2. Remove the heat sink (2).
3. Thoroughly clean the thermal material from the surfaces of the heat sink and the system board 
components each time the heat sink is removed. Replacement thermal material is included with 
the heat sink and system board spare part kits. The following illustrations show the replacement 
thermal material locations.
Thermal paste is used on the processor (1) and on the heat sink area (2) that services the 
processor.
To replace the heat sink, reverse the removal procedures.
Touchpad cable
To remove the touchpad cable, use this procedure and illustration.
Table 5-14
Touchpad description and part number
Description Spare part number
Touchpad cable (includes double-sided adhesive) N91027-001
58 Chapter 5  Removal and replacement procedures for authorized service provider parts