Dell Vostro 3490 Service Manual

Installing the system board

Steps

  1. Connect the VGA daughterboard cable to the system board [1].
  2. Flip and place the system board on the palmrest and keyboard assembly [2].
    Image: Replacing the system board
  3. Align the screw hole on the system board with the screw hole on the palmrest and keyboard assembly [1].
  4. Replace the single (M2x4) screw that secures the system board to the palmrest and keyboard assembly [2].
    Image: Replacing the system board
  5. Connect the following cables to the system board:
    1. Speaker cable [1].
    2. Keyboard cable [2].
    3. Touchpad cable [3].
    4. IO board cable [4].
    5. Power cable [5].
    6. Power adapter port cable [6].
      Image: Replacing the system board

Next steps

  1. Replace the power button board
  2. Replace the display assembly
  3. Replace the heatsink
  4. Replace the system fan
  5. Replace the hard drive assembly
  6. Replace the SSD
  7. Replace the WLAN
  8. Replace the battery
  9. Replace the base cover
  10. Replace the SD memory card
  11. Follow the procedure in after working inside your computer

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