Dell Vostro 3405 Service Manual
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Dell Vostro 3405 Service Manual

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Vostro 3405
Service Manual
1
Regulatory Model: P132G
Regulatory Type: P132G002
August 2020
Rev. A00

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Summary of Contents for Dell Vostro 3405

  • Page 1 Vostro 3405 Service Manual Regulatory Model: P132G Regulatory Type: P132G002 August 2020 Rev. A00...
  • 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 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 4: Table Of Contents

    Contents Chapter 1: Working on your computer................... 6 Safety instructions................................6 Working inside your computer............................ 6 Safety precautions................................ 9 After working inside your computer..........................9 Chapter 2: Exploded View......................10 Chapter 3: Disassembly and reassembly..................13 Secure Digital Card................................13 Removing the Secure Digital card..........................13 Installing the Secure Digital card..........................
  • Page 5 Removing the palm-rest and keyboard assembly....................67 Installing the palm-rest and keyboard assembly....................68 Chapter 4: Troubleshooting......................69 Enhanced Pre-Boot System Assessment (ePSA) diagnostics................69 Running SupportAssist diagnostics.........................69 System diagnostic lights..............................70 WiFi power cycle................................71 Chapter 5: Getting help....................... 72 Contacting Dell...................................72 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 ESD protection is an increasing concern. Due to the increased density of semiconductors used in recent Dell products, the sensitivity to static damage is now higher than in previous Dell products. For this reason, some previously approved methods of handling parts are no longer applicable.
  • Page 8 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 9: Safety Precautions

    Standby power Dell products with standby power must be unplugged before you open the case. Systems that incorporate standby power are essentially powered while turned off. The internal power enables the system to be remotely turned on (wake on LAN) and suspended into a sleep mode and has other advanced power management features.

  • Page 10: Chapter 2: Exploded View

    Exploded View...
  • Page 11 Exploded View Exploded View...
  • Page 12 18. Heatsink assembly 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 13: Chapter 3: Disassembly And Reassembly

    Disassembly and reassembly Topics: • Secure Digital Card • Base cover • Battery • Solid-state drive • Wireless card • I/O board • Coin-cell battery • Hard drive • Memory modules • Speakers • Heat sink • • Power button •...

  • Page 14: Installing The Secure Digital Card

    About this task Steps 1. Push the secure digital card to release it from the computer. 2. Slide the secure digital card out of the computer. Installing the Secure Digital card Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. Disassembly and reassembly...

  • Page 15: Base Cover

    About this task Steps Slide the secure digital into the slot until it clicks into place. Next steps 1. Follow the procedure in after working inside your computer Base cover Removing the base cover Prerequisites 1. Follow the procedure in Before working inside your computer.
  • Page 16 About this task NOTE: Before removing the base cover, ensure that there is no SD card installed in the SD card slot on your computer. The following images indicate the location of the base cover and provides a visual representation of the removal procedure. Disassembly and reassembly...
  • Page 17 Disassembly and reassembly...

  • Page 18: Installing The Base Cover

    Steps 1. Remove the seven screws (M2.5x5) that secure the base cover to the palm-rest and keyboard assembly. 2. Loosen the two captive screws. 3. Using a plastic scribe, pry the base cover from the bottom left and continue to work on the sides to open the base cover. 4.
  • Page 19 Disassembly and reassembly...

  • Page 20: Battery

    Steps 1. Connect the battery cable to the connector on the system board. 2. Place and snap the base cover into place on the palm-rest and keyboard assembly. 3. Tighten the two captive screws on the base cover. 4. Replace the seven screws (M2.5x5) that secure the base cover to the palm-rest and keyboard assembly. Next steps 1.

  • Page 21: Removing The 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 22 About this task The following images indicate the location of the battery and provides a visual representation of the installation procedure. Steps 1. Place the battery on the palm-rest and keyboard assembly. NOTE: When installing the battery into the system, insert the tab at the bottom left corner of the battery into the hook on the bottom side of the palm rest.

