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Dell Precision 3520 Owner's Manual

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Removing the chassis frame

  1. Follow the procedure in Before working inside your computer .
  2. Remove the:
    1. SIM card module

    2. base cover

    3. battery

    4. WLAN card

    5. WWAN card

    6. SSD card or hard drive
  3. To release the chassis frame:
    1. Release the WLAN and WWAN cables from the routing channels [1].
    2. Disconnect the speaker cable from the connector on the system board [2].
    3. Lift the latch and disconnect the keyboard cable, touchpad cable and pointstick cable from the connector [ 3, 4, 5, 6].
    To release chassis frame
  4. To remove the chassis frame:
    1. Remove the screws (M2.0x3.0, M2x5) that secure the chassis frame to the computer [1].
    2. Lift the chassis frame away from the computer [2].
    Removing chassis frame

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