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Dell Latitude 7310 Service Manual
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Dell Latitude 7310 Service Manual

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Latitude 7310
Service Manual
1.0.0.0
Regulatory Model: P33S and P34S
Regulatory Type: P33S001 and P34S001
August 2020
Rev. A01

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Summary of Contents for Dell Latitude 7310

  • Page 1 Latitude 7310 Service Manual 1.0.0.0 Regulatory Model: P33S and P34S Regulatory Type: P33S001 and P34S001 August 2020 Rev. A01...
  • Page 2 A WARNING indicates a potential for property damage, personal injury, or death. © 2020 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its subsidiaries. Other trademarks may be trademarks of their respective owners.

  • Page 3: Table Of Contents

    Contents Chapter 1: Working on your computer....................5 Safety instructions................................5 Working inside your computer............................5 After working inside your computer..........................7 Chapter 2: Removing and installing components................8 Recommended tools................................8 Screw list....................................8 Base cover....................................9 Removing the base cover............................... 9 Installing the base cover..............................12 Battery....................................
  • Page 4 WiFi power cycle................................. 58 LCD Built-in Self Test (BIST).............................58 BIOS recovery..................................59 BIOS recovery using hard drive........................... 59 BIOS recovery using USB drive........................... 60 M-BIST....................................60 RTC reset and Flea power release............................. 61 Chapter 4: Getting help and contacting Dell..................62 Contents...

  • Page 5: 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 6 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 7: After Working Inside Your Computer

    It is recommended that all field service technicians 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 that technicians keep sensitive parts separate from all insulator parts while performing service and that they use anti-static bags for transporting sensitive components.

  • Page 8: Chapter 2: Removing And Installing Components

    Removing and installing components Recommended tools The procedures in this document require the following tools: • Phillips #0 screwdriver • Phillips #1 screwdriver • Plastic scribe: Recommended for field technicians. NOTE: The #0 screw driver is for screws 0-1 and the #1 screw driver is for screws 2-4. Screw list NOTE: When removing screws from a component, it is recommended to note the screw type, the quantity of screws,...

  • Page 9: Base Cover

    Table 1. Screw list (continued) Component Secured to Screw type Quantity Screw image 10. System board 11. Optional palmrest antenna Hinges Palmrest assembly M2.5x4 F-beam FPC I/O daughterboard M2x3.5 USB Type-C bracket System board M2x5 Palmrest assembly M1.6x2 Keyboard 1. Carbon Fiber 1.
  • Page 10 Removing and installing components...
  • Page 11 Removing and installing components...

  • Page 12: Installing The Base Cover

    Steps 1. Loosen the eight captive screws that secure the base cover to the palmrest assembly. 2. Starting from the top-left corner, use a plastic scribe to pry the base cover outwards to release the base cover from the palm-rest assembly.
  • Page 13 Removing and installing components...

  • Page 14: 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 15: Installing The Battery

    Steps 1. Using the pull tab, remove the battery cable from connector the system board. 2. Loosen the four captive screws that secure the base cover to the palmrest assembly. 3. Lift and remove the battery from the system unit. Installing the battery Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.

  • Page 16: Solid-State Drive

    Steps 1. Align the screw holes on the battery with the screw holes on the palmrest assembly, and then snap the battery into place. 2. Tighten the four captive screws that secure the battery to the palmrest assembly. 3. Replace the battery cable to connector on the system board. Next steps 1.
  • Page 17 Figure 1. 2230 SSD Removing and installing components...

  • Page 18: Installing The Solid State Drive

    Figure 2. 2280 SSD Steps 1. Remove the single M2x2 screw that secures the SSD thermal plate to the system board and lift to remove it from over the SSD. 2. Remove the single M2x2 screw that secures the SSD to the system board. 3.
  • Page 19 Figure 3. 2230 SSD Removing and installing components...
  • Page 20 Figure 4. 2280 SSD Steps NOTE: Install the M.2 2230 SSD to the SSD bracket so that the top side of the SSD (with the sticker) is facing up. Align the notch and slide the solid-state drive into the M.2 slot of the system board. 2.

