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Latitude 3310 2-in-1
Service Manual
Regulatory Model: P118G
Regulatory Type: P118G001
August 2021
Rev. A01

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Summary of Contents for Dell P118G

  • Page 1 Latitude 3310 2-in-1 Service Manual Regulatory Model: P118G Regulatory Type: P118G001 August 2021 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................... 6 Safety instructions................................6 Turning off your computer............................6 Before working inside your computer........................7 Transporting sensitive components.......................... 7 Safety Precautions................................ 7 After working inside your computer........................14 Chapter 2: Technology and components..................15 UEFI BIOS....................................
  • Page 4 Removing the eDP cable............................66 Installing the eDP cable..............................67 Plamrest....................................68 Chapter 5: Troubleshooting......................72 Handling swollen Lithium-ion batteries........................72 Dell SupportAssist Pre-boot System Performance Check diagnostics..............73 Running the SupportAssist Pre-Boot System Performance Check..............73 WiFi power cycle................................73 Built-in self-test (BIST)..............................74 M-BIST................................... 74 LCD Power rail test (L-BIST)...........................
  • Page 5 Chapter 6: Getting help and contacting Dell................78 Contents...
  • Page 6: Chapter 1: Working On Your Computer

    Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions that came with the product.
  • Page 7: Before Working Inside Your Computer

    8. Remove any installed ExpressCards or Smart Cards from their slots. 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 8 ESD protection is an increasing concern. Due to the increased density of semiconductors used in recent Dell products, the sensitivity to static damage is now higher than in earlier Dell products. For this reason some previously approved methods of handling parts are no longer applicable.
  • Page 9 Figure 2. Intermittent (Latent) Damage to a Wiring Trace Do the following to prevent ESD damage: ● Use a wired ESD wrist strap that is properly grounded. The use of wireless anti-static straps is no longer allowed; they do not provide adequate protection. Touching the chassis before handling parts does not ensure adequate ESD protection on parts with increased sensitivity to ESD damage.
  • Page 10 Figure 4. ESD Field Service Kit The anti-static mat is dissipative and should be used to safely place parts on during service procedures. When using an anti-static mat, your wrist strap should be snug and the bonding wire should be connected to the mat and to bare-metal on the system being worked on.
  • Page 11 Table 1. Wrist Straps Wrist Strap and Bonding Wire Wireless ESD Strap (Unacceptable) ESD Wrist Strap Tester The wires inside of an 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.
  • Page 12 Table 2. Placement of Insulator Elements Unacceptable — DIMM lying on an insulator part (plastic Acceptable — DIMM separated from the insulator part heat sink shroud) 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 or portable environment.
  • Page 13 Figure 7. ESD Packaging 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. ESD Protection Summary It is strongly suggested that all field service engineers use the traditional wired ESD grounding wrist strap and protective anti-static mat at all times when servicing Dell products.
  • Page 14: After Working Inside Your Computer

    After you complete any replacement procedure, ensure that you connect external devices, cards, and cables before turning on your computer. CAUTION: To avoid damage to the computer, use only the battery designed for this particular Dell computer. Do not use batteries designed for other Dell computers. Steps 1.
  • Page 15: Chapter 2: Technology And Components

    BIOS while a higher level language code will be used to program the UEFI. Dell UEFI BIOS implementation will supersede the existing two different sets of BIOS in the portables and desktop products into one single UEFI BIOS moving forward.
  • Page 16: Ddr4

    For older systems and all newer systems with the UEFI BIOS platform, customers can download the Dell Command Configure Toolkit (DCC) to customize the BIOS options or even change the ownership or asset tag from within Windows.
  • Page 17: Graphics Options

    ● System Ports- Three displays max with LCD plus one display max on each output (HDMI, DisplayPort over USB Type-C). NOTE: A USB Type C Dell dock is optional. Storage options This topic lists out the detailed specifications of the supported SSD options.
  • Page 18: Hdmi 1.4A

    Table 4. 128 GB SSD (continued) Parameter Values Dimensions mm (W x D x H) 22 x 80 x 2.38 Interface type PCle MTBF 800 k hours Logical blocks 250,069,680 Power Source Power consumption (reference only). Idle 0.5 W, Active 2.5 W Table 5.
  • Page 19: Battery Specifications

    ● 3D - Defines input/output protocols for major 3D video formats, paving the way for true 3D gaming and 3D home theater applications. ● Content Type - Real-time signaling of content types between display and source devices, enabling a TV to optimize picture settings based on content type.
  • Page 20: Usb Features