  • Page 23: Solid-State Drive

    Solid-state drive Removing the M.2 2230 solid-state drive Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the card. 3. Remove the base cover. 4. Disconnect the battery. About this task NOTE: This procedure applies only to computers shipped with an M.2 2230 solid-state drive installed. NOTE: The M.2 card installed on your computer will depend on the configuration ordered.

  • Page 24: Installing The M.2 2230 Solid-State Drive

    Installing the M.2 2230 solid-state drive Prerequisites If you are replacing a component, remove the existing component before performing the installation process. About this task NOTE: This procedure applies if you are installing a M.2 2230 solid-state drive. NOTE: The M.2 card installed on your computer will depend on the configuration ordered. Supported card configurations on the M.2 card slot: ●...

  • Page 25: Removing The M.2 2280 Solid-State Drive

    Removing the M.2 2280 solid-state drive Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the card. 3. Remove the base cover. 4. Disconnect the battery. About this task NOTE: This procedure applies only to computers shipped with a M.2 2280 solid-state drive installed. NOTE: The M.2 card installed on your computer will depend on the configuration ordered.

  • Page 26: Installing The M.2 2280 Solid-State Drive

    Installing the M.2 2280 solid-state drive Prerequisites If you are replacing a component, remove the existing component before performing the installation process. About this task NOTE: This procedure applies if you are installing a M.2 2280 solid-state drive. NOTE: The M.2 card installed on your computer will depend on the configuration ordered. Supported card configurations on the M.2 card slot: ●...

  • Page 27: Wireless Card

    4. Follow the procedure in After working inside your computer. Wireless card Removing the wireless card Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the card. 3. Remove the base cover. 4. Disconnect the battery. About this task The following images indicate the location of the wireless card and provides a visual representation of the removal procedure.

  • Page 28: Installing The Wireless Card

    Installing the wireless card Prerequisites If you are replacing a component, remove the existing component before performing the installation process. About this task The following images indicate the location of the wireless card and provides a visual representation of the installation procedure. Steps 1.

  • Page 29: I/O Board

    Next steps 1. Reconnect the battery. 2. Install the base cover. 3. Install the card. 4. Follow the procedure in After working inside your computer. I/O board Removing the I/O board Prerequisites 1. Follow the procedure in Before working inside your computer.

  • Page 30: Installing The Io Board

    4. Open the latch and disconnect the I/O-board cable from the I/O board. 5. Remove the four screws (M2x4) that secure the I/O board to the palm-rest and keyboard assembly. 6. Lift the I/O board off the palm-rest and keyboard assembly. Installing the IO board Prerequisites If you are replacing a component, remove the existing component before performing the installation process.

  • Page 31: Coin-Cell Battery

    2. Install the base cover. 3. Reconnect the card. 4. Follow the procedure in After working inside your computer. Coin-cell battery Removing the coin-cell battery Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the card. 3.

  • Page 32: Hard Drive

    About this task The following images indicate the location of the coin-cell battery and provides a visual representation of the installation procedure. Steps 1. Place the coin-cell battery into the coin-cell battery holder on the I/O board with the plus sign facing up. 2.

  • Page 33: Installing The Hard Drive

    Steps 1. Disconnect the hard-drive cable from the system board. 2. Remove the four screws (M2x4) that secure the hard-drive assembly to the palm-rest and keyboard assembly. 3. Lift the hard-drive assembly and its cable from the palm-rest and keyboard assembly. 4.
  • Page 34 Steps 1. Place and slide the hard drive into the hard-drive bracket. 2. Align the screw holes on the hard-drive bracket with the screw holes on the hard drive. 3. Replace the four screws (M3x3) that secure the hard-drive bracket to the hard drive. 4.

  • Page 35: Memory Modules

    Memory modules Removing the memory modules Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the card. 3. Remove the base cover. 4. Disconnect the battery. About this task The following images indicate the location of the memory modules and provides a visual representation of the removal procedure.

  • Page 36: Speakers

    Steps 1. Align the slot on the memory module with the notch on the memory module slot on the system board. 2. Slide the memory module into the slot on the system board. 3. Press down on the memory module to snap it into place. 4.