  • Page 21: Wwan Card

    CAUTION: A thermal pad is included with the SSD plate and must always be adhered to the plate. If in the process of replacing the SSD, the pad is separated from the plate or gets adhered to the SSD, technicians must re-adhere the thermal pad to the SSD plate before re-installing the plate to the system.

  • Page 22: Installing The Wwan Card

    Steps 1. Remove the single M2x2.5 screw securing the WWAN bracket to the WWAN card. 2. Pry off the WWAN shielding cover from the top-left side of the shielding cover. 3. Disconnect the antenna cables from the WWAN card. 4. Lift and remove the WWAN card from its slot on the I/O board. Installing the WWAN card Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.
  • Page 23 Steps 1. Replace the WWAN card into its slot on the I/O board and connect the antennae cables. 2. Replace the WWAN shielding cover on top of the WWAN card. NOTE: For models shipped with WWAN antennas, the WWAN antenna connections on the WWAN card are numbered and color-coded.

  • Page 24: Wlan Antennae Bracket

    Table 2. WWAN antenna cable connection guide (continued) Cable Pin Number Antenna Cable Blue Auxiliary Orange Auxiliary 3. Replace the WWAN bracket on top of the antennae cables. 4. Replace the single M2x2.5 screw securing it to the I/O board. NOTE: System will be reboot 2-3 times automatically within 1 min, after SSD/ WWAN card and battery cable is re- connected.

  • Page 25: Installing The Wlan Antenna Bracket

    Steps 1. Remove the two M2x2.5 screws that secure the WLAN antenna bracket to the system board. 2. Lift and remove the WLAN antenna bracket from over the antennae connectors. 3. Disconnect the antenna cable from WLAN module on the system board. Installing the WLAN antenna bracket Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.

  • Page 26: Palmrest Antenna (Optional)

    Steps 1. Connect the antenna cable to the WLAN module on the system board. NOTE: The antenna cable connectors are fragile and utmost care should be taken while replacing them. Table 3. Antenna cable guide Cable color Connector White cable (Main) White triangle (△) on the WLAN module of the system board Black cable (Aux) Solid triangle (▲) on the WLAN module of the system board...

  • Page 27: Installing The Palmrest Antenna (Optional)

    Steps 1. Disconnect and un-thread the WWAN antenna cables. 2. Remove the two M2x2.5 screws securing the WLAN antenna to the palmrest assembly. 3. Remove the palmrest antenna from the palmrest assembly. Installing the Palmrest antenna (optional) 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 optional Palmrest antenna and provide a visual representation of the installation procedure.

  • Page 28: Heatsink Assembly

    Steps 1. Install the palmrest antenna into its slot on the palmrest assembly. 2. Route the antenna cables from underneath the system board along the routing channel. 3. Replace the two M2x2.5 screws securing the palmrest antenna to the palmrest assembly. Next steps If you are replacing a component, remove the existing component before performing the installation procedure.

  • Page 29: Installing The Heatsink Assembly

    Steps 1. Pry and remove the system board shield from over the heatsink assembly. NOTE: The white triangles (△) symbol highlights the prying points on the system board shield. 2. Remove the single M2x2.5 screw from the fan case and four M2x2.5 screws in reverse sequence (4>3>2>1). 3.
  • Page 30 Steps 1. Replace the heatsink assembly into the slot in the palmrest assembly and connect the fan cable to the system board. 2. Replace the single M2x2.5 screw on the fan case and four M2x2.5 screws in sequence (1>2>3>4) securing the heatsink assembly to the system board.

  • Page 31: Display Assembly

    Display assembly Removing the display assembly Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the: Base cover About this task The following images indicate the location of the display assembly and provide a visual representation of the removal procedure. Steps CAUTION: If the system unit is shipped with WWAN card, remove the WWAN bracket and disconnect the antennae...

