Dell Inspiron 3500 System Reference Manual page 104

Fan Cover and Fan Removal: Dell™ Inspiron™ 3500 Portable Computer
Type of Screw Torque
FPH 2.5 x 5 (1) 3.0–3.5 kgf-cm
You can remove the fan cover and fan without removing the palmrest. To remove the fan cover and fan, see the exploded view of the
following steps:
1. Remove the display assembly.
2. Remove the keyboard.
3. Remove the heat-sink fin cover.
4. Remove the 5-mm screw securing the fan cover.
5. Remove the fan cover.
6. Disconnect the fan cable from connector J6 on the system board.
7. Remove the fan.
NOTE: Note the positioning of the fan and the routing of the fan cable carefully so that you can duplicate it during installation. An arrow on the top of
the fan indicates that the flow of air is from the outside of the computer in to the board.
base assembly and perform the