Dell Inspiron 3500 - Manual (Page 115)

System Board Removal: Dell™ Inspiron™ 3500 Portable Computer
To remove the system board, see the exploded view of the base assembly and perform the following steps:
1. Remove the display assembly .
2. Remove the keyboard .
3. Remove the infrared board , LVDS board , heat-sink fin cover , processor module assembly , fan cover and fan , modem card (if present), and video board .
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.
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