    USB features Universal Serial Bus, or USB, was introduced in 1996. It dramatically simplified the connection between host computers and peripheral devices like mice, keyboards, external drivers, and printers. Table 8. USB evolution Type Data Transfer Rate Category Introduction Year USB 2.0 480 Mbps High Speed...
  • Page 21: Usb Type-C

    With today's ever increasing demands placed on data transfers with high-definition video content, terabyte storage devices, high megapixel count digital cameras etc., USB 2.0 may not be fast enough. Furthermore, no USB 2.0 connection could ever come close to the 480Mbps theoretical maximum throughput, making data transfer at around 320 Mbps (40 MB/s) — the actual real-world maximum.
  • Page 22: Media Card Readers

    Alternate Mode USB Type-C is a new connector standard that is very small. It is about a third the size of an old USB Type-A plug. This is a single connector standard that every device should be able to use. USB Type-C ports can support a variety of different protocols using “alternate modes,”...
  • Page 23: Downloading Windows Drivers

    Downloading Windows drivers Steps 1. Turn on the laptop. 2. Go to Dell.support.com. 3. Click Product Support, enter the Service Tag, 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.
  • Page 24: Chapter 3: Major Components Of Your System

    Major components of your system...
  • Page 25 Major components of your system Major components of your system...
  • Page 26 1. Back cover 2. Dc-in 3. Memory 4. System board 5. Solid state drive (SSD) 6. Coin cell 7. Battery 8. Speakers 9. Touchpad 10. Touchpad bracket 11. LCD 12. Hinge cover 13. Hinge 14. I/O board 15. WLAN 16. System fan 17.
  • Page 27: Chapter 4: Disassembly And Reassembly

    Disassembly and reassembly NOTE: The images in this document may differ from your computer depending on the configuration you ordered. Topics: • Base cover • Battery • Memory modules • Solid state drive • Coin-cell battery • WLAN card • Speakers •...
  • Page 28 Disassembly and reassembly...
  • Page 29: Installing The Base Cover

    Steps 1. Remove the seven M2.5x5 and three M2x2 screws that secure the base cover to the laptop. 2. Pry the base cover starting from the recess at the hinge area and work your way around. 3. Lift the base cover away from the laptop. Installing the base cover Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.
  • Page 30 Disassembly and reassembly...
  • Page 31: Battery

    Steps 1. Place the base cover on the palmrest and keyboard assembly, and snap the base cover into place. 2. Replace the seven M2.5x5 and three M2x2 screws to secure the base cover to the laptop. Next steps 1. Follow the procedure in After working inside your computer.
  • Page 32: Installing The Battery

    Steps 1. Peel off the adhesive tape and release the battery cable from the latch. 2. Remove the four (M2x3) screws that secure the battery. 3. Lift the battery off the laptop. Installing the battery Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The figure indicates the location of the battery and provides a visual representation of the installation procedure.
  • Page 33: Memory Modules

    Next steps 1. Install the base cover. 2. Follow the procedure in After working inside your computer. Memory modules Removing the memory modules Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the base cover. 3. Disconnect the battery cable.
  • Page 34: Installing The Memory Modules

    Steps 1. Peel the adhesive tape, above the memory module, to a 90-degree angle. 2. Using your finger tips gently pry the retention clips away from the memory module until the memory module pops up. 3. Slide and remove the memory module from the memory module slot on the system board. Installing the memory modules Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.
  • Page 35: Solid State Drive

    NOTE: If you do not hear the click, remove the memory module and reinstall it. Next steps 1. Connect the battery cable. 2. Install the base cover. 3. Follow the procedure in After working inside your computer. Solid state drive Removing the M.2 2230 solid-state drive Prerequisites 1.
  • Page 36: Installing M.2 2230 Solid-State Drive

    4. Remove the M.2 2230 SSD. About this task The figure indicates the location of the SSD support bracket and provides a visual representation of the replace procedure. Steps 1. Slide and remove the SSD support bracket from the support bracket slot. 2.
  • Page 37: Coin-Cell Battery

    Steps 1. Align and slide the solid-state drive into the slot. 2. Replace the single (M2x3) screw to secure the solid-state drive module to the palmrest and keyboard assembly. Next steps 1. Connect the battery cable. 2. Install the base cover.
  • Page 38: Installing The Coin-Cell Battery

    Steps 1. Disconnect the coin-cell battery cable from the system board. 2. Remove the coin-cell battery cable from the routing guide. 3. Peel the coin-cell battery off the palmrest assembly as the coin-cell is affixed to the board with an adhesive. Installing the coin-cell battery Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.
  • Page 39: Wlan Card

    Steps 1. Re-adhere the coin-cell battery to the slot on the palmrest assembly. 2. Route the coin-cell battery cable through the routing guide. 3. Connect the coin-cell battery cable to the system board. Next steps 1. Connect the battery cable. 2.
  • Page 40: Installing The Wlan Card

    Steps 1. Remove the single (M2x3) screw that secures the WLAN bracket to the computer. 2. Remove the WLAN bracket. 3. Disconnect the WLAN antenna cables from the WLAN module. 4. Slide and remove the WLAN card from the WLAN card slot. Installing the WLAN card Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.
  • Page 41: Speakers

    Next steps 1. Connect the battery cable. 2. Install the base cover. 3. Follow the procedure in After working inside your computer. Speakers Removing the speakers Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the base cover.
  • Page 42: Installing The Speakers

    Steps 1. Locate the speakers on your computer. 2. Disconnect the speaker cable from the connector on the system board. 3. Peel the adhesive tape that secures the speaker cable. 4. Unroute the speaker cables from the retention clips on the computer. 5.
  • Page 43: Heatsink Assembly

    3. Connect the speaker cable to the connector on the system board. 4. Route the speaker cables through the retention clips on your computer. 5. Adhere the adhesive tape to secure the speaker cable. Next steps 1. Connect the battery cable.
  • Page 44: Installing The Heatsink Assembly

    Installing the heatsink assembly Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The figure indicates the location of the heatsink and provides a visual representation of the installation procedure. Steps 1.
  • Page 45: Installing The System Fan

    About this task The figure indicates the location of the system fan and provides a visual representation of the removal procedure. Steps 1. Locate the system fan on your computer. 2. Unroute the cable and release the wireless cable. 3. Disconnect the system fan cable from the connector on the system board. 4.
  • Page 46 Steps 1. Locate the system fan slot on your computer. 2. Align and place the system fan into the slot on the palmrest assembly. 3. Replace the two (M2x3) screws to secure the system fan to the palmrest assembly. 4. Connect the system fan cable to the connector on the system board. 5.
  • Page 47: I/O Board

    I/O board Removing the input and output board Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the base cover. 3. Remove the battery. About this task The figure indicates the location of the input and output board and provides a visual representation of the removal procedure. Steps 1.
  • Page 48: Installing The Input And Output Board

    5. Lift the I/O board out of the computer. Installing the input and output board Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The figure indicates the location of the input and output board and provides a visual representation of the installation procedure. Steps 1.
  • Page 49: Dc-In Port

    Next steps 1. Install the battery. 2. Install the base cover. 3. Follow the procedure in After working inside your computer. DC-in port Removing the DC-in Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the base cover.
  • Page 50: Installing The Dc-In

    Steps 1. Locate the DC-in port on your computer. 2. Remove the single (M2x3) screw and lift metal bracket covering the display connector. 3. Remove the three (M2.5x5) screws and lift the hinge. 4. Disconnect the DC-in cable from the computer and remove the single (M2x3) screw. 5.
  • Page 51: World Facing Camera

    3. Install the three (M2.5x5) screws and fix the DC-in metal bracket. 4. Install the (M2x3) screw and fix the metal bracket covering the display connector. Next steps 1. Install the battery. 2. Install the base cover. 3. Follow the procedure in After working inside your computer.
  • Page 52: Installing The World-Facing Camera

    Installing the world-facing camera Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The figure indicates the location of the world-facing camera on the plamrest and provides a visual representation of the removal procedure.
  • Page 53 6. Remove the WLAN card. 7. Remove the Heatsink. About this task The figure indicates the location of the system board and provides a visual representation of the removal procedure. Disassembly and reassembly...
  • Page 54: Installing The System Board

    Steps 1. Locate the system board on your computer. 2. Remove the single (M2x3) screw and lift metal bracket covering the display connector. 3. Remove the three (M2.5x5) screws and lift the hinge. 4. Peel off the adhesive tape and remove the touchscreen cable from the latch. Lift the ED cable and remove the display cable from the latch on the system board.
  • Page 55 About this task The figure indicates the location of the system board and provides a visual representation of the installation procedure. Disassembly and reassembly...
  • Page 56 Steps 1. Locate the system board slot on your computer. 2. Slide the ports on the system board into the slots on the palm-rest and keyboard assembly and align the screw holes on the system board with the screw holes on the palm-rest and keyboard assembly. 3.
  • Page 57: Display Assembly

    Display assembly Removing the display assembly Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the base cover. 3. Remove the battery. 4. Remove the WLAN card. About this task The figure indicates the location of the display assembly and provides a visual representation of the removal procedure. Disassembly and reassembly...
  • Page 58: Installing The Display Assembly

