Dell Vostro 5620 Service Manual page 40

Steps
1. Remove the three screws (M2.5x5) that secure the right-display hinge of the display assembly to the system board.
2. Open the right-display hinge at an angle of 90 degrees.
3. Remove the three screws (M2x5) that secure the RJ-45 Network Port assembly to the I/O board.
4. Lift the RJ-45 Network Port assembly off the I/O board.
5. Peel the clear adhesive tape and lift the latch of the I/O-board cable.
6. Disconnect the I/O board cable from the I/O board.
7. Disconnect the coin-cell battery cable from the I/O board.
8. Lift the fingerprint-reader cable connector latch and disconnect the optional fingerprint-reader cable from the I/O board.
9. Remove the screw (M2x3) that secures the I/O board to the palm-rest and keyboard assembly.
10. Lift the I/O board off the palm-rest and keyboard assembly.
40 Removing and installing components