  • Page 32: Installing The Display Assembly

    3. Remove the two M2.5x4 from both left and right hinges. 4. Fold the LCD at an convenient angle to detach it from the palmrest assembly. Installing the display assembly 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 display assembly and provide a visual representation of the installation procedure.

  • Page 33: Speakers

    Steps 1. Align and place the display assembly at an convenient angle and replace the two M2.5x4 screws securing the hinges of the display assembly to the palmrest. 2. Connect the eDP cable, camera cable and touch sensor cable to the system board. NOTE: The display cable and sensor daughter board cable are bundled together with tape.

  • Page 34: Installing The Speaker

    Steps 1. Disconnect the speaker cable from its connector on the system board. 2. Remove the speaker cables from the guide path. NOTE: The speaker cable is secured with an insulation tape on the touchpad buttons. 3. Lift and remove the speakers from its slot on the palmrest assembly. Installing the speaker Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.

  • Page 35: Smart Card Reader

    Smart card reader Removing the smart card reader Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the: Base cover Battery Speakers 3. Loosen and remove the single M2x2 screw on the SSD thermal shield and remove the system board shield.

  • Page 36: Installing The Smart Card Reader

    Installing the smart card reader 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 smart card reader and provide a visual representation of the installation procedure. Steps 1.

  • Page 37: I/O Board

    I/O board Removing the I/O board Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the: Base cover Battery WWAN SSD thermal shield WLAN antennae bracket About this task The following images indicate the location of the I/O board and provide a visual representation of the removal procedure. NOTE: For configurations shipped without a WWAN card, a WWAN shield cover and WWAN bracket will be pre-installed to the system.

  • Page 38: Installing The I/O Board

    NOTE: System configurations ordered with finger print reader there are two screws securing the finger print reader bracket to the palmrest assembly. 2. Disconnect the power button with finger print reader cable from the I/O daughterboard. For system units ordered with WWAN card, disconnect and remove the antennae cables from the WWAN card on the I/O daughterboard.

  • Page 39: Power Button With Fingerprint Reader

    NOTE: System configurations ordered with finger print reader there are two screws securing the finger print reader bracket to the palmrest assembly. Next steps 1. Install the: Battery WLAN antennae bracket WWAN card SSD thermal shield Base cover 2. Follow the procedure in After working inside your computer.

  • Page 40: Installing The Power Button With Fingerprint Reader

    Steps 1. Remove the two M2x2.5 screws securing the power button with fingerprint reader to the palmrest assembly. 2. Remove the power button with fingerprint reader from its slot in the palmrest assembly. Installing the power button with fingerprint reader Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.

  • Page 41: System Board

    System board Removing the system board Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the: Base cover Battery Solid state drive WLAN antennae bracket Heatsink assembly NOTE: System board can be disassembled without having to remove the heatsink assembly. About this task The following images indicate the location of the system board and provide a visual representation of the removal procedure.

  • Page 42: Installing The System Board

    3. Remove the two M2x2 screws securing the eDP bracket and remove it from the system board. 4. Disconnect the following cables from the system board : • IR camera cable (for systems shipped with IR camera) • Touchscreen cable (for systems shipped with touchscreen) •...

  • Page 43: Keyboard

    Steps 1. Align and replace the system board into the palmrest assembly. 2. Replace the single M2x2.5 screw securing the system board to the palmrest assembly. 3. Replace the USB Type-C bracket on the system board and secure it using the three M2x5 screws. 4.
  • Page 44 Removing and installing components...

  • Page 45: Installing The Keyboard

    Steps 1. Remove all the M1.6x2 screws securing the keyboard to the palmrest assembly. Depending on the configuration the number of screws vary : • Aluminum palmrest: 21 • Carbon Fiber palmrest: 17 2. Disconnect the keyboard and backlight cable from the touchpad module. 3.
  • Page 46 Steps 1. Align the screw holes on the keyboard support bracket with that on the keyboard and replace the two M2x2 screws. 2. Align the and place the keyboard into its slot in the palmrest assembly. 3. Replace all the M1.6x2 screws securing the keyboard to the palmrest assembly. Depending on the configuration the number of screws vary : •...

  • Page 47: Palmrest Assembly

    Palmrest assembly Removing the palmrest assembly Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the: Base cover Battery Solid state drive WWAN card WLAN antenna bracket Palmrest antenna (optional) Heatsink assembly Display assembly Speakers Smart card reader I/O Board Power button with fingerprint reader System board...
  • Page 48 Steps 1. Place the palmrest assembly on a flat surface. 2. Transfer over the components to the new palmrest assembly. Next steps If you are replacing a component, remove the existing component before performing the installation procedure. 1. Install the: Keyboard System board Power button with finger print reader...

  • Page 49: Chapter 3: Troubleshooting

    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 50: Validation Tools

    7. Select the device from the left pane and click Run Tests. 8. If there are any issues, error codes are displayed. Note the error code and validation number and contact Dell. Validation Tools This section contains information on how to validate the SupportAssist ePSA, ePSA or PSA error codes.
  • Page 51 NOTE: For error code, use only the last 3 or 4 digits of the code. (user can enter 0142 or 142 instead of 2000–0142.) 4. Click on Submit once all the necessary information is entered. Results Valid Error Code Example Troubleshooting...
  • Page 52 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 Invalid Error Code Example Troubleshooting...
  • Page 53 QR APP Validation Tool About this task Besides using the online tool, customers can also validate the error code by scanning the QR code with a QR APP on a smartphone. Steps 1. User to obtain the QR code from SupportAssist On-board Diagnostics error screen. 2.
  • Page 54 3. The QR code scanner application will scan the code and automatically generate a link. Click the link to proceed. Troubleshooting...
  • Page 55 Results The link generated will take the customer to the Dell Support website which contains information on: • Confirmation of the error code and result outcome • Suggested Part Replacement • If customer is still covered under Dell Warranty •...

  • Page 56: System Diagnostic Lights

    System diagnostic lights Battery-status light Indicates the power and battery-charge status. Solid white — Power adapter is connected and the battery has more than 5 percent charge. Amber — Computer is running on battery and the battery has less than 5 percent charge. •...

  • Page 57: Flashing Bios (Usb Key)

    4. Connect the bootable USB drive to the computer that needs the BIOS update. 5. Restart the computer and press F12 when the Dell logo is displayed on the screen. 6. Boot to the USB drive from the One Time Boot Menu.

  • Page 58: Flashing The Bios

    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 59: Bios Recovery

    BIOS recovery using hard drive About this task NOTE: Ensure that you have 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 type extensions visible in the operating system (OS).

  • Page 60: Bios Recovery Using Usb Drive

    Ensure that you have the file type extensions visible in the operating system. NOTE: Ensure that you have downloaded the latest BIOS from the Dell support site and save it on your system. Steps 1. Browse to the location of the downloaded BIOS update executable (.exe) file.

  • Page 61: Rtc Reset And Flea Power Release

    How to run M-BIST NOTE: M-BIST must be initiated on the system from a power-off state either connected to AC power or with battery only. 1. Press and hold both the M key on the keyboard and the power button to initiate M-BIST. 2.

  • Page 62: Chapter 4: 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 5. Self-help resources Self-help resources Resource location Information about Dell products and services https://www.dell.com/ Dell Support Tips Contact Support In Windows search, type Contact Support, and press Enter.
  • Page 63 Dell product catalog. Availability varies by country/region and product, and some services may not be available in your area. To contact Dell for sales, technical support, or customer service issues: 1.

This manual is also suitable for:

P33sP34s

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