Dell Inspiron 3500 System Reference Manual page 115

System Board Removal: Dell™ Inspiron™ 3500 Portable Computer
Type of Screw Torque
FPH 2.5 x 5 (1) 3.0–3.5 kgf-cm
FPH 2.5 x 14 (1) 3.0–3.5 kgf-cm
To remove the system board, see the exploded view of the
1. Remove the display assembly.
2. Remove the keyboard.
3. Remove the infrared board, LVDS
4. Removed the palmrest assembly.
5. Remove the system board rails.
6. Remove the DC/DC board.
7. Disconnect the speaker cables.
8. Remove the heat-sink fin.
9. Remove the 5-mm screw from the upper right corner of the system board.
10. Remove the system board retaining clip that was held in place by this screw.
11. Remove the 14-mm screw used for grounding on the lower left corner of the system board.
12. Remove the system board by lifting up the back of the board/EMI pan so that it clears all of the bottom plastic, and then pulling back to free the I/O connectors
from the bottom plastic. The EMI shield is still attached to the system board.
base assembly and perform the following steps:
board, heat-sink fin cover, processor module assembly, fan cover and fan, modem card (if present), and video board.