Dell Inspiron 3500 System Reference Manual page 101

DC/DC Board Removal: Dell™ Inspiron™ 3500 Portable Computer
Type of Screw Torque
FPH 2.5 x 14 (1) 3.0–3.5 kgf-cm
To remove the DC/DC board, see the exploded view of the
1. Remove the display assembly.
2. Remove the keyboard.
3. Remove the palmrest assembly.
4. Remove the system board rails.
5. Remove the 14-mm screw.
6. Gently lift the DC/DC board off of the connector on the system board.
When you install the board, put pressure only on the areas where the connectors on the DC/DC board and on the system board fit together. Pressing on other areas
may flex the board and break connections.
base assembly and perform the following steps: