Dell Latitude E7240 Owner's Manual

Removing the System Board

  1. Follow the procedures in Before Working Inside Your Computer .
  2. Remove:
    1. SD card
    2. battery
    3. base cover
    4. mSATA
    5. keyboard trim
    6. keyboard
    7. palmrest
    8. speaker
    9. display-hinge cover
    10. display assembly
    11. system fan
    12. heat sink
    13. I/O cable
  3. Perform the following steps as shown in the illustration:
    1. Lift the I/O latch [1].
    2. Remove the I/O cable from the system board [2].
    3. Disconnect the I/O cable from system board[3].
    4. Disconnect the speaker cable from the system board.
    5. Remove the screws that secure the system board to the computer.
    Figure displays removal of screws and disconnect of cables from the system board.
  4. Perform the following steps as shown in the illustration:
    1. Lift the left edge of system board partially to a 45-degree angle [1].
    2. Remove the system board from the computer [2].
    Figure displays removal of system board from the computer.

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