Dell Vostro 3490 Service Manual

Removing the system board

Prerequisites

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

Steps

  1. Disconnect the following cables from the system board:
    1. Power adapter port cable [1].
    2. Power cable [2].
    3. IO board cable [3].
    4. Touchpad cable [4].
    5. Keyboard cable [5].
    6. Speaker cable [6].
      Image: Removing the system board
  2. Remove the single (M2x4) screw that secures the system board to the palmrest and keyboard assembly [1].
  3. Flip the system board off the palmrest and keyboard assembly [2].
    Image: Removing the system board
  4. Disconnect the VGA daughterboard cable from the system board [1].
  5. Lift the system board off the palm-rest and keyboard assembly [2].
    Image: Removing the system board

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