Dell Inspiron 3500 - Manual (Page 114)

Processor Module Assembly Removal: Dell™ Inspiron™ 3500 Portable Computer
You can remove the processor module assembly without removing the palmrest. To remove the processor module assembly, see the exploded view of the base
assembly and perform the following steps:
1. Remove the keyboard .
2. Remove the heat-sink fin cover .
3. Remove the two 14-mm screws securing the processor module assembly to the system board.
4. Lift the processor module assembly off of connector U14 on the system board.
Lift from the outside first.
5. To disassemble the processor module assembly, slide the top plate free of the interlock tabs.
The assembly separates into upper and lower plates and reveals the processor module.
6. Remove and replace the thermal pads only if needed.
The pink pad covers the BX chip and the gray pad covers the processor chip.
When you install the processor module assembly, put pressure only on the areas where the connectors on the processor module assembly and on the system board fit
together. Pressing on other areas may break pins or connections.
Type of Screw Torque
PNH 2 x 14 (2) 1.5–1.8 kgf-cm