    Steps 1. Locate the display hinges on your computer. 2. Remove the six (M2.5x5) screws that secure the display hinges to the chassis of your computer. 3. Open the display hinges at an angle of 90 degrees and slightly open the display. 4.
  • Page 59 Disassembly and reassembly...
  • Page 60: Camera Microphone Module

    Steps 1. Place the display assembly on a clean and flat surface. 2. Align and place the palmrest and keyboard assembly on the display assembly. 3. Using the alignment posts, close the display hinges. 4. Connect the display cable to the system board and adhere the tape to secure the display cable. 5.
  • Page 61: Installing The Camera-Microphone Module

    About this task The figure indicates the location of the camera and microphone module and provides a visual representation of the removal procedure. Steps 1. Disconnect the EDP cable from the microphone-camera module. 2. Lift the camera-microphone module from the display assembly. Installing the camera-microphone module Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.
  • Page 62: Lcd Panel

    Steps 1. Align and place the camera-microphone module on the LCD back cover assembly. 2. Connect the EDP cable to the camera-microphone module. Next steps 1. Install the Display assembly 2. Follow the procedure in After working inside your computer. LCD panel Removing the LCD panel Prerequisites...
  • Page 63: Installing The Lcd Panel

    NOTE: When replacing the display panel, ensure that the hooks on the top of the display panel assembly are inserted prior before snapping the sides of the assembly in place. Steps 1. Use a plastic scribe to pry from the recess at the hinge area. 2.
  • Page 64 Steps 1. Align the LCD panel to the back cover. 2. Angle the hinges and install the hinges on the back cover. NOTE: Ensure that the hooks on the top of the display panel assembly are inserted prior before snapping the sides of the assembly in place.
  • Page 65: Display Hinges

    Display hinges Removing the display hinges Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the Display assembly. About this task The figure indicates the location of the display hinges and provides a visual representation of the removal procedure. Steps 1.
  • Page 66: Edp Cable

    Steps 1. Angle the hinges and install the hinges on the LCD back cover. 2. Install the six (M2.5x2.5) screws to secure the hinges to the LCD back cover. Next steps 1. Install the Display assembly 2. Follow the procedure in After working inside your computer.
  • Page 67: Installing The Edp Cable

    Steps 1. Peel off the tape securing the eDP cable to the back cover and remove the metal foil. 2. Un-route the eDP cable tucked along the back cover and remove the eDP cable from the computer. Installing the eDP cable Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.
  • Page 68: Plamrest

    Steps 1. Route the eDP cable along the edges of the LCD back cover. 2. Stick the tape securing the eDP cable to the back cover and install the metal foil to secure the eDP cable to the LCD back cover.
  • Page 69 1. Follow the procedure in Before working inside your computer. 2. Remove the base cover. 3. Remove the battery. 4. Remove the memory. 5. Remove the Solid state drive 6. Remove the WLAN card. 7. Remove the Heatsink. 8. Remove the system board.
  • Page 70 About this task Disassembly and reassembly...
  • Page 71 Next steps 1. Install the panel. 2. Install the display assembly. 3. Install the hinges. 4. Install the system board. 5. Install the Heatsink. 6. Install the WLAN card. 7. Install the Solid state drive. 8. Install the memory. 9. Install the battery. 10.
  • Page 72: 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 73: Dell Supportassist Pre-Boot System Performance Check Diagnostics

    Check diagnostics About this task SupportAssist diagnostics (also known as system diagnostics) performs a complete check of your hardware. The Dell SupportAssist Pre-boot System Performance Check diagnostics is embedded with the BIOS and is launched by the BIOS internally. The embedded system diagnostics provides a set of options for particular devices or device groups allowing you to: ●...
  • Page 74: Built-In Self-Test (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 75: Diagnostic Leds

    7. Carefully inspect the screen for abnormalities (any lines, fuzzy color or distortion on the screen). 8. At the end of the last solid color (red), the system will shut down. NOTE: Dell SupportAssist Pre-boot diagnostics upon launch, initiates an LCD BIST first, expecting a user intervention confirm functionality of the LCD. Diagnostic LEDs Instead of beep codes, errors are indicated via the bicolor Battery Charge/Status LED.
  • Page 76: 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 77 5. Press and hold the power button for 20 seconds to drain the flea power. 6. Install the battery. 7. Install the base cover. 8. Connect the power adapter to your computer. 9. Turn on your computer. NOTE: For more information about performing a hard reset, see the knowledge base article 000130881 www.dell.com/support. Troubleshooting...
  • Page 78 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 11. Self-help resources Self-help resources Resource location Information about Dell products and services www.dell.com Dell Help and Support app...

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