  • Page 37: Installing The Speakers

    About this task The following images indicate the location of the speakers and provides a visual representation of the removal procedure. Steps 1. Disconnect the speaker cable from the system board. 2. Remove the speaker cable from the routing guides on the palm-rest and keyboard assembly. 3.

  • Page 38: Heat Sink

    Steps 1. Using the alignment posts, place the speakers on the palm-rest and keyboard assembly. NOTE: Ensure that the alignment posts are threaded through the rubber grommets on the speaker. 2. Route the speaker cable through the routing guides on the palm-rest and keyboard assembly. 3.

  • Page 39: Installing The Heat Sink

    The following images indicate the location of the heat sink and provides a visual representation of the removal procedure. Steps 1. In reverse sequential order (4>3>2>1) loosen the four captive screws that secure the heat sink to the system board. NOTE: The number of screws varies depending on the configuration ordered.

  • Page 40: Fan

    Steps 1. Place the heat sink on the system board. 2. In sequential order (1>2>3>4) tighten the four captive screws that secure the heat sink to the system board. NOTE: The number of screws varies depending on the configuration ordered. Next steps 1.

  • Page 41: Installing The Fan

    Steps 1. Remove the two screws (M2.5x5) that secure the fan to the palm-rest and keyboard assembly. 2. Disconnect the fan cable from the system board. 3. Lift the fan from the palm-rest and keyboard assembly. Installing the fan Prerequisites If you are replacing a component, remove the existing component before performing the installation process.

  • Page 42: Power Button

    Steps 1. Place the fan on the palm-rest and keyboard assembly. 2. Align the screw holes on the fan to the screw holes on the palm-rest and keyboard assembly. 3. Replace the two screws (M2.5x5) that secure the fan to the palm-rest and keyboard assembly. 4.

  • Page 43: Installing The Power Button

    Steps 1. Remove the two screws (M2x2) that secure the power-button with optional fingerprint reader to the palm-rest and keyboard assembly. 2. Open the latch and disconnect the power-button cable from the fingerprint-reader board, if applicable. 3. Peel the tape that secures the power-button cable to the palm-rest and keyboard assembly, if applicable. 4.

  • Page 44: Display Assembly

    Steps 1. Using the alignment posts, place the power-button into its slot on the palm-rest and keyboard assembly. 2. Replace the two screws (M2x2) that secure the power-button to the palm-rest and keyboard assembly. 3. Connect the power-button cable to the fingerprint-reader board and close the latch, if applicable. 4.
  • Page 45 Disassembly and reassembly...

  • Page 46: Installing The Display Assembly

    Steps 1. Disconnect the display cable from the system board. 2. Remove the display cable from the routing guides on the palm-rest and keyboard assembly. 3. Open the display and place the computer with the lid open at the edge of a stable elevation with the display hanging downwards.

  • Page 47: Display Bezel

    Steps 1. Place the display assembly on the palm-rest and keyboard assembly. 2. Align the screw holes on the display hinges with the screw holes on the palm-rest and keyboard assembly. 3. Replace the 6 screws (M2.5x5) that secure the display hinges to the palm-rest and keyboard assembly. 4.
  • Page 48 About this task Steps 1. Pry open the display bezel from the inner edge at the left and right sides of the display assembly. 2. Pry open the display bezel from the inner edge at the top side of the display assembly. 3.

  • Page 49: Installing The Display Bezel

    Installing the display bezel Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. Disassembly and reassembly...

  • Page 50: Display Panel

    About this task Steps Align the display bezel with the display back-cover and antenna assembly, and then gently snap the display bezel into place. Next steps 1. Install the display assembly. 2. Reconnect the battery. 3. Install the base cover. 4.
  • Page 51 Disassembly and reassembly...

  • Page 52: Installing The Display Panel

    Steps 1. Remove the six screws (M2.5x2.5) that secure the display panel to the display assembly. 2. Lift and rotate the display panel forward. NOTE: Ensure that the display panel has a smooth and clean surface to rest on to prevent damage. 3.
  • Page 53 Disassembly and reassembly...
  • Page 54 Steps 1. Place the display panel and display assembly on a clean and flat surface. 2. Connect the display cable to the connector on the display panel and close the latch. 3. Adhere the tape that secures the display-cable connector latch to the display panel. Disassembly and reassembly...

