Dell Latitude 7230 Service Manual page 25

Steps
NOTE: For models shipped with an M.2 SSD door, do not remove the M.2 SSD door in order to remove the back-cover
assembly.
1. Place the tablet on a flat and clean surface.
2. Remove the two screws (M2x3) and 19 screws (M2.5x8—Torx 8) that secure the base-cover assembly in place.
3. Using a plastic scribe, pry the back-cover assembly from its bottom side.
4. Carefully lift the bottom side of the base-cover assembly and open it 45° angle.
CAUTION: Do not open the back-cover assembly beyond 90° angle as it damages the battery cable. The
battery cable must be disconnected in order to remove the back-cover assembly.
5. Disconnect the battery cable from the connector on the system board.
6. Flip over the back-cover assembly and place it on a flat surface.
7. Remove the single screw (M2x5) that secures the power-button daughter board FPC to the system board.
CAUTION: Do not pull the back-cover assembly away from the tablet while the power-button daughter board
FPC is still connected to the system board.
8. Disconnect the power-button daughter board FPC from the connector system board.
Removing and installing components 25