allowed. NOTE: The Enable/Disable options will be unavailable while Computrace is in the activated state.
  • Page 74 By default, the option is enabled. Dell Auto OS Recovery Threshold Controls the automatic boot flow for SupportAssist System Resolution Console and for Dell operating system Recovery Tool. By default, the threshold value is set to 2. Table 13. System setup options—System Management menu...
  • Page 75 Table 13. System setup options—System Management menu (continued) System Management By default, the option is disabled. Auto on Time Enable to set the system to turn on automatically every day or on a preselected date and time. This option can be configured only if the Auto On Time is set to Everyday, Weekdays, or Selected Days.
  • Page 76 Table 15. System setup options—Pre-boot Behavior menu (continued) Pre-boot Behavior MAC Address Pass-Through Replaces the external NIC MAC address with the selected MAC address from the system. By default, the System Unique MAC Address option is enabled. Sign of Life Early Keyboard Backlight By default, the Early Keyboard Backlight option is enabled.

  • Page 77: Updating The Bios

    For more information on this subject, search in the Knowledge Base Resource at www.dell.com/support. Steps 1. Go to www.dell.com/support. 2. Click Product support. In the Search support box, enter the Service Tag of your computer, and then click Search. NOTE: If you do not have the Service Tag, use the SupportAssist feature to automatically identify your computer.

  • Page 78: Updating The Bios In Linux And Ubuntu

    One-Time boot menu on the computer. Most of the Dell computers built after 2012 have this capability, and you can confirm by booting your computer to the F12 One-Time Boot Menu to see if BIOS FLASH UPDATE is listed as a boot option for your computer. If the option is listed, then the BIOS supports this BIOS update option.

  • Page 79: System And Setup Password

    ● USB drive formatted to the FAT32 file system (key does not have to be bootable) ● BIOS executable file that you downloaded from the Dell Support website and copied to the root of the USB drive ● AC power adapter that is connected to the computer ●...

  • Page 80: Deleting Or Changing An Existing System Setup Password

    ● At least one special character: ! " # $ % & ' ( ) * + , - . / : ; < = > ? @ [ \ ] ^ _ ` { | } ● Numbers 0 through 9. ●...

  • Page 81: Clearing Bios (System Setup) And System Passwords

    Clearing BIOS (System Setup) and System passwords About this task To clear the system or BIOS passwords, contact Dell technical support as described at www.dell.com/contactdell. NOTE: For information on how to reset Windows or application passwords, refer to the documentation accompanying Windows or your application.

  • Page 82: 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 83: Running The Supportassist Pre-Boot System Performance Check

    Running the SupportAssist Pre-Boot System Performance Check Steps 1. Turn on your computer. 2. As the computer boots, press the F12 key as the Dell logo appears. 3. On the boot menu screen, select the Diagnostics option. 4. Click the arrow at the bottom left corner.

  • Page 84: Lcd Power Rail Test (L-Bist)

    LCD Built-in Self Test (BIST) Dell laptops have a built-in diagnostic tool that helps you determine if the screen abnormality you are experiencing is an inherent problem with the LCD (screen) of the Dell laptop or with the video card (GPU) and PC settings.
  • Page 85 (AC, battery, coin cell) and errors drain flea power by pressing and holding down power button for 3-5 seconds. CPU failure ● Run the Dell Support Assist/Dell Diagnostics tool. ● If problem persists, replace the system board. System board failure (included ●...

  • Page 86: 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 87: Backup Media And Recovery Options

    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 88: 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 22. 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.

Table of Contents