  • Page 55: Camera

    4. Lift and rotate the display panel, then place the display panel on the display assembly. 5. Align the screw holes on the display panel to the screw holes on the display assembly. 6. Replace the six screws (M2.5x2.5) that secure the display panel to the display assembly. 7.

  • Page 56: Installing The Camera Module

    Steps 1. Using the pull tab, disconnect the camera cable from the camera module. 2. Using a plastic scribe, pry the camera module from the display assembly. 3. Lift the camera off the display assembly. Installing the camera module Prerequisites If you are replacing a component, remove the existing component before performing the installation process.

  • Page 57: Touchpad

    Steps 1. Adhere the camera module in its slot on the display assembly. 2. Connect the camera cable to the camera module. Next steps 1. Install the display bezel. 2. Install the display panel. 3. Install the display assembly. 4. Install the wireless card.

  • Page 58: Installing The Touchpad

    Steps 1. Open the latch and disconnect the touchpad cable from the touchpad. 2. Remove the three screws (M2x2) that secure the touchpad bracket to the palm-rest and keyboard assembly. 3. Lift the touchpad bracket off the touchpad. 4. Remove the two screws (M2x2) that secure the touchpad to the palm-rest and keyboard assembly. 5.
  • Page 59 7. Place the touchpad bracket on the touchpad. NOTE: When installing the touchpad bracket into Vostro 3405, insert its top corners under the two tabs on the palm rest. 8. Align the screw holes on the touchpad bracket to the screw holes on the palm-rest and keyboard assembly.

  • Page 60: System Board

    Next steps 1. Install the battery. 2. Install the base cover. 3. Install the card. 4. Follow the procedure in After working inside your computer. System board Removing the system board Prerequisites 1. Follow the procedure in Before working inside your computer.
  • Page 61 Disassembly and reassembly...

  • Page 62: Installing The System Board

    Steps 1. Remove the two (M2.5x5) screws from the right hinge. 2. Fold the right hinge up. 3. Disconnect the following cables from the system board: a. Speaker cable b. Keyboard FFC c. Power adapter port cable d. Keyboard backlight FFC e.
  • Page 63 Disassembly and reassembly...
  • Page 64 Steps 1. Align and place the system board on the palmrest. 2. Replace the single (M2x4) screw that secures the system board to the palmrest. 3. Connect the following cables to the system board: a. Speaker cable b. Keyboard FFC c.

  • Page 65: Power-Adapter Port

    11. Follow the procedure in After working inside your computer. Power-adapter port Removing the power-adapter port Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the card. 3. Remove the base cover. 4. Remove the battery. 5.

  • Page 66: Installing The Power-Adapter Port

    Installing the power-adapter port Prerequisites If you are replacing a component, remove the existing component before performing the installation process. About this task The following images indicate the location of the power-adapter port and provides a visual representation of the installation procedure.

  • Page 67: Palm-Rest And Keyboard Assembly

    Palm-rest and keyboard assembly Removing the palm-rest and keyboard assembly Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the card. 3. Remove the base cover. 4. Remove the battery. 5. Remove the M.2 2230 solid-state drive.

  • Page 68: Installing The Palm-Rest And Keyboard Assembly

    Installing the palm-rest and keyboard assembly Prerequisites If you are replacing a component, remove the existing component before performing the installation process. About this task The following images indicate the location of the palm-rest and keyboard assembly and provides a visual representation of the installation procedure.

  • Page 69: Chapter 4: Troubleshooting

    Running SupportAssist diagnostics 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 70: System Diagnostic Lights

    SupportAssist opens the basic screen on start. You can switch to the advanced screen using the icon at the bottom left of the screen. The advanced screen shows detected devices in a tiled format. Specific tests can be included or excluded only in the advanced mode.

  • Page 71: Wifi Power Cycle

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

  • Page 72: Chapter 5: Getting Help

    About this task Dell provides several online and telephone-based support and service 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: Steps 1.

This manual is also suitable for:

